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Nvidia P5000 mxm error 43 stops BIOS update

M

MercAntos

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Aug 28, 2023
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I'm able to write to the Eprom using NVFLASH but the problem is when I reboot the flash fails presumably because Windows detects an error on the card (43) and the only way to get the driver to "work normally" is to right click on it in device manager, disable then enable it

Is there any way to make the flash update without having to reboot the laptop?

So frustrating - I think the previous owner tried flashing the GPU and cocked it up :(

Any help would be very much appreciated
 
If toggling it on the device manager makes the graphics card work and the driver load normally, sounds like a Windows configuration error. I'd DDU in safe mode and completely reinstall the driver. The VBIOS is likely not the problem.

Why are you so averse to a reboot?
 
Try "nvflash --list" and if you can "nvflash --save backup.rom" and post zipped backup.rom.

Should be able to issue these commands with error 43 present.
 
The firmware is incorrect, find the original one and flash it again if you can. you will solve the problem...
or GPU damaged...
before doing anything post firmware dump for analysis....
 
Last edited by a moderator:
Dr. Dro said:
If toggling it on the device manager makes the graphics card work and the driver load normally, sounds like a Windows configuration error. I'd DDU in safe mode and completely reinstall the driver. The VBIOS is likely not the problem.

Why are you so averse to a reboot?
Click to expand...

Hi, thanks for the reply - I'm not averse to rebooting, but I believe the reboot is stopping the changes being made after the flash. It says a reboot is required but then when it reboots Windows stops the card/driver because it returns error 43

I'll try and get a firmware dump and post as others have requested, once I work out how to do that! I'll probably annoy the Hell out of the experts on here but I've never done this before! Guess you have to start somewhere eh

MercAntos said:
No one got any suggestions?? :confused:
Click to expand...
Thanks for the advice everyone...I'll try and get a dump extracted ....
 
TheQuentincc said:
On your M6800 you need to flash this vbios :
VGA Bios Collection: Dell Quadro P5000 16 GB | TechPowerUp
More info can be found here (the M6700 suffer the same issue as the M6800 for GPU compatibility) : Precision M6700 owner's thread - Precision Mobile Workstation - NotebookTalk
Click to expand...
Hi, thanks for the response and apologies for the late response, I work away a lot of the time.

I've tried that BIOS flash before, I've tried pretty much every one I can find on Techpowerup, including unverified ones. I have had one working before where GPUz read the card with a BIOS installed, but Windows still didn't see it in task manager etc, neither did Adobe Photoshop recognize the card - and then on the next boot up it failed again.

I'm beginning to believe that the card is either not seated properly or is faulty. I'm going to [at some point] remove it, make sure it's seated in the slot firmly and redo the thermal paste, see if that helps - it may be the reason why Windows keeps throwing up error code 43?
 
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