What to do when you can't format SD card

2021 is nearing toward the end and with just a couple of days remaining in this year, we are happy to look forward to the next year. So in large anticipation of what will next year bring us, we are taking a good design look at this one and making a list for you of what graphic design software you should learn and use in the upcoming 2022.

Before we dive into it in more detail and predictions please be aware that this article is based upon my personal opinion drawn from the research of current trends and standards. That being said let's dive right into details.

Adobe Photoshop

Whether you like it or not, Adobe has cemented itself with its flagship application Photoshop and how things are looking this situation will not change any time soon. Photoshop is an extraordinary pixel manipulation software that has the ability to work with both animations and vector graphics as well making it a great single application for all-around design needs. It has been industry-standard design software for the web, print, and all other kinds of design all over the globe and this will not change in near future. With its constant updates and expansion of its abilities, this is a must-have tool in your design tool belt. If you are looking to find work as a designer you will have to know how to work with photoshop.

Adobe illustrator

Many will tell you that is photoshop for raster graphics, the illustrator is for vectors. First started as illustrator 88 on Mac right away it took first place for vector graphics from FreeHand and it continued on its path of vector dominance. After some time and more integration with photoshop Adobe managed to overthrow Corel Draw as well winning the title for best vector editing software with illustrator. Same as with photoshop, if you are planning to work in a serious industry you will need to know the illustrator.

Adobe InDesign

We are still in Adobe train and it is moving hard, InDesign is graphic design software aimed for paper publications. If you need to create and prepare any kind of professional publication for printing InDesign is the application to go to. With its specific print aimed features it is a must-have for any graphic designer.

Corel Draw Graphic Suite

Once the king of vector and print design but dethroned by Adobe Corel Draw still has some punches to stay relevant in the field. With some cool features like symmetry and long shadows, it stands out from its competitors for its ease of use. Corel was always focused on easy to learn, and difficult to master and it is still following that kind of thinking. Granted not many employers will require you to be a master of Corel Draw but some of them will request that you are familiar with the application. One of perhaps the greatest advantages of Corel over Adobe is not locking you into a subscription making Draw suit a great choice for freelancers and designers that want to own software, not rent it.

Affinity Designer

The first software from Affinity was Photo, made as a cheap version one-time purchase competitor for photoshop. Later it has released Designer, also a one-time purchase competitor for illustrators. If we are going to take a good look into a feature for feature comparison, both Adobe and Corel will win over Affinity but if we take a look at a price that is a one-time purchase Affinity will win over easily. Priced only at $54.99 it is a steal, and taking into account that many designers will not require any very advanced features found in Corel or Adobe applications Affinity is the way to go.

Inkscape & GIMP

Speaking of price, nothing beats free, and both Inkscape and GIMP are completely free. offering very decent and competitive features applications will require you to get used to their own specific UI and workflow, but once you get a grasp of them, you will be able to do most design work in them. One of the downsides of using these free open source apps is their limited export options but if all that is required from you is to deliver a typical SVG, JPG, EPS, PNG, or PDF file you are good to go.

Colorcinch

Free with basic functionality with the option to purchase more advanced features Colorcinch is a great application if you are on quickly developing and creating graphics for social media posts. Add quickly text or filters, quickly do the color adjustment and save for social apps. The application also within its basic boundaries can work directly on the website without you requiring to even install it making it one of a kind. Go try it at the official site and enjoy yourself.

Conclusion

If you have followed the graphic design scene you will notice that nothing has changed and it will not change in near future. This just speaks about how much industry is defined and how little change is there over time. I advise if you can to get and learn adobe suite since it is industry standard and is required from almost every employer today. Rest applications on the list are great alternatives and can bring you income and offer you a way to finish your project.

Recently, a number of Windows 10 users getting an error on their computers that state, “Windows can’t find one of the files in this theme”. According to the affected users, this error occurs at random times even when they didn’t make any changes to their computer’s theme prior to getting the error. If you are one of these users, read on as this post will help you resolve this problem. If you click on the Yes button of the dialog box where the error is displayed, it won’t fix the problem as you will still get the same error from time to time. This kind of error could be caused by the executable file named “SettingSyncHost.exe”. It is possible that this executable file is unable to sync your theme all over your computer. On the other hand, it could also be due to some problems with the active theme. To resolve this issue, you can try to change the active theme, or disable the custom screensaver or disable theme syncing on your computer, as well as run a System File Checker or run the DISM tool. For more instructions, follow the options given below.

Option 1 – Try to change the active theme

The first thing you can do to fix the error is to change the active theme of your computer since the SettingSyncHost.exe file might not be able to properly sync the theme on the computer.

• Go to Settings and click on Personalization.
• Next, click on Themes and scroll down to apply a theme, and change the theme of the operating system.
• After that, tap the Win + R keys to open the Run dialog box and type “%windir%ResourcesThemes” in the field, and then tap Enter to open the folder where the theme files are located.
• Once you’re done, right-click and select delete for the active theme to remove the theme and its resources. This should fix the root cause of the problem. If not you can try to create a new Windows 10 theme and save it.

Option 2 – Try to disable the custom screensaver

The custom screensaver is a part of the mechanism of the lock screen. Although they were needed in the earlier Windows versions to prevent the discoloration of CRT monitor screens, they are no longer needed in the current version of Windows. Thus, you can try to disable it as it could be the one that’s causing the problem.

• Click on the Start button and go to Settings > Personalization > Lock screen.
• Here, scroll down and click on the Screen Saver settings.
• After that, select the “Screen saver to (None)” option from the drop-down menu. This will disable the custom screensaver.

Option 3 – Try to disable theme syncing on your computer

You could also try to disable the theme sync feature to fix the problem. This has worked out for some users. To do so, follow these steps:

• Click on the Start button and go to Settings > Account > Sync your settings.
• From there, toggle off Themes in the individual sync settings column. This will disable the Theme syncing.
• Restart your computer and see if the problem is now fixed.

Option 4 – Run the DISM tool

The next thing you can do is run the DISM tool. This tool is known to repair potentially corrupted files in your system as having them could also system issues like the “Windows can’t find one of the files in this theme” error. To repair these corrupted system files, you can run the DISM commands:

• Tap the Win + X keys and click on the “Command Prompt (Admin)” option.
• After that, input each one of the commands listed below sequentially to execute them:
  • Dism /Online /Cleanup-Image /CheckHealth
  • Dism /Online /Cleanup-Image /ScanHealth
  • Dism /Online /Cleanup-Image /RestoreHealth

• Once you’ve executed the commands given above, restart your computer and check if the problem is now fixed.

Option 5 – Run the System File Checker

System File Checker or SFC is a built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files to good system files that might be the cause why you’re getting the “Windows can’t find one of the files in this theme” error. To run the SFC command, follow the steps given below.

• Type “cmd” in the Start search and then right-click on the appropriate search result.
• Next, select “Run as administrator” to open Command Prompt with admin privileges.
• After opening Command Prompt, type in sfc /scannow

The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:

1. Windows Resource Protection did not find any integrity violations.
2. Windows Resource Protection found corrupt files and successfully repaired them.
3. Windows Resource Protection found corrupt files but was unable to fix some of them.

• Now restart your computer and see if the problem is fixed or not.

What is a QR Code

QR code or if you want to be more technical Quick Response code is a two-dimensional code made of square dots creating a pattern that can be scanned via QR scanner and then interpreted. Usually, they are present on product packaging, on business cards, websites, etc. When you decode a QR code you can get a link to a website or link to a file or whatever, you can get text, image, email, contact information, etc.

QR Code Desktop Reader & Generator sample code

How to decode a QR Code? You can scan it with your mobile devices like iPhone, iPad, Android or Blackberry equipped with additional software for scanning QR Codes. You might want to check out tools like Barcode Scanner or Red Laser. If you don’t have a mobile device or you need to scan a barcode on your PC, simply use CodeTwo QR Code Desktop Reader & Generator.

How this program works

QR Code reading

CodeTwo QR Code Desktop Reader & Generator is a free tool that will let you quickly scan any QR Code from your screen – be it a part of the website, email, banner, or document. Simply run the program and hit From the screen on the top menu. Your standard mouse cursor will change into a cross to help you make a selection on your screen. Simply select an area with a QR Code and the program will automatically scan it. You can scan QR codes from websites, documents, movie files – you name it. You can also select an image file that contains a QR Code and the program will locate it automatically and decode it. To do that, simply click From file on the top menu of the program and select the desired image from your hard drive. If you have a file copied to your clipboard, or if you make a screenshot of a QR Code, QR Code Desktop Reader & Generator will let you decode those QR codes in one click. Just click From clipboard and the program will automatically locate and decode the QR code for you. That is not all, you can also use your camera to scan QR codes. If you have more than one camera, the program will let you choose which one to use. To use this option, simply click From webcam, and you will be able to scan QR codes with your recording device.

QR Code generation

• CodeTwo QR Code Desktop Reader & Generator also acts as a QR code generator. Creating QR codes is as easy as reading them. Here is how to generate a QR code:
• In the top menu, click Generate mode on and enter the text you want to translate into QR Code
• Choose if you want to copy it to the clipboard or save it in a file. The QR Code will be scaled automatically, but you can resize it in the Size settings tab.
• The resulting QR code can be used however you like. To name just a few options, you can:
• Upload it to your blog/website which is especially useful for mobile users.
• Print it on a poster, providing easily accessible links with more information on your event.
• Send it in newsletters, or include it in your email signature.

QR Codes in email signatures

Inserting QR codes in email signatures lets mobile users quickly grab your contact details, or provides them with links so that they can get more information on your company or topic you were discussing. You can also provide your recipients with a link to QR Code Desktop Reader & Generator. This will help them easily decode QR codes when they open your email on a PC.

QR code

If you want to include a QR code automatically in email signatures throughout a whole organization, try CodeTwo central email signature management solution. It is a very useful tool, which enables you to unify email signatures on Exchange Server and Office 365 (Microsoft 365).

What is TrayApp Error 1706? A TrayApp Error 1706 is not something you want to see. It is generally caused by an error in hexadecimal formatting, which is a common format employed by software programmers for Windows OS-compatible hardware drivers, Windows system files, and software apps. Developers and manufacturers of hardware drivers and software apps employ different codes in order to indicate different types of errors. The TrayApp error 1706 occurs in a long numeric code with a technical explanation of the cause. In many cases, the TrayApp error 1706 can have different TrayApp error 1706 parameters. It will usually sport a message like:

• Install Error 1706 Trayapp
• Reinstall Error 1706 Trayapp
• Error 1706 Trayapp crash
• Error 1706 Trayapp is missing
• Remove Error 1706 Trayapp
• Download Error 1706 Trayapp
• Error 1706 Trayapp virus

Solution

Error Causes

More often than not, the TrayApp error will occur because there are damaged files in your operating system. When the Windows system file entry gets corrupt, it means that there malfunctioning in your system and it can be exposed to major security threats. And if it’s not resolved, it can potentially result in complete and permanent data loss and can make your storage media or your system as a whole inoperable. There can be other triggers for the TrayApp error, the common of which include:

• Incomplete installation of software
• Incomplete un-installation of software
• Improper deleting of hardware drivers
• Improper deleting of software applications

If you have the TrayApp error, you realize how common it is when restarting your system followed an improper shutdown or a recent malware or virus recovery. These situations result in corruption or deletion of essential system files. When Windows system files get corrupted or go missing, the data that is needed to run software won’t be linked properly.

Further Information and Manual Repair

There are two common manual ways of fixing TrayApp error 1706. The manual solution is:

Boot Your System and Log in As Administrator.

• Click on Start and select All Programs.
• Go to Accessories, then System Tools, and select System Restore.
• In the dialog box, select, ‘Restore computer to an earlier date’ and then click on Next.

Click next twice on the dialog boxes and then the Automatic System Restore will start and restart your device.

Reimage Plus Fix for Trayapp Error 1706

This is the easiest way to resolve TrayApp Error 1706. However, there are cases when the manual process may not really work, and this can be caused by improper maintenance of your system. For that, Restoro is your short and comprehensive answer. Restoro is a multi-functional PC Fixer that works as an antivirus, registry cleaner, system optimizer, and much more. It can not only help resolve TrayApp Error 1706, but can also resolve other errors that can hinder the performance of your system, programs, and applications. It can also clean your registry and optimize your system to make it faster and quick loading. The software is compatible with all Windows versions. Just click here and download Restoro and get rid of any issues in your system!

One of the most sophisticated Artificial Intelligence or AI assistants there is in the market is Cortana. However, no matter how sophisticated this AI assistant may be, there are still times when you encounter issues with it. So if your Cortana is not connecting to the internet, worry not for this post will guide you in fixing the problem. This connection issue in Cortana might have something to do with the settings, network connectivity, or your Microsoft account. In addition, it could also be that the Firewall or antivirus program interferes with its connection. Whichever the case is, here are some possible solutions that could help you resolve the problem.

Option 1 – Try to power cycle the modem, router, and computer

• Connect the modem, router, and the PC hard-wired and then switch all of these three devices off.
• Turn on the modem and wait for 30 seconds.
• Turn on the router and wait for 30 seconds as well.
• Finally, turn on the computer and check if you can now successfully connect to the internet.

Option 2 – Check if your router or ISP is properly working

Since the basis for this issue is that Cortana is not connecting to the internet even though you are able to access websites using your browser, you might want to check your router or ISP (Internet Service Provider) and see if they’re functioning properly.

Option 3 – Try changing your internet connection

You can also try changing your internet connection and see if it fixes the problem. If you are using Ethernet, you can try connecting to a Wi-Fi connection and see if Cortana is able to connect or not.

Option 4 – Try to run the Search and Indexing troubleshooter

You might also want to run the Search and Indexing troubleshooter in Windows 10 as it checks whether the settings for Cortana are in place and automatically corrects any issues if the update or software installation has changed the settings. To run it just click on the Start button and select Settings > Updates and Security > Troubleshoot. From there, select the Search and Indexing Troubleshooter. Note: You can also run the Network Troubleshooter as it can also help in resolving the issue especially if the problem is in the network.

Option 5 – Try to remove Proxy

Removing the Proxy might also help you in fixing the connection issue in Cortana. Here’s how you can do it:

• Tap the Win + R keys to open the Run dialog box.
• Then type “inetcpl.cpl” in the field and hit Enter to pull up the Internet Properties.
• After that, go to the Connections tab and select the LAN settings.
• From there. Uncheck the “Use a Proxy Server” option for your LAN and then make sure that the “Automatically detect settings” option is checked.
• Now click the OK and the Apply buttons.
• Restart your PC.

Note: If you are using a third-party proxy service, you have to disable it.

Option 6 – Verify your Microsoft account

In some cases, Cortana might not be able to connect to the internet because your Microsoft account is no longer verified. This usually happens when you use a two-step authentication system with your Microsoft account. To verify it, just open Settings and click on Accounts. After that, check if you have a Verify hyperlink under your Microsoft account or not then click on Verify. Afterward, follow the next on-screen prompts to verify your Microsoft account. Once your account is verified, restart your computer.

Option 7 – Try resetting Cortana

• Open Cortana and go to the Settings section where you’ll see the “Turning off Cortana clears what Cortana knows on this device, but won’t delete anything from the Notebook. After Cortana is off, you can decide what you’d like to do with anything still stored in the cloud” option. Turn this option off.
• Restart your PC.
• After your computer boots, launch Cortana again and check.

Option 8 – Try to reinstall Cortana

If none of the options given above works, you must consider reinstalling Cortana.

• First, right-click on the Start button and click on the Windows Powershell (Admin) option from the list.
• Next, type the following command and hit Enter to execute it:

Get-AppXPackage -Name Microsoft.Windows.Cortana | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)AppXManifest.xml"}

• Restart your computer and check if Cortana is now able to connect.

If you encounter the “We couldn’t install some updates because the PC was turned off” while trying to run Windows Update on your Windows 10 computer, then read on as this post will give you a couple of suggestions you can use as a reference to fix this error. Make sure to follow the options given below carefully.

Option 1 – Perform basic computer troubleshooting

If you get the “We couldn’t install some updates because the PC was turned off” error on your laptop, then it’s recommended that you connect your laptop to a power source and then try clicking the Update button again. In addition, you also have to make sure that your computer stays awake until the Windows Update process is completed. This will ensure that your computer does not go into an idle state and interfere with the process.

Option 2 – Try deleting the files from the SoftwareDistribution folder and resetting the Catroot2 folder

The downloaded Windows Updates are placed in a folder called “SoftwareDistribution”. The files downloaded in this folder are automatically deleted once the installation is completed. However, if the files are not clean up or if the installation is still pending, you can delete all the files in this folder after you pause the Windows Update service. For complete instructions, refer to the steps below.

• Open the WinX Menu.
• From there, open Command Prompt as admin.
• Then type in the following command – don’t forget to hit Enter right after typing each one of them.

net stop wuauserv net start cryptSvc net start bits net start msiserver

• After entering these commands, it will stop the Windows Update Service, Background Intelligent Transfer Service (BITS), Cryptographic and the MSI Installer
• Next, go to the C:/Windows/SoftwareDistribution folder and get rid of all the folders and files thereby tapping the Ctrl + A keys to select them all and then click on Delete. Note that if the files are in use, you won’t be able to delete them.

After resetting the SoftwareDistribution folder, you need to reset the Catroot2 folder to restart the services you just stopped. To do that, follow these steps:

• Type each one of the following commands.

net start wuauserv net start cryptSvc net start bits net start msiserver

• After that, exit Command Prompt and restart your computer and then try to run Windows Update once more.

Option 3 – Try restarting the Windows Update Services

• Open the Services Manager.
• From there, make sure that you set the following services and Startup types:
  • Background Intelligent Transfer Service: Manual
  • Cryptographic Service: Automatic
  • Windows Update Service: Manual (Triggered)

Option 4 – Try to run the Windows Update Troubleshooter

Running the built-in Windows Update troubleshooter could also help you resolve the “We couldn’t install some updates because the PC was turned off” error. To run it, go to Settings and then select Troubleshoot from the options. From there, click on Windows Update and then click the “Run the troubleshooter” button. After that, follow the next on-screen instructions and you should be good to go.

Option 5 – Try to install the Windows Updates manually

As mentioned, the error might be because Windows missed installing a particular update which is why you are not able to proceed with the current update. So to resolve the issue, you need to install the update that wasn’t installed by downloading it from the Microsoft Update Catalog website. You also have to make sure that you didn’t turn off the Windows update or have it delayed.

Option 6 – Run Microsoft’s online troubleshooter

Running Microsoft’s online troubleshooter might also help you fix the Windows update error. This online troubleshooter is known to help in fixing Windows Update errors, it scans your computer for issues that might be causing the problem and then fixes them automatically.

0X80070005 - What is it?

0x8007005 is a Windows Error Code. You may come across this error if you don’t have the appropriate permission to install a particular Windows update. It is prompted as ‘Access Denied’ error message. Solution

Error Causes

The error code 0x80070005 usually triggered because of 2 reasons:

1. Some updates require administrative permissions to be installed
2. Due to malware and viruses

Further Information and Manual Repair

If you face this error while installing Windows updates on your PC, it is advisable to fix it immediately. By taking timely actions, you can update your PC easily and in case if the cause of the error code 0x80070005 is malware or some virus, you can stop it from causing more and serious damage to your system.  Sometimes malware and viruses can lead to data loss. To avoid such damages here’s what you need to do:

Cause: Updates require administrative permission

Quick Fix: If the 0x8007005 error occurs on your system due to administrative permission issues, then the best way to fix this error right away is to log on as an administrator. If there are many user accounts on your PC, then to resolve this error, make sure you log on using the user account that has administrator permissions on the computer. Once you log on as an administrator, now try to install the updates again.

Cause: Malware and Viruses

Quick Fix: If the error 0x80070005 occurs because of malware infection, the best way to resolve this error would then be to open your antivirus software and run a scan to detect the malware. However, if you don’t have antivirus software installed on your system, then it is advisable to download the software immediately. Download antivirus software. To be on the safe side download Microsoft Safety Scanner. Click on the run when prompted. Once the scanner is installed on your PC create a shortcut to Safety Scanner on your computer desktop so that it is easily accessible. Now double click on the icon and click on the full scan tab to start scanning for malware and viruses on your system. After the scan is complete, you will see a list of viruses on your PC. Now remove them all by hitting the delete tab and then repair. Now try installing the updates again. By following these quick-fix techniques, you can easily resolve the error 0x80070005 on your system by yourself, without calling an IT professional.

If you have a USB that has stopped working and does not show any signs of life do not throw it away just jet. Hello and welcome to another great tutorial on errortools.com, today we will explore how to bring back to life dead USB memories.

Detect a Corrupted  Drive:

If your computer is still able to detect your USB drive, you might want to know if it’s been corrupted. Select the Properties of the drive folder and check the device status. If it says This device is working properly this USB drive is worth saving. There’s no need to worry if you can’t see the USB drive folder.

Erase the USB Drive with Diskpart Tool

Press ⊞ WINDOWS + X top open start menu and choose Command prompt (admin) Type diskpart and press ENTER Type in list disk and press ENTER Locate your USB drive by size and type in select disk#, where # is the number of removable disks.

Reallocate the USB Drive Volume

Press ⊞ WINDOWS + R to open the run dialog and type in diskmgmt.msc Select the USB drive and Right-click on it and select create simple volume. It will lead to a new simple volume wizard window. Once you click next, you can specify the volume size for the pen drive. Select the maximum volume, which is shown as a default unit in MB. As soon as you see the next step, select assign drive letter which will help you view your pen drive once again. Format the partition in the next step. This may be just an extra step because you have already wiped the data clean. But it is always better to be sure. Click Finish to complete the new simple volume wizard which will now be allocated to the USB drive. After you reallocate the unallocated USB drive space, you will be able to view the USB drive storage once again.

As you know, any software needs sufficient CPU power when it downloads, updates and installs so if you encounter an error code 0x80200070 when you tried to install or update the Microsoft Edge browser on your Windows 10 computer, then read on as this post will guide you on how to fix it. This kind of error occurs when the Edge browser installation does not get enough CPU power to update or install and the only way to fix it is to kill programs that are consuming a lot of PC resources as well as stop or remove any unnecessary programs that are running in the background. This kind of error can also be encountered in the new Microsoft Edge Chromium. For more details, follow each one of the options provided below.

Option 1 – Try to kill applications that consume high resources

• Tap the Ctrl + Shift + Esc keys to open the Task Manager.
• Go to the Performance tab and sort by CPU usage.
• Next, close a few additional programs that are consuming maximum CPU power.
• After that, try to update or install Microsoft Edge again and check if the error is fixed. If not, try to restart your computer and then start the installation or update again.

Option 2 – Try to remove or stop unnecessary programs and services

If the applications or processes that are consuming a lot of CPU resources reappear even after you kill them or end their processes, then you can try the following suggestions to remove or stop these unnecessary programs and processes.

• The first thing you can do is to stop the Service. If the program happens to be a service, then you have the option to disable the Windows Service. All you have to do is open the Services Manager and stop the service. How? Refer to these steps:
  • Tap the Win + R keys to launch the Run utility and type “services.msc” in the field and tap Enter to open the Services Manager.

• After that, identify which service is consuming a lot of power and then stop it temporarily.
• The next thing you can do is to uninstall the problematic program. If the one that consumes a lot of resources is not a service but a program, then you can try to uninstall the program for the meantime until you’ve updated or installed the Edge browser. Once you’ve uninstalled the program, try to update or install Edge again.
• You can also try booting your computer into Safe Mode and then update or install Microsoft Edge. This will make sure that all the unnecessary programs and services won’t consume a lot of CPU resources as well as memory.

A surprisingly large amount of things present at your home can and do interfere with your wi-fi signal making it weak so devices are dropping it, having trouble connecting, or being slow.

Hello and welcome to our latest article where we will take a look at all things that are present in a lot of homes but are very bad for your WI-Fi signal.

Bad router placement

Having a router in a bad position can have some really large effects on WI-Fi signal strength and its availability. Usually, we do not give great attention to where we are placing our router but it has been proved over and over again that being close to certain objects does indeed have a great influence on the wireless signal strength and performance.

So, what are these objects and bad positions where we could place the router and effectively kill his Wi-Fi capabilities?

Fish Tanks

Water will block all radio waves including Wi-FI signals and waves themselves, so having a router next to the aquarium or any large source of water is a bad idea. You should always look at water as something bad for your Wi-Fi and move your router away from it as far as possible.

Bookshelves

Paper is another story and example of the dampening effect on radio waves. Did you know that various patterns of paper are used in silent rooms and recording studios in order to eliminate sound reflection from surfaces? Well besides absorbing sound waves, the paper also absorbs Wi-Fi signals and if you have a large bookshelf with a lot of books packed one beside another you just have a great wall of signal absorbing.

Mirrors

The problem with mirrors is in their coating that goes over the glass in order to turn it into the mirror, that coating is metal and as such, it is absorbing signals in large amounts. If you have an old or high-quality mirror that has a silver coating things are even worse since silver will absorb even more waves than modern cheap ones.

TV

Yup, TV is also on this list and for a similar reason as a mirror, although TV does not have coatings of metal, they have something even worse: a large metal plating on the back. Metal plating is there to produce structural integrity of the TV set and provide it with shielding from electromagnetic waves and as such it will prevent Wi-Fi waves as well. Do not place the router behind your TV.

Things that influence signals in homes

Any kind of metal decoration

Now when we covered mirrors and TV because of the metal they have, we must take a look at the metal itself. Any kind of metal stuff that you might have like baskets, figures, statues, frames, etc will effectively block your signal.

Kitchen appliances and Home utilities

Kitchen appliances like refrigerators, microwaves, ovens, stoves, etc. along with home appliances and utilities like dishwashers, washing machines, dryers, etc are large metal objects enclosed in a metal cage that will block signals from spreading further and it is no secret that most kitchens have weaker Wi-Fi because of this reason.

Home gyms

This is a logical conclusion as to everything explained so far if you have a workout room or small gym at home it is probably filled with weights that are metal and have mirrors inside, all of that will interfere and block signals.

Things blocking your Wi-Fi that you have no easy control over

Walls

Thick walls will dampen signals, thick walls from bricks will dampen even more and concrete walls will kill it almost completely. Any kind of metal reinforcement wiring inside walls will reduce and kill signals as well.

Floors and ceiling

This is somewhat important if you have a floor beneath or under the room where is your router located, but for the same reason how walls are blocking your signal floor and ceiling can do it as well, especially since most of the time they are made of some stronger material like concrete with metal fence inside.

Heating systems

If you have a heating system that is composed of metal radiators with water inside, then in terms of Wi-Fi signal strength you have an aquarium but in a metal box, and as such it will greatly reduce signal strength.