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Repair Guides for HP Desktops.

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Screen crashing to random color

Hello everyone, i have an hp elite desktop computer with an i5 3470 , 16gb ram , 250gb ssd and 500gb hdd and also a gtx 1050 .

lately I started to get this problem , my computer work for some time then it crashes and the screen turns to a random color ( white , pink , green , purple ) its just a random stative color not flashing all of them .

i gave my gpu to a friend who have the same hardware then me and he didnt get any problem .

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Hi,

Does this happen when using the desktop in safe mode?

Have you checked in Event Viewer for any Critical, Error or Warning events that show at the same time as the problem occurs? This may give a clue as to what is happening.

It doesn’t happen when i use the intel hd and its random sometimes after a day of use sometimes when i just turn it on

And yes it occurs in safe mode

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Hi @ saad-benhima

What is the model number of the desktop?

Since it also occurs when in safe mode it’s looking more like a hardware problem rather than a software problem.

Have you installed anything else in another PCI connector by any chance?

According to the specifications for a GTX1050 the recommended PSU power is 300W. The card requires 75W and this is the maximum that is provided by the PCI connectors. If a PCI card required more power then a separate power cable would have to be connected to the card.

Can you try another PSU at all?

What is the power rating of the PSU? (should be printed on the PSU)?

Check what the load is already on the PSU by using this PSU calculator

When it fails, is the fan on the GPU card still operating?

Just trying to narrow it down by eliminating things

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No i don’t have any other card . And yes the fan of the gpu spins like everything is working only the image on my screen is a stative color

Ps : it’s been more than a year that everything is normal but lately i’ve been getting this problem

Model number is 8300 covertible microtower

@saad-benhima

Can you try the GPU card in another PCI slot?

Just to prove that it may be hardware try running a standalone program and check if it happens with it running.

Running this program is not checking the RAM as such to see if it is faulty (even though it is doing that)it's just that it is a standalone program that doesn't need the OS to be loaded to be able to operate.

If the screen still fails when running it then it is definitely a hardware problem.

What is the model number of the desktop, you didn't say?

Have you checked that the latest BIOS version software and chipset drivers have been installed?

Maybe also check in Event Viewer for any Critical, Error or Warning events that are logged at the same time as the display malfunctions to hopefully get a clue as to what may be happening.

Being random and the GPU card also OK in another PC makes it difficult to trace as if it were there all the time it would be easier.

Also measure the PSU outputs by doing the paperclip test just in case they are lower or varying.

I tried the gpu in the other pci slot same problem occurs . For the bios , drives and the psu everything is fine .

I can’t do the test because when i turn on the computer it just freeze and the screen turns to a color .

Can the problem be from the pci slot or the motherboard ?

For the model number it’s an hp elite 8300 convertible microtower

@ saad-benhima

Can only suggest that you try starting the computer as a "barebones" PC and check what happens to try and nail the problem down further.

Disconnect the power cable from the HDD, SSD, ODD(optical disc drive), remove any other cards and only have the PSU, motherboard ( with memory), GPU card, keyboard, mouse and monitor connected and then start the PC and try to get into BIOS if the display is OK and check that it stays OK when in the BIOS menu screens.. Unless of course it switched to the Intel for BIOS menu displays

if you can do this try booting from the Memtest program and check as well

The reason for this is to check if the PSU is OK.

I know it seems that I'm concentrating on the PSU and that you said that the Intel GPU is OK, but this may mean that the Nvidia GPU is only operating at minimum power so less impact on the PSU. This is only to eliminate the PSU so that the problem is then on the motherboard. The PSU output may be failing under load so minimizing the load by disconnecting all "unnecessary" components (for testing purposes) may show something.

If it still fails as a barebones and you have done the"paperclip test" on the PSU then it will be the motherboard.

Finding out whether it is the PCI slots i.e. the PCI controller then as you said that it happened on more than one slot, or something else on the board would require the schematics for the board.

Maybe search online for "(insert motherboard 'board number') schematics" to hopefully find them. The board number is printed on the motherboard itself.

If you do find them then you will need to know how to read circuits and how to test with a DMM etc.

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Hey,

Did he test the GPU properly? It sounds like your gpu is running hot or maybe you use a GPU-Driver Removal Tool and reinstall the drivers could help.

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Yes he played with it all week and didn’t get any problem . I also reinstall the latest nvidia driver 457 and it works but only for some time until i get the screen crash again

@saad-benhima did he gave you his gpu for testing purposes? did it happen with his gpu too?

did you use a driver-cleaner tool to uninstall the old gpu drivers?

if no - try this https://www.techspot.com/drivers/driver/....

run it - uninstall drivers - reboot and install new drivers

No he didn’t give me his gpu because he doesn’t have one i will try to uninstall and install the new ones

I can’t use my computer with the gpu but only with the integrated one ( intel hd 4000 )

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Hi saad-benhima



Judging from those specs, this computer is due a teardown and thorough cleaning. This includes blowing out the dust in the PSU, GPU fans, CPU fans, and case fans. To do it properly you will need to disassemble the computer, fans, and heatsinks so you can get at all the little spaces. It also wouldn't hurt to repaste the heatsink on the CPU and GPU.

Yes, the PSU could be failing, but if you don't have another to test with, this is the course of action to take. If the computer still behaves the same way after a thorough cleaning and repaste of the thermal compound, then the PSU is most likely the culprit.


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I don’t think the problem is from the psu because when i take off the gpu and use it with the integrated gpu i don’t get any problem . And one friend tested my gpu and it’s working fine . So i think the problem is from the motherboard if i’m right .

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