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I have a Compaq PDP124P power supply that arcs when power applied. This has happened to 3 different power supplies (3 different HP d530s) in 2 months. I have read there is a glue problem but have not found how to remove it or a suitable replacement for this power supply. Can you help?

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  • equinefan Jul 29, 2010

    I will try your solution. Thanks.

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Hi power supply usually go bad after being use for for some time,this link show step by step along with the photo how to remove the power supply http://webdevsys.com/d530RemovePsu.htm it is very useful Compaq power supply

Posted on Jul 29, 2010

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I have an HP Compaq PC. A d530s running Windows XP Professional. When I turn the PC on, the power light flashes red 4 times (1 red flash per second). Pauses ~3 seconds and repeats the red flashing. Just...


A bad power supply, OR a bad motherboard. And I hate to tell you, but it's more common for the motherboard to fail first. Especially in those HP/Compaq slimline PCs.

It's because there's very little airflow, and system overheats and burns out. I've had many customers with the same issue.

The good news is you can still recover your data from the hard drive, just take the drive out, and hook it up inside another desktop with SATA connections, or get a SATA-to-USB adapter, they cost about $15

Sep 03, 2011 | HP Compaq dc7100 Ultra-slim PC Desktop

1 Answer

Green light in rear flashing won't part up


The green light flashing is a diagnostic LED light, telling you there is a power failure.
More specifically a bad Power Supply.
Weak voltage power rail.

The Power Supply used in a Compaq Presario SR1010Z desktop computer, is a 300 Watt unit, and is an ATX form factor.

[ATX form factor for a Power Supply, denotes the size of the Power Supply case, and the shape.
It is approximately 6 inches Long, 6 inches Wide, and 3-1/2 inches Tall.
The ATX form factor for a Power Supply is used in over 90 percent of the personal computers out there, and is as readily available as the air we breathe]

Usually, HP uses one of three generic Power Supply manufacturers.
1) Bestec
2) Delta
3) HiPro

All are low quality Power Supply manufacturers.

This is HP Support, and the main menu page for the Compaq Presario SR1010Z desktop computer,

http://h10025.www1.hp.com/ewfrf/wc/product?product=1146324&lc=en&cc=us&dlc=en&submit.y=7&submit.x=6&lang=en&cc=us

If you click on Manuals, then on Upgrading and Servicing Guide on the following page, there are instructions on how to open your computer case.

This is instructions on how to replace a Power Supply, from HP Support,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01356113&cc=us&lc=en&dlc=en&product=3548196

(It's for a Pavilion a6230n desktop computer, but after you open the computer case of your Compaq Presario SR1010Z, the instructions are the same)

What Power Supply would I recommend?
There are 100's to chose from.
This is but one example,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3276575&CatId=1078

Chosen because;

1) Maximum wattage is rated at 450 Watts.

A computer ONLY uses the power it needs, and NO more.
Wouldn't matter if you had a 10,000 Watt power supply, (No such thing. An exaggeration), if your computer only needs 100 Watts, it would only use 100 Watts.
(Surfing the internet typically uses 100 watts)

2) Has all the power cables you'll need, and more. Tie up the power cables you do not need. (Use plastic ties, Not wire, or bread wrapper ties)

3) 24 Amperes (24A) on the 12 volt power rail.

4) 135mm cooling fan.
The cooling fan on the Power Supply you have now is 80mm.

A larger fan turns slower. Produces as much air as a smaller fan, (Or more), but makes less noise.
Less wear on the fan's bearings also.

5) Is an ATX form factor Power Supply.

6) It's 80 percent efficient, compared to the 60 percent efficient Power Supply you have now.
(That is, if it was working)

Sep 12, 2010 | HP Compaq Presario sr1010z PC Desktop

1 Answer

Computer won't turn on!


what it might be is that your hardrive or power supply is not working and that you need to have it replaced

soory i couldnt be of more help!!

Jul 22, 2010 | HP Compaq d530S PC Desktop

2 Answers

Hp d530s problem restarts by itself (Windows XP Pro. I tried different hard drive, still same. The CPU and the power supply are very hot. The fan makes noise sometimes. What could be the problem? Thanks!


Scan the system for viruses. If no virus found check ur power options settings in control panel. Still u experience the same problem just uninstall anti-virus program from ur pc. This will fix ur problem mostly.


Jul 21, 2010 | HP Compaq Evo d530 PC Desktop

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Hp compaq d530


Then it's truly dead, replace it. If you're lucky it hasn't fried the entire pc.

May 11, 2010 | HP Compaq d530S PC Desktop

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PC won't power on. Compaq SR5410F


IF you have another power supply you can use, try it and see if the computer will power up.

Oct 29, 2009 | HP Compaq Motherboard

1 Answer

RE: HP Compaq D530S desktop PC


there is no extra room the only way is upgrade the hard drive whid a biger one man and the hard drive is eide interface if you atenp to bye one thanks

Oct 17, 2009 | HP Compaq d530S PC Desktop

1 Answer

HP d330 fried during pwr serge, fixed, boots but no screen signal


there are several possibilities. 1. replace the ram, make sure that its a good working ram module. 2. review all your work from system board to power supply. 3. try running it temporarily without the cmos battery. 4. check your monitor. 5. check your VGA. 6. retry and retry.

Jul 13, 2009 | HP Compaq Business Desktop dc5800

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