Hi everyone,

Lately, I have repaste the GPU and CPU heatsink of my Precision 7520.

Post that repaste process, the GPU was had 43 error in Device Manager. And often times also followed by nvlddmkm.sys error message.

I've tried some suggestions on Internet, such as:

- Run DDU

- Run BCDEDIT /set pciexpress forcedisable

- Reinstall several versions of Quadro M2200 drivers (NVidia, Dell, or Windows update based)

- Activate only the Discrete graphic in BIOS

None of them has successfully returned the Quadro M2200 operable.

If I'm checking on GPU-Z, sometimes VBIOS is showing but oftenly don't. And the memory hasn't showing post the error on GPU-Z.

I haven't tried the NVFlash vBIOS replacement yet, as I don't have any experience. I'm afraid the card condition will worsen.

Is it possible to fix the above card issue? Or this card can be considered faulty post the repaste process?

Below are the Ss from GPU-Z and NVFlash tool.

#1 GPU-Z shown unknown on many fields

#2 GPU-Z shown unknown on Memory fields

#3 NVFlash64 output

Any suggestions/help are really appreciated.

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