Why some fuzzy images display automatically on my PC screen?

Why some fuzzy images display automatically on my PC screen?

I believe you should attach an image  to elaborate your predicament so we can fully understand what you need.

Any way you can try these simple solutions.

Check for Monitor cables. Some malfunctioning cables can affect the display on your monitor. Replace them if necessarily.

Try adjusting your Monitor’s hard settings.

Update your Graphic or Video Card Driver, which can be found on the website of the video card Manufacturer. On your computer click start > Control Panel > Settings>Device Manager>Display adapter and write down the model of your VGA.

Check if there is Microsoft DirectX installed or not properly installed on your computer.

Why some fuzzy images display automatically on my PC screen?

If you are not doing anything like if your computer is idle and images still continue to appear on your screen, you maybe want to check your machine for infection. Connect your computer to the internet, update your antivirus, and then run a full system scan on your machine. A full system scan analyzes your entire physical hard drive.

If the scan didn’t find a virus, open Windows Explorer, click Tools, and then Folder Options. Select View tab. Scroll down the list a little bit then select “Show hidden files and folders” and then uncheck “Hide protected operating system files”. Click OK. Go to drive C, right-click System Volume Information folder, point to your antivirus, and then select Scan. See image.

Another way of thoroughly scanning your computer for infection is using the Sophos Virus Removal Tool. Download and install it on your computer then scan your machine once it is installed. This is the best tool to use on an already infected computer. It works alongside any antivirus applications so there’s no need to disable your antivirus while using Sophos Virus Removal Tool.

If a virus is detected, remove it and then repeat the scan until no more infection is detected. The tool works only for 2 months and will automatically deactivate once it reaches the final day.