Question about HP Compaq dc7100 Ultra-slim PC Desktop

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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

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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.

Posted on Jun 09, 2010

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Posted on Jan 02, 2017

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Hp 8000 Solid Red light


desktop small form factor, SFF, (not silly fat frog)
no statement as to where lamp is, I'll guess, FRONT.
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why not RTM read the manual to learn what it means.?
so where is said LED lamp, ? front of case on the SSF case?
HP calls it, and searches only work with this.
HP Compaq 8000 Elite Small Form Factor PC./
im reading your manual now for you at HP.com
my guess is lamp 5, (pwr) is not green now but is red
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page 2:
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sff-s5z5x1uvxsiidstn2afwkml2-3-0.jpg http://h10032.www1.hp.com/ctg/Manual/c01957825


the flash codes are here. page 47 ,

http://h10032.www1.hp.com/ctg/Manual/c01960471

you stumped me, the service manual shows no steady red.
why not ask at Hp.com

more manuals here
https://support.hp.com/us-en/product/hp-compaq-8000-elite-small-form-factor-pc/4065894/manuals


hp forum here.
http://h30434.www3.hp.com/

May 05, 2017 | HP Computers & Internet

1 Answer

Computer comes on. desktop flashes as in startup but then displays "no signal". red light flashing in front of computer before pressing power button


this problem is always caused most times when the following things happens to the system:
1. The VGA (Visual Display Adapter) is bad
2. RAM (Random Access Memory is BAD or needs to be cleaned ) i.e Memory
3. Finally Processor is Bad.
if any of the above things are bad please get a substitute, i mean another to replace them with so as to know what exactly is wrong with the system.

Please Rae me as soon as you get this message.

Dec 23, 2010 | HP COMPAQ BUSINESS DESKTOP DC5000 SFF - 1...

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Well when I turn the computer on the light flashes green then it flashes red what does that mean?


Means that you have warning about your hardware. Go to HP site for more info and what lights mean.Not to scare you, but that is usually something bad with power.

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My compaq d51s won't boot up


its not bios files you need i dont think but follow the link below and follow the instructions to find out what the beeps are telling you. They actually mean something.

http://www.computerhope.com/beep.htm

You will have to know the bios company. Also check out my tips and tricks for more info on the bios

Feb 10, 2009 | HP Compaq d530 SFF PC Desktop

1 Answer

Red flashing lights, will not completely start up


Do you have a windows XP cd?
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HP DC5000 SFF


Check the cables connection first.

Check if the power supply fan and cpu fan are working
If not you need to replace your power supply.


Let me know how it is going!

This will fix your problem.
Please don't forget to rate my help!
Thank you for using FIXYA!
Have a great day!
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Booting up


one light is for hardrive activity , the other is to show the power is on.. the flashing one is most likely the power light as most computers will tell you when thier ill....the beeping is an error code and should be in some pattern EG: Power LED blinks red twice, once a second, followed by a two second pause. Or something like that. Take note of the pattern and repost it here, then we can give you a specific area to look at.

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