Question about Compaq (243890-001) 250-Watt Power Supply

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IT IS NOT WOKING

HOW TO REPAIR A COMPAQ POWER SUPPLY WHICH IS NOT WORKING

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You cannot economically repair a power supply.

Unless there is a glaring burnt solder joint you have to a scope and a schematic plus access to parts.

The average cost of a replacement unit from a PC shop is less than £25

Posted on Jun 03, 2009

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Compaq gc668aar will not startup_startup repair will not fix


http://h10025.www1.hp.com/ewfrf/wc/product?cc=us&lc=en&dlc=en&product=3436819

It isn't a Processor problem

(Or is there a series of beeps, and the fan is running wide open?)


[ Just curious. Call it a poll, if you will.....
Did you follow Anti-Static Precautions, and did you Thoroughly clean the Processor, and bottom the Heatsink; plus correctly apply, fresh new Thermal Paste? Reply in a Comment ]

Where did you get the Start-Up repair from?

What does the router have to do with this?

Do you get any BIOS Beep Codes?

You have another 'Compaq processor'.
Do you have another KNOWN to be good, Compatible Power Supply also?

Post back in a Comment

Regards,
joecoolvette

(Computer turns on does not = Boot.
When the computer boots it means Windows is running.
Power Supply turns on is also mistaken for computer turns on.
No it didn't. The Power Supply turned on, is all,

http://en.wikipedia.org/wiki/Booting )

Dec 17, 2012 | Compaq Computers & Internet

1 Answer

My notebook suddenly showed hybernating while i was woking on it and now it won't turn on


your note book hibernates when the battery power is low so if you connect it to your power supply it should come on again if not chances are your power supply\battery charger is bust replace it much cheaper than repairing it

Oct 11, 2010 | Computers & Internet

1 Answer

How to repair power supply? it's not work. how to


I recommend you do not try to repair the switch mode power supply, Mains voltage equipment are dangerous if you do not know what you are doing.
Switch mode power supplies are not expensive to purchase, I suggest you purchase a new ATX switch mode power supply. There may not be many 120 watt available, but higher wattage power supply are more common, the mounting holes are standard.units

Aug 16, 2010 | Compaq (176763001) 120-Watt Power Supply

1 Answer

No picture or sound!!


Call the tv warrenty serviced repair,tv under a one old right?The tv power supply board is dead,need repairing by replacing power supply parts call like capacitors common parts dies by leaking gases in the power supply board.

Jul 07, 2010 | JVC LT-40X776 40 in. LCD HDTV

1 Answer

My compaq presario 2100 will not start up the power cord plugs in and when you wiggle it it somtimes would work but now wont at all. thank


1. You possibly have a damage ac cord
or you have damaged connecting plug at the PC .
2. try to obtain a new AC cord.
3. Another possibility is the power supply for the PC needs replacement.
4. A PC technician can determine this for you.
Contact Compaq for repair rates because most likely this is a special power supplied system.

Mar 11, 2010 | Compaq Presario 5000 PC Desktop

1 Answer

Compaq presario power supply


You probably need a new power supply. Check the capacitors inside the power supply, they're probably popped. If they're not popped, bring it to a computer repair shop and have them test it. Your board could be bad, too.

Jul 03, 2009 | Compaq Computers & Internet

1 Answer

Have power but not picture or sound


check the power regulator at power supply and filter cap

Jul 02, 2009 | Hitachi 51F500 51" Rear Projection...

1 Answer

THE COMPUTER IS NOT WOKING


Check the power cable/cord for continuity with your multimeter ok. Make sure also that the mains or power outlet is giving the right voltage. This is also done by the use of the multimeter - either analog or digital - any one at your disposal can do ok. if all work well, then the power supply unit should be removed from the system unit, connected directly with the power cord and then bridged. That is at the secondary output which connects to the system motheboard. Locate the power-on cable(normally green in colour) and bridge it with any black cable on the same row. The cooling fan at the back of the power unit should be rolling if the unit is ok. Good luck

Jun 03, 2009 | Compaq (243890-001) 250-Watt Power Supply

1 Answer

Can i get any circurt diagram for compaq power supply unit..


I found this site for schematics but am interested why you'd spend the time when reasonably priced supplies are readily available from reliable vendors. I've pulled apart a few supplies and have had some luck repairing them but overall it wasn't worth the time. Switching power supplies are not the easiest to trouble shoot. Base wishes.

http://www.eserviceinfo.com/index.php?what=search

Sep 17, 2008 | Compaq (157793001) 450-Watt Power Supply

1 Answer

HELP! NO POWER !!!


Most common reason for this would be defective power supply, if it is less than 1 year old, may still be under warranty. If older then you can usually find replacement power supply $40+ at local computer store. Not to difficult to replace, average tech could swap it in less than 15 minutes. Can test it with one of these: http://www.antec.com/Detail.bok?no=429

Jul 27, 2007 | Compaq Presario S6300NX PC Desktop

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