Question about HP Compaq Presario S5100NX (DM172A#ABA) PC Desktop

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Compaq presario s5100nx won't power on

I have a compaq presario s5100nx and the problem is when i push the power button i can hear the fans come on but the monitor is still black with the power button on the monitor flashing orange...what do i do? i have tried the pull the battery out trick and others i googled around for now i am just stuck.

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  • 69 Answers

Additionally to what the previous answer stated, the fact at the fans spin, etc. Does not necessarily mean the PC is running. Check for hard drive activity, (hard drive spins too unless solid state drive), blinking green lights and processor noise as PC is restarting... do you hear OS chime? Stuff like that... you could try another monitor or tv (if possible through an hdmi port) to see if you can get a signal out of the computer.

Posted on Jan 09, 2018


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  • HP Master
  • 5,415 Answers

No monitor stated, ! wow. (hard to help this)
generic PC 101:
1: test this monitor on any other PC.(vga)
2: test this PC on any other VGA monitor .
either test above quickly proves which end is bad.
easy no?, just one simple test and 1/2 the causes go byebye...

if the PC goes dead the monitor goes to sleep mode. and HP monitor shows yellow power. lamp.

I will do simple monitor tests now
even with NO PC connected. (basics)

1: most monitors will even a sign on message, with no PC.
a HP logo graphic, Compaq logo shows. or some text.
newer monitors show logo message "energystar" every time.
then shows..... (the last means PC is setup wrong)
errors. then goes black.

if it shows nothing ever, the monitors 15 year old
CCLF tubes inside are now dead, 99% are now.
the LCD back light lamps died long ago , on most.
if the back lamps are good from year 2003,.wow
then.... (like finding 1995 car that runs)

the monitors OSD screen on most will work now.
on demand !by YOU.
for a few seconds, lacking a PC connection.
power on and hammer the menu key see OSD.? even for 1second.
This works best with working PC, the OSD will not work at all with a dead PC but some screens can be tricked into showing the OSD for few seconds at power on, no PC conn., (it's super good to know these facts,when screen is dead or partly)

you asked about the magic batteries. (cake walk)
well sure, all 15 year old PC have bad RTC coin cell battery on the DESK top , inside mother board.
if never serviced for 15 years it is bad.
replace it, (below 2.9vdc is bad battery(metered)
remove it look at number and get one at walfart.
2032 cells are common

(camera dept, or watches)

my nice test monitor (tech)
HP lE2000x (led) nice and small.
power on (no PC connected)
blue lamp power button glows every time it gets power.
Large menu pops UP, shows scanning VGA/DVI and more for 2 to 3 seconds
then a large white menu pops
and shows "monitor going to sleep" in clear English. (means PC is dead , this case missing)

the blue led power lamp goes from blue to yellow
and screen is now black. (all 100% normal)
these are what all LCD do powered on.

if the monitor is totally 100% dead all ways from Sunday, then it is. as all are now with CCLF tubes
99.9% are dead, if used.
the lamps last 20,000 hrs and DIE.compaq presario s5100nx won't power on - 913c8268-90a1-42b6-be05-ed78514f589e.jpg

Posted on Jan 08, 2018

  • 1 more comment 
  • Larry Ng
    Larry Ng Jan 09, 2018

    this monitor? do tell and win prize (happy helpers)
    HP f1503/f1703

  • Larry Ng
    Larry Ng Jan 09, 2018

    the above menu is OSD monitor onscreendisplay

  • Larry Ng
    Larry Ng Jan 09, 2018

    if the monitors works ok, then we do PC end
    and that too has many tests.
    fans running is first 2 to 3 fans must work inside. not just 1 fan.look at them
    the PSU fan must be good
    the CPU fan must be good.
    optionally GPU fan present and sure must be good.
    good means spins at full speed and not packed up in lint as all old PC are.
    and the heat sink it blows is not packed in lint as all 15 year old PCs are packed.
    never serviced,!
    Chips that can not be cooled fail or just
    self turn off, saving their bacon, until the owner does service. proper. all pc's do that, ignored.

    example of zero service here.



6 Suggested Answers


6ya staff

  • 2 Answers


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Posted on Jan 02, 2017


Jeff Strader

  • 749 Answers

SOURCE: need network controller software for compaq presario s5100nx

your driver is available here:
scroll down to where it says original drivers (in blue)
the second one is the network addaptor. download it it your desktop and then install and restart the computer.

Posted on Apr 09, 2009


  • 2 Answers

SOURCE: compaq presario sr215onx wont boot up

Go to and download boot files for your operating system (ex. Windows XP). There are software for floppy disk which is the easier way to get your boot files. If you do not have a floopy you will have to get the CD files, there you have all the instructions how to get the CD. Once you get the files, insert the floopy or the CD and reboot your computer. The filse should be installed automatically, if not do it manually and reboot computer again.

Posted on Oct 30, 2009

Mike Waldron

  • 1019 Answers

SOURCE: My Compaq Presario SR1650NX wont boot the light in

refer to the users manual, or download if possible.
Yellow/Orange could mean that the computer is In Hibernate/Sleep Mode et,c. usually restored by pressing certain keyboard keys Or pressing and holding the power on button For 4 seconds or more.
Other Possibility ( graphics/VGA driver or device, Corrupt Or missing )
You could change the graphics card, Or remove the motherboards Cmos Battery, for 10 seconds, which will restore the Computers Bios, default settings.

Mike @ compurepair.

Posted on Nov 04, 2009


  • 13 Answers


Could be one of two things: either the power supply is going bad or the RAM is either going bad or isn't seated properly inside.

First thing I would try would be to re-seat all the memory chips inside the computer. There could be up to 4 sticks of memory in some computers. If this doesn't work, try pulling the memory out of the computer one stick and a time and booting the PC. If it boots, you've found your bad memory stick. Put all the others back in and replace the faulty one.

If none of this works, you might consider calling HP (maker for compaq) for support on getting the power supply replaced.

Posted on Jan 22, 2010


Lou H

  • 94 Answers

SOURCE: compaq presario doesnt boot upon powering up

boot into the bios or if bios support diagnostics boot into that (typically F1 of F10 on power up) If that is not an option boot off the CD recovery disk and run diagnostics on the HD. Let me know we can take it from there.

Posted on Jan 30, 2010

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what monitor.? name and model... vast exist... no all work.
test the monitor first on known good PC that is 1st 1st.
does the Monitor (its button) OSD screens work,, if not monitor is toasted (good power in) if monitor is 2001 relic, some have hidden inside, power saver clock (turn it off , using OSD screens)

no it's not your bios, like the www, myth loves to repeat, ad nausum
here is the correct mess order.
But BIOS screens are the 1st GOAL always,,,, your not there yet.

1: test the monitor first, on other PCs when sure its good move it to
the Presario SR1810NX (and a good known monitor)
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that means SKINS off, omg, the fans are packed in lint , omg2, the CPU fins on its heat sink are packed, bad. (a yearly event)
A CPU can overheat fast, if not able to stay cool.....
CPUs go slower or even halt if the they see massive heat rise.
(built in self preservation mode)

all fans must run and flow air, as the designer wanted. for sure.
then make sure the fan in the PSU runs, if yes, good. if not you lost 12vdc to the fan, bad PSU.

PC sounds to be working, yes?? what do you hear now? a key fact?
push the CD/DVD eject button if it can not eject the PSU is dead.
there are more steps. lots more.
Even the HP service manual tells you how to test the PSU, read that?

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