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My screen resolution suddenly decreased. I use (legal) win 10 for 3 years, reinstalled about half years ago. Last week my screen suddenly turned to black and then it came back with a lower resolution. Since then I cannot fix it, tried a lot of things.

  1. Desktop Resolution

Obviously first I've checked the Resolution in the desktop's properties. (The highest one is 1600x1200 and I've set that for comfort but it's scretched).

  1. Default properties

Then I checked the default properties where I saw (and I don't know if it was different before the problem but I guess) Processor, DAC, Adapter, BIOS details are unknown (Grafics mem/Shared mem: 3967MB,Dedicated/System videomemory: 0MB) in the modes I can't change for a higher resolution because the monitor goes off if I set any higher. The monitor type: Generic PnP Monitor and Microsoft Basic Display Driver.

  1. Update drivers

Then I've tried to update the adapter (auto detect says it's up to date, I don't know what does adapter mean so I cannot download a driver for it but I've downloaded "driver talent" that couldn't install a ATI Radeon 4000 HD because device was not recognized). Then I've tried to update monitor (up to date, and if I download the most recent driver it is not change anything, ASUS VW223D monitor type).

  1. Uninstall, disable

In device manager I've tried to disable monitor to force re-recognition but it didn't work. Then I've uninstalled and restarted the computer. It didn't work as well. Then I used Display Driver Uninstaller, PC showed blue screen death then restarted. It couldn't boot so I pulled off everything then back, turned off power took out little battery and the memory cards then back. Then after a couple restart it could boot. Problem was the same but I've waited because I thought it is because of the uninstall, and after 1 hour it worked. Changed the screen to the proper resolution. It took for 10 or 15 minute, then it turned back to the low resolution.

  1. What's next?

Some info: I have integrated video card, so the graphic specific stuff has always ran slow but it is acceptable for me. I use HDMI sometimes (but now it's not connected, and there's no other screen) I've checked cables, and screen with laptop (by the way it a desktop pc) and other monitor, everything worked well. Windows didn't update (I mean shortly) before the problem. CPU: AMD Athlon II X3 425

So I need solution, I don't want to reinstall windows (my experience it's not permanently problem will come back after a little time) or replace anything in PC. Is there any tips that I could try out?

EDIT:

I found some kind of solution with the GPU overclocking (on GPU with ATI Radeon driver) They suggest to raise the voltage or decrease the CPU clock. I don't want to try it before I'm not sure that It can't make any harm. Is there anybody who had used this solution for some problem?

PS: Sorry for my grammer mistakes!

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    "drawn" probably means "stretched" since you probably have a 720p or 1080p style monitor, and 1600x1200 is 4:3 aspect ratio (the wrong aspect ratio). "Integrated video card" is not helpful. Are you using the on-CPU GPU? Is it Intel? Is it AMD? Updating the video driver in device manager will only try to update the installed driver. The "Basic Microsoft" driver you list is the wrong driver, so you need to know what your proper device is. Ignore the monitor: the problem is your display device (GPU/grapchi card) is not recognized properly. – Yorik Nov 28 '17 at 17:23
  • Yeah scretched sorry. So AMD Athlon II X3 425 and I guess on-CPU GPU (I'm not really into the hardwers so I'm not sure but I just don't have a graphic card) Where can I find the name of the display device? – GeorgeW Nov 28 '17 at 17:33
  • You might try to rollback your drivers. It soulds like Win Update installed "new drivers" that don't work for you. Rolling back might be too late for what with all you've already done, but it might be possible. Otherwise, you'll have to find the right drivers again, like @Yorik mentioned. Get them from the manufacturers website, not through Win Updates. – computercarguy Nov 28 '17 at 18:23
  • I would, but I don't know that should I searching for. As @Yorik wrote I should download the display device's driver but I don't know where is the name of it or how can I get it, which hardwer should I looking for? – GeorgeW Nov 28 '17 at 19:12
  • That CPU does not have on-die graphics, so the graphics are either on the motherboard or there's a riser card installed. – Yorik Nov 28 '17 at 20:05
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Problem still not solved!

I found a solution maybe. With GPU overclocking (on GPU with ATI Radeon driver) They suggest to raise the voltage or decrease the CPU clock. I don't want to try it before I'm not sure that It can't make any harm. Is there anybody who had used this solution for some problem?

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