Question RX6800XT not giving image anymore.

Mar 5, 2025
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Hi,

So I recently made my 5th build with this graphics card, everything was working perfectly fine until some days ago...I woke up and tried to boot up my PC like everyday, the PC didn't boot into windows and my screen was black. I tried to boot up again and it booted up into windows but after 20 seconds or something like that my screen flicked green cubes or something similar and the screen became black. I switched the graphics card bios mode from Overclock to silent and it worked perfectly fine for some days until today. I tried to switch back again to the overclock mode but the screen is black in both bios modes.

So I decided to disconnect everything and take out the graphics card, I looked at the pins and the pcie slot and noticed that the slot has thermal paste inside, the thermal paste is dry... I just don't know if the thermal paste ruined my Graphics card but it seems like it, can someone tell me what can I do to fix it please?

Also a pin on the graphics cards seems to have a different color from the other ones, matching the place on the pcie slot that has thermal paste. I bought the card 2 years ago and it was used, it has never been cleaned or maintained since I got it.


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img_20250305_191441-jpg.388042

IMG-20250305-191557-2.jpg

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Last edited by a moderator:
Welcome to the forums, newcomer!

Thermal paste won't ruin anything on your system even if you place it in your CPU's socket...provided the thermal paste used is non-conductive. Since you have the discrete GPU out of the system, you can use an eraser to clean the gold contacts of said PCIe slot fingers on the card(not the board). Be gentle not to knock the SMD's off the GPU's underside.

As for your inquiry, into no display...when posting a thread of troubleshooting nature, it's customary to include your full system's specs. Please list the specs to your build like so:
CPU:
CPU cooler:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:
Monitor:
include the age of the PSU apart from it's make and model. BIOS version for your motherboard at this moment of time.
 
Welcome to the forums, newcomer!

Thermal paste won't ruin anything on your system even if you place it in your CPU's socket...provided the thermal paste used is non-conductive. Since you have the discrete GPU out of the system, you can use an eraser to clean the gold contacts of said PCIe slot fingers on the card(not the board). Be gentle not to knock the SMD's off the GPU's underside.

As for your inquiry, into no display...when posting a thread of troubleshooting nature, it's customary to include your full system's specs. Please list the specs to your build like so:
CPU:
CPU cooler:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:
Monitor:
include the age of the PSU apart from it's make and model. BIOS version for your motherboard at this moment of time.
CPU: Ryzen 5 9600x
CPU cooler: Termalright Frozen Infinity 360
Motherboard: Gigabyte Eagle AX B650
Ram: Kingbank 2x16GB 6000mhz
SSD/HDD: Crucial NVME 1TB
GPU: Gigabyte RX6800XT Gaming OC 16GB vram
PSU: Corsair RM850e ATX Fully Modular 850w 8 months
Chassis: Lian Li O11 Dynamic
OS: Windows 11 VainOS Custom OS
Monitor: Xiaomi g27i 165hz
Bios version: Can't tell since I can get image lol