Windows 10 - No video signal (sometimes)

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andrey_t9

Honorable
Jul 12, 2013
28
0
10,530
Hello!
I have a pc with ATI HD 7700 GPU and it has a very strange problem.

After Windows 10 loads, when the user loading screen should appear, there's no video signal. This only happens sometimes. I have to reboot many times until video just works and everything is normal. I tried to plug another monitor when it said "No signal" and the other one said the same thing.
I tried to format and everything gone fine for 3 months. Then the problem appeared again. After many weeks it happened more often. If at the 3rd month it needed only one or two reboots, after weeks it needed 6 or 7 to make it work. When it says "No signal" the PC remains ON.

THINGS I DID:
I updated BIOS (2 times) and I updated drivers but nothing happened. I tested HDD, RAM and CPU. During CPU test PC freezes after 30-40 min.
If i use a different GPU (I tried two) everything is fine. I also tried the same GPU (HD7700) in another pc for days and everything was fine.

So the problem seems to be this particular GPU in this particular PC. Any ideas on how to solve this and what the problem really is?

 
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Aaron_90

Aaron_90

Commendable
Oct 18, 2016
14
0
1,510
Check the pins on the GPU for one, For two check out the drivers page http:// for your GPU and check the support page there also and it could be your cable if your using HDMI or DVI-D that could be the problem i was having a similar problem with my GPU with my HDMI it wasn't getting a secure HDCP connection check all that, and if not that it could be a hardware problem on the GPU something could have got pulled lose on the solder connecting the output from the card on the board.

just some suggestions but if none of that works you have got me stumped.
 
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A

andrey_t9

Honorable
Jul 12, 2013
28
0
10,530
I think using the same GPU for days on another pc with no problems at all covers them all.
As I said I updated drivers. Also when the screen is black, if I change monitor and cable, it happens the same thing. The temporary solution remains to reboot until it works for both monitors.

PS: GPU doesn't have pins. It looks ok. I also tried to clean it very well from dust but still the same problem happens.
 
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