Nvidia Quadro K6000 graphic card not working

[Prométhée]

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@Prométhée wrote:

hi

Red Power LED blinks six times, once every second,followed by a two-second pause. Six beeps.
Pre-video graphics error.
CAUTION: Internal components might be powered even when
the computer is off. To prevent damage, disconnect the computer power cord before you remove a component.
1. Reseat the graphics card.
2. Verify the graphics auxiliary power cable is connected (if
applicable).
3. Confirm the graphics card is in the appropriate slot (PCIe
x16).
4. The problem might be on the graphics card. Contact HP

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if you have beeps with the graphics card, you should not be able to restart in safe mode @NonSequitur777 

[Prométhée]

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@NonSequitur777 wrote:

@Brian1965,

That is an excellent observation.  Assuming that @mark1var1973 has connected the auxiliary power cables, do you think that trying to install both cards as I proposed to troubleshoot the K6000 would work?

Kind Regards,

NonSequitur777

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@Prométhée wrote:

it does not tell me, if
the graphics card is new, functional
correctly plugged into the correct pci slot, with additional pci connectors if necessary...
Power required and sufficient power available..

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this is also what has been said, and specified in the manuals normally .

at this point, if everything has been checked correctly as I already mentioned
it seems that the best test, in fact, is to try what @NonSequitur777  indicates by connecting the two graphics cards

http://h10032.www1.hp.com/ctg/Manual/c04205252.pdf

Power supply ● 800 W Gold, 90% efficient, wide-ranging, active Power Factor Correction, two auxiliary dongles
on two separate 12V rails, ERP 0.5W, Built-in-Self Test (BIST)

is it this ?

Graphics cards
● PCIe Gen3 (PCIe3) bus speeds; can support two PCIe Gen3 graphics cards in PCIe3 x16 slots
● Up to 225 W graphics or compute card in the primary graphics slot
● A second graphics card in the second PCIe3 x16 slot
● Third and fourth 2D graphics cards in additional PCIe2 slots
● Combined power consumption of all cards cannot exceed 300 W (subject to overall system
power limitations and configuration restrictions)

 PCI Express graphics or compute card with auxiliary power adapter installation

https://www.compeve.com/workstations/hp/hp-z620-workstation-xeon-e5-1620v2-3.7ghz-8gb-1tb-quadro-k60...

https://images10.newegg.com/UploadFilesForNewegg/itemintelligence/Hewlett-Packard/datasheet_hpz620ws...

if not error , it seems that this card  should work
so if nothing to do, you should contact the seller of the graphics card, even a new card can have a problem

[Brian1965]

Hi NonSequitur777,

Please check out a previous post I created regarding installing dual GPU cards in my HP Z620.

Yes, it would be possible to have both cards (K2000 + K6000) installed simultaneously, taking advantage of the additional CUDA cores. I also have my Z620 configured for high end 3D CAD (SolidWorks), and CUDA rendering 3D graphic animations. As indicated in my post, I can easily switch between either my Quadro P2000, or GTX1080Ti card as my primary GPU, (i.e. switching between OpenGL [needed for SolidWorks], or DirectX graphics [Gaming and other applications]).

In Mark's case above, both the K2000 and K6000 have a combined power load of 225W + 51W = 276W, which is within the PSU/GPU power limits, (as specified by HP). The fact that both cards are from the same family (chipset), installing the drivers shouldn't be an issue. In Mark's case, I would install the K6000 as the primary GPU, to take advantage of the larger VRAM. (K2000 = 2GB VRAM, K6000 = 12GB VRAM).

"do you think that trying to install both cards as I proposed to troubleshoot the K6000 would work?" - This shouldn't be necessary. The K6000 card should boot no problem by itself in the Z620, even with the K2000 drivers still installed. The K6000 card should be installed in slot 2 and the K2000 card in slot 5 - ensuring the display monitor(s) are plugged into the K6000 card only.