Question about HP Compaq DC7900 PC Desktop

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Hp compaq dc7900 ultra slim

Orange light on mother board / wont boot up

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: HP D530 Will not start:

I had the same problem with my HP D530. It would not start but the motherboard green led light stays on. At first, I thought its the power supply. I DISCONNECT the power plug and removed all my RAMS, AGP video card and I then took off the BATTERY (bios) and replace it with another one from my old computer that had the same battery PART NUMBER. Place the power cable back on and turn on the PC. If the CPU fan comes on, your motherboard is ok. Now UNPLUG the power cord again and place the RAMS. Plug the power cord again and check if the CPU fan comes on. If it did, the computer is properly working. I had mine working but for some reason, it stop working when I install two different AGP video card on it so I had to use and settle with the built in video.

Posted on Feb 02, 2009

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the logos1
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SOURCE: I have a hp compaq dc 7100, the power supply is

i prety sure there is no way to do that. you might be better off just going to fries or radio shack or some other electronics store and buying a new one, there is no way to change a 20 pin to a 24 pin srry the best pf luck to you. plus i trying to fix my own problem right now

Posted on Apr 01, 2009

  • 27 Answers

SOURCE: hp compaq dc 7100 psu 24 pin SLIM LINE

why wont you buy a new power supply or a plug that converts from a 20 pin to a 24 pin

Posted on Apr 22, 2009

  • 1 Answer

SOURCE: POWER SUPPLY 24 pin slim line colour code ,hp compaq dc 7100

normal white wire....?
white with red....?
brown....?

Posted on Aug 28, 2009

info2u
  • 596 Answers

SOURCE: where are the SATA ports on the hp compaq dc5000

Hello,

To the best of my knowledge and working with HP/Compaq for over 8 years, this model does not have SATA ports on the motherboard unless someone has customized your system with a new board other than that which came as the original board.

C2Solutions

Posted on Jan 09, 2010

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1 Answer

5 bleeps on a conpaq


it say that you have a critical failure it can be power supply ; CPU ; memory or motherboard
to test your power supply:

1 unplug it from motherboard
2 on the ATX conetcor (P1 with 20 or 24 pin) use a wire to link green with a black wire
3 with a voltmeter verify that yellow have 12V ; red and purple 5V and orange 3.3V (nearly)

for the CPU and memory modules you can change it and test(only 1 memory module is enouth) or test it on an other mother board (must be compatible)

and for the mother board test on an othr hardware that work (if previous test was passed it's the mother board)

Oct 27, 2012 | HP Compaq dc7100 Ultra-slim PC Desktop

1 Answer

HP/Compaq P4 2.8 GHz Desktop PC alarm is going off. my computer won't start up and there is a 'light bulb' icon that is flashing red


This is a Beep code for Memory Failure or System board failure. Mostly this should be due to RAM ( System Memory ) failure. Try reseating the Memory.
There will be two Memory modules in the system, try booting with only memory module and if it works. the swapping of memory does not help, the system board must be faulty.

May 11, 2010 | HP Compaq dc7100 Ultra-slim PC Desktop

1 Answer

I was changing the processor in my hp compaq d530c computer and now it won't boot up. the power and hd lights on the front are flashing red.


try lifting the proccessor again make sure no pins are damaged and place down centred , lock up and try again. make sure board can support this type proceesosr.

Dec 03, 2009 | HP Compaq d530 Ultra Slim PC Desktop

1 Answer

I am trying to replace the cmos battery on my dc7600 ultra-slim desktop. I could not find the location on the motherboard. Please help


It looks like either a AA battery or a silver round hearing aid battery located on the mother board.

Jul 11, 2009 | HP Compaq dc7600 PC Desktop

1 Answer

LED light is orange but computer is on.


it sounds like you may have overloaded the PSU, best thing to try would be to take out the dvd burner and and try booting again, if this doesn;t have any affect it may mean you need a new psu (power supply).

Mar 18, 2009 | HP Compaq Business d530 Ultra-Slim PC...

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