Solved HP dc5750-SFF, thin blue lines, static audio sound on wakeup

Hewlett-packard Hp dc5750 refurbished de...
November 23, 2013 at 12:44:02
Specs: Windows 7 Pro, AMD Athlon 2.0GHz / Mem 2.0 GB DDR2
I have a dc5750-SFF that is whipping my butt. As long as I am using the unit, all is well. However, when it is allowed to go to sleep, it wakes up with thin blue lines across the screen and a horrifying static sound. I can see the sign on page behind the blue lines and I can insert the password and move on to the desk top but the static is heard with every move. When I reboot, it comes back up as normal, no evidence of a problem, and will operate just fine until allowed to go to sleep again.

Although it sounds like a loose connection, I have re-seated the memory and checked other connections. Nothing seems to work.

Can anyone help me diagnose this booger?


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#1
November 23, 2013 at 15:14:41
✔ Best Answer
try to reinstal windows.
If that fails then try to check all cables from the power suply

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#2
November 25, 2013 at 13:54:08
Bj, I appreciate your input, but that did not solve the problem. I am so frustrated with it now I may just pull the nuclear trigger and change out the whole mother board.

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#3
November 26, 2013 at 00:54:42
Is you have a graphics card and/or a sound card then take them out. And is this fixes the problem then please reply to this answer and ill give you a cheep solution on how to fix it.

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#4
November 26, 2013 at 07:50:01
DJ, The dc5750-s has an on board video circuit built into the mother board and this was driving the monitor up until the problem began. I originally suspected this circuit, so I purchased and installed a low profile ADM video card. This new card works beautifully, but it had no effect on the problem issue. The sound circuit is also "on board" so that can't be removed either. This is why I feel I just need to go ahead and replace the mother board. We are pretty much in a plug and play world where it is cheaper to just replace rather than fix. I found a board on eBay for 22 busks. That's less than I paid for the video card.

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