hp pavilion a705w won't boot up

December 5, 2009 at 11:22:48
Specs: Windows XP
hp pavilion a705w. when i turn computer on monitor is blank(no response at all), keyboard doesn't work(no lights), optical mouse doesn't work or light, but power supply and all fans are on. cd/dvd tray opens and closes. did all troubleshooting hp offers on websites. recently went from 512M to 2G memory 1 month ago. any ideas?

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#1
December 5, 2009 at 12:41:15
Try another compatible power supply if you have a spare.

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#2
December 5, 2009 at 12:52:10
don't have one

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#3
December 5, 2009 at 13:22:41
Well, you can't do much then. The power supply is the most likely problem.

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Related Solutions

#4
December 7, 2009 at 17:01:07
found compatible working power supply(from this computer). still a no go. any suggestions?

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#5
December 7, 2009 at 18:17:06
Did you see any signs of life? Still a no go is not very descriptive.

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#6
December 7, 2009 at 18:28:36
same thing. no keyboard life, no monitor, no mouse. but all fans work as does dvd/cd door open and close.

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#7
December 7, 2009 at 19:34:15
Is the CPU fan turning at all?

Check to see if the heat sink is securely fastened.

Disconnect all external hardware other than keyboard, mouse and monitor.


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#8
December 7, 2009 at 19:52:50
cpu fan turning. already checked heat sink. disconnected all external hardware. removed battery for 5 hours and replaced.

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#9
December 7, 2009 at 19:54:59
also removed mem cards and tried to get error code beeps upon startup. no error code beeps.

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#10
December 7, 2009 at 20:04:10
When you say you found a compatible power supply to test with. Does it have the same total wattage and 12V ratings as the old one?

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#11
December 7, 2009 at 20:09:16
yes. same everything. went to bestec website to verify.


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#12
December 7, 2009 at 20:12:13
took it out of my dell dimension 4550(computer i'm typing on now). hp power supply started this computer no problemo.

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#13
December 7, 2009 at 20:35:26
actually it was http://www.atxpowersupplies.com/

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#14
December 8, 2009 at 00:28:19
Well if you have a known good PSU then strip ship down to basics. Disconnect all drive power & data cables. Leave only motherboard, CPU with HSF, 1 stick ram, keyboard & monitor. Connect to onboard graphics if available.

If it won't boot up in this barebones configuration the most likely culprit is CPU or motherboard.

Goin' Fishin' (Some day)


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#15
December 8, 2009 at 05:48:01
That link doesn't tell me which PSU you are now trying?

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