Question about HP Compaq dc5100 PC Desktop

4 Answers

PC won't Boot Up

HP Compaq DC5100 MT
Turn on Power 5 beeps but wont boot up also has a Red light on by the
Start up button
Alan Barker
J.barker5@ntlworld.com

Posted by on

  • Anonymous Mar 15, 2014

    POST COEDS ARE 4 PAUSE 4 PAUSE 4 PAUSE 4 PAUSE ON POWER UP NO DISPLAY TO MONITOR AND NO ACCESS TO BOOT

  • Anonymous Mar 28, 2014

    it beeps on start up, there is power, the hard drive indicator light is on, but there is nothing registering on the monitor

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4 Answers

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Here is what is says in the owners manual in what to do in this case, Hope this is a Help, Happy Holidays
Red Power LED
flashes five times,
once every second,
followed by a two
second pause.
5 Pre-video memory
error.
1. Reseat DIMMs. Power on the
system.
2. Replace DIMMs one at a time to
isolate the faulty module.
3. Replace third-party memory with
HP memory.
4. Replace the system board.
Red Power LED
flashes six times,
once every second,
followed by a two
second pause.
6 Pre-video graphics
error.
For systems with a graphics card:
1. Reseat the graphics card. Power on
If you need anymore let me know and I will post them for you.

Posted on Dec 15, 2007

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  • 556 Answers

Did you recently change the memory or open the case to perform some tasks?

Posted on Dec 15, 2007

  • david Dec 15, 2007

    Sir;

    A response that you had not opened the case would have been appreciated, assuming that was the case

    From another manual possibly for another machine indicates the 5 beeps could indicate a memory issue. I have worked on many machines with their case's open and this does occur periodically after making hardware modifications. The number of beeps and the status of lights on the machine are different from machine to machine. One common cause of this could be improper memory installation another could be memory failure. IF you are suitably skilled to work inside the box there were suggestions to attempt to operate the machine on one memory stick at a time to see isolate one or more that may be failing. There could be other reasons but in the end something failed in the boot process prior to your machine being able to activate the video system and display a message on the monitor.

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You have to setup your Ram again by unplugging.......

Posted on Jul 27, 2012

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You have a AMI bios in your Compaq. Click the link and scroll down till you see AMI Bios Beep Codes.
http://www.computerhope.com/beep.htm

Posted on Jan 01, 2008

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Posted on Jan 02, 2017

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My hp prodesk 405 g1 mt keeps beeping 4 times in a row, pauses, then 4 times again. Repeats this process 4 times and wont boot with the power light blinking red. Help!!!


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Pc giving 5 beeps and no display


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My hp compaq dc5100 mt on boot would have a series of 5 long beeps, paused for a few seconds then start over again. This went on for a series of 5 times, so i cleared cmos buy unplugging power, holding...


wow its telling you what is wrong. nice no?
the HP manual covers this, as does all HPs ,ever seen that?
there is no lack of answers nor lack of tests, not EVER.
any A+ Certified tech can help you,, it's super easy. that.
DC5100-MT is the real name with dash
and MT means mini, not SFF. ok got it.

ill first do age then spec, to see what this is.
its old for sure with Compaq logo, (relic in my book)
did you replace that old BIOS CMOS coin cell yet/.?
they dont last this long, clear?
desk top PC,

what is this thing>?
Holding cmos button.
there is no such button, only power and RESET on the outside of DT cases.
did you play inside. that it? do tell what you did in DETAILS.
when you power on, do all fans run, this is FIRST do they>?

I say PSU is dead, now. if fans dead.
a tech uses a voltmeter to check all PSU bus wires for proper voltages. 5v 12vdc from 5 to 10 wires. there.

curious, why ask here and not HP.com where you get faster and 10x better answers. ???
Compaq and HP changed BIOS many times, and the beeps are all different. since screen is dead i cant ask you to read what BIOS is there on said screen,its too late now. but i found your old 2005 book, seen below....

fans dead, why not report that first.??
you turn it on and the fans must stay on, for 1second
after 1 second if the PSU sees (or mobo) sees errors in power bus
it shuts its self off. all DT do that ,desktops.
fans?
then make sure the fans are not packed in LENT
the CPU shuts down in seconds if fan dies. or heat sink falls off it.

ever see this?
This safety feature prevents say blowing up a $300 processor, not yours its old $5. p4


https://h30434.www3.hp.com/t5/Desktops-Archive-Read-Only/beeps-5-times/td-p/294004/highlight/true/page/3


it is a relic, a Pentium 4, ID retire it.

came with XP or Redhat Linux new. or w2000

oh my gosh, (OMG) it had a minitower version with same p/n
Ok 5100mT is minitower.
so the PSU is standard? on that I thing
show me a photo of it?
at HP forum. (in in you book seen below)
the magic trick is powering on with no memory,
powering off, push power button with power cable removed
wait 5min, put back memory sticks.

THE MT version came with windows 1000 up to VISTA
birth date early 2005, says HP.com
ohh, and to type dc5100-mt with no dash HP goes lost. wow.

the beep pages on the below is here, at HP.still after 10 years.\
http://h10032.www1.hp.com/ctg/Manual/c00441828


page 2-21,. tells you what 5 beeps mean, amazing in the book.no?
RTM first the ask.?


c03196804-qe0da0bh13xzgfw2v4kvhu03-2-1.png
does PC fail it all cables removed, not Power cable.?>
by fail mean fails to turn on run and fans blow?
and not beep.? if yes plug in VGA, see anything there
if PSU stays UP?
The PSU must stay on, does it, as must fans
this is step one, and not stated clearly.

atx-qe0da0bh13xzgfw2v4kvhu03-2-2.jpg

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1 Answer

After cmos button reset won't boot


Go back into BIOS and set defaults. Take a look at hard drive while there. I have a similar model!

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3 Answers

Won't boot. Series of Beeps plus red light


If nothing was displayed on the monitor during the beeps then change the RAM stick(s)

Thanks

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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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My DC5100 Gives beep sound


This is almost definitely a RAM issue and usually its the ADD ON memory. The way to find out is to test each one separately on the same slot.

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Hp compaq d220 mt tower


what kind of beeps??
long beeps point to faulty memory.
one long two or three short beeps point to faulty videocard.
the devices might just have come lose......
please describe the beeps

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