Question about HP Compaq Presario SR1630NX PC Desktop

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I have a Compaq Presario SR1830NX desktop, I leave it on all the time, when I got up this morning, it was off, so I pressed the power button, but it doesn't power on, nothing happens.. I checked the power cords, etc. I then opened it, unplugged the PSU from everything, then I put a jumper across pins 15-16, plugged it back in, and the fan on the PSU would run, but don't know what else to do.. Thanks in advance for any advice you may have, Sandy

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  • HP Master
  • 1,498 Answers

Step 2 the TECH uses a voltmeter and checks all wires on PSU for correct voltage.

PSU in Desktop dead, my guess fans dead too right>
you never said, what it does inside PC ,except nothing
does nothing mean dead silence?
the fan must run for 1second, then goes off.
a 1 second run tells me the PC power switch told the MOBO to turn on and in turn it tells the PSU to turn on,
the PSU then turns on for at least 1second,and if the voltages are ok
then the PSU stays on, else off goes.

15 and 16?
the 20 pin older supplies those are both ground
but 24 pin ATX pins are correct there.
the voltages are here.
https://en.wikipedia.org/wiki/ATX


There are 2 causes, of dead power button.
1: the buttons 2 wire cable ends fell off. at button or PC mobo.
2: The PSU is bad.
3: the MOBO is bad.

The mobo can also shut off any PSU, if the PSU fails
or it sees the regulators in the MOBO fail.
the Desktop runs on many power rails.
some in the PSU, others on the MOBO.
THe mobo creates special low voltage for the CPU.

the power good pin, does that #8,
One way to see if the MOBO is overload
is to remove things from it, I start at RAM
lacking a voltmeter, this is very hard to fix any thing electric.
only guessing or pulling objects PC can find shorts.
pull all power cables there, hdd, power, cdrom.
all things that use red/yellow wires.
all SATA cables, all USB , then ram. even a fan can short
a good tech keeps an open mind, and finds why the PSU shut down.
in most cases, the PSU is bad. but not always.

This is a feature, of ATX it keeps you from blowing up say a
$300 microprocessor.... or fancy gaming Video card (have one)?
yes, pull the video card too.

Posted on Jun 27, 2017

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siawolf
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SOURCE: HP Compaq Presario SR2013WM ...Power Problems ?

Unless the power button sticks or does not pop back out, i doubt the issue is in the switch, but it can be tested by replacing it with a momentary switch from Radio Shack (not an exact fit, but good for testing)
This sounds like a power supply issue. That would be the first thing to check. If it is NOT connected to anything except the power cord , it shouldn't run unless switched on.
Could also be the motherboard, but before you start dismantling the computer , check the obvious. Open the case (usually to screws on the back) inspect all the cables, reseat your ram chips and addin cards.
Not to scare you ar anything, some of these presarios have bad capacitors on the mother board. coupled with the fact that they are difficult to clean (inside) and airflow is not maximized in the case, they tend to cause the capacitors to swell and leak, losing voltage.
When you are inspecting the insides of your case, take note of any capacitors (little cans with crosses on the top) on the main board inside around the CPU fan that are swollen or leaking.
If you find these in bad condition , i would replace the motherboard.

Posted on Apr 04, 2009

MAD ICE
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SOURCE: HP Compaq Presario SR1820NX will not turn on

i worked for hp and compaq it is well known issue to reslove this issue

1#turn off the computer and uplug the power cable from the computer and then hold the power button for 20 second then turn on the computer and the momment you back to desktop screen
go to download driver from hp site and here is the web site http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=pv-43507-1&lc=en&dlc=en&cc=ca&lang=en&os=228&product=1841849 and restart the computer .

Posted on Apr 15, 2009

pankaj_dic
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SOURCE: Compaq Presario SR1650NX will only

DO one thing remove the RAM from the slot , then insert it again, then check

Posted on Sep 17, 2009

Oz1286
  • 31 Answers

SOURCE: Black Screen Compaq Presario

Do you see the BIOS splash screen or anything?
Try booting into safe mode by pressing F* as soon as you power on the computer. If the monitor works, then it is a bad driver. Roll back to a previous restore point, boot to last known good coonfiguration. Last Known good configuration is available from the same as the safe mode screen.

If this is helpful, please comment and rate. Have any other questions, please let me know.

Oz

Posted on Feb 12, 2010

  • 71 Answers

SOURCE: Compaq Presario SR2150NX doesn't turn on. Front

On the back of the Power Supply there should be a Green LED, When you power it on if it is flashing, this means that the Power Supply is dead and you need to replace it.

Posted on Apr 15, 2010

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1 Answer

Compaq presario sr1830nx hdmi card


Most graphics cards nowadays have an HDMI port. How about just upgrading to a graphics card, or a better graphics card, that has one?

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=5699691&CatId=3669

http://h10025.www1.hp.com/ewfrf/wc/product?cc=us&lc=en&dlc=en&product=1843675

Graphics card has a Minimum requirement of 400 Watts.
This is power for the graphics card, AND the rest of the computer system. (Motherboard, Processor, Ram Memory, Optical drive/s, Computer case fan/s, etc)

Compaq Presario SR1830NX Desktop PC comes with a 300 Watt power supply, AND it is overrated.
Power is more like 60 to 70 percent of the stated maximum rated Wattage.

180 Watts to 210 Watts.

This example will work,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=899123&CatId=1079

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00595250&tmp_task=useCategory&cc=us&dlc=en&lc=en&product=1843675

http://h10010.www1.hp.com/ewfrf/wc/document?docname=c01356113&tmp_track_link=ot_recdoc/c01039210/en_us/c01356113/loc:1&lc=en&dlc=en&cc=us&dest_page=product&product=3376908

For additional questions please post in a Comment.
Regards,
joecoolvette

Sep 01, 2012 | HP Compaq Presario SR1630NX PC Desktop

1 Answer

On off button not working


We need to follow some Troubleshooting steps

power off the tower
disconnect the power cable
1.open the side panal of the tower
2.then open the front panal of the tower
3.the please toggle the power button from inside the tower
4.then put back the front and the side panal
connect back the power cable
restart the pc using the power button
it will start working

Jan 13, 2011 | HP Compaq Presario SR1830NX PC Desktop

1 Answer

Which is the newest model? SR1429NX or SR1830NX? Sandra.boelter@yahoo.com


The SR1830NX Entered CNET Catalog on 06/10/2006
The SR1429NX Entered CNET Catalog: 04/24/2005

Chris
Anchor Installations

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1 Answer

The speakers won't work


See if your sound driver is install. Connect a headphone on it. If the headphone is OK, it may be the speaker which is faulty.

Feb 21, 2010 | HP Compaq Presario SR1830NX PC Desktop

1 Answer

Hp compaq presario sr1830nx will never go past error page that asks which mode ud like to start in..If i pick any the screen goes black after


You will have to Boot on a Windows DVD, and do a "Repair Install" failing that you will have to completely re-install Windows. from the DVD

Feb 11, 2010 | HP Compaq Presario SR1830NX PC Desktop

1 Answer

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.

Jan 30, 2010 | HP Compaq Presario SR1830NX PC Desktop

1 Answer

HD 5750 will not work with this machine. No graphics.


your hp motherboard may not be compatible with hd 5750.

Nov 30, 2009 | HP Compaq Presario SR1830NX PC Desktop

1 Answer

Compaq Presario 5000 won't turn on


hi,
The machine is getting the power but no display.This seems a RAM or motherboard issue.
1.Press and release NUM Lock after turning on and if it is responding this is a RAM issue and if not then the mainboard issue but before all refix the RAM once.
Thank You.

May 30, 2009 | HP Compaq Presario SR1830NX PC Desktop

1 Answer

Need a new processor


According to Compaq's web site, it takes a Socket 939 and the following processors:
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Be sure that if/when you buy a CPU it is not Socket AM2, which is more common. You want Socket 939.

Mar 14, 2009 | HP Compaq Presario SR1830NX PC Desktop

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