Hp s5210t monitor, keyboard, mouse dead

Hewlett-packard Pavilion slimline s5210t...
June 4, 2011 at 07:11:49
Specs: Windows 7 MCE Home, Pentium Dual Core E5300
HP Pavilion slimline monitor keyboard and mouse are dead. What can I check?
I have tried re-seating connectors, cards, memory, etc.
I read all of the power supply voltages - OK.
Read power supply ripple on all voltages - OK
Looked at the hard drive with another computer and all the files look readable.
I have not tried to boot the other computer with the HDD as it is SATA and the other computer does not have SATA cabling. Can I use the USB to SATA adapter that I read the HDD files to boot the computer?
What can the problem be? Can it be a bad BIOS chip or is it more likely the motherboard?
I do not hear any beep when I turn it on.

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#1
June 4, 2011 at 07:27:40
"I read all of the power supply voltages - OK.
Read power supply ripple on all voltages - OK"

That's all well & good but what about amperages? There's no easy way to check for that unless you have a PSU load tester such as shown here:

http://www.tomshardware.com/reviews...

All you know is that your +3.3v, +5v & +12v rails are within voltage tolerances, but are they capable of supplying 20A (for example) or just 2.0A?

If you have another power supply handy, even if it doesn't fit in your slim case, hook it up & try it.


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#2
June 4, 2011 at 09:14:33
I read the voltage and ripple values with the power supply connected. If it could not support the current draw, the voltage would be down and the ripple would be up.
The computer had frozen upon trying to shut it down and I had to hold the power button down to force a shutdown (the only way).
The first time after that when I tried to power up, no beep, no monitor and the mouse led and keyboard led's are off.
Up until the freeze the computer was running fine.

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