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Why pc won't stay on desktop screen once it gets to it

Dell Dimension E521 PC won't stay on desktop screen once it gets to it. What is causing this, and how can I fix it please?

Update (11/13/2017)

this is from when it goes to desktop screen to all it will do afterwards...

ps- I just noticed some small capacitors that might be bad...would these cause this problem?

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3 Comments:

@slowboy what do you mean by "won't stay on desktop screen"? what does it do when it get's to the desktop?

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could you upload a screenshot or a photo if you are unable to get a screenshot?

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I made a short video of what it's doing, but have to figure out how to reduce the size to be able to put it on here. Will do so asap. Thanks for replies!

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1 Answer

Which video card do you have? Are you using the new Windows 10 Fall Creators Update (1709)? Old ATI graphics cards with 2015 Windows provided drivers on computers that also have integrated Intel graphics will have this issue.

Try pressing the "Windows KEY"+ P, this should show a new menu show up. Select "Project" and select your monitor.

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I'm using old monitor that I connect to computers when I try to work on/repair them. This is a friends DELL DIMENSION E521. He had me put more memory in it hoping that was the problem. It now has max memory of 4 GB.

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Will check on video card asap and let you know.

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All I can tell is it's a Pegatron graphics card, and NVIDIA [chipset?]...

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If you take the card out of the desktop, you should be able to find a label with the name of the card on the side that has not shroud/ cooler.

What you could also try is using a different (known-good) GPU or connecting the monitor into one of the ports on the motherboard (like, not the ones directly on the GPU).

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guy has tape over port on motherboard...

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