Bad power supply?

Not necessarily. The green light usually just signifies power to the power supply. Amazon sells a cheap power supply tester that can verify everything on a power supply from old to new.

Take the power supply to a retailer or computer shop in your local area to be tested. Pretty standard from what I have found out.
Bestec ATX 300 12Z Rev DDR Replacement Power Supply HP 5188 2625 Have a great day.

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Yes - replace the power supply. It is flashing because the regulator is bad or there are bad capacitors in the power supply.

Most computer testing facilities will test your current power supply for free. A replacement is very inexpensive to replace. Bestbuy, MicroCenter, small computer shops and buy replacemnent from Amazon.com, newegg.com.. Just make sure you have the correct information for your replacement. The model number on the power supply would be your best bet in most cases. Good luck and have a great day. I buy power supplies as low as $15 dollars Generic

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all atx powersupplies are generic-it dous not really matter what computer it comes from unless its a high end pc requiring loads of power-if your machine is intel you may need a supply with an extra twelve volt lead(two yellow and two black leads in a little block)-but for that pc i would just harvest a powerpack out of a dead machine

You can check the power supply independently.
First you unplug all the devices,like hard disk, cdrom, FDD, card reader and any other device that is attached to the power supply.
Next is to remove the connector from the motherboard.
The ATX motherboard power connector, shown in Figure D, uses a single P1 connector rather than a P8 and a P9 connector. This connector is keyed to prevent it from being inserted backwards.


Hold IT IN THE REVERSE POSITION.
I MEAN THE CONNECTOR SIDE FACING THE WALL RATHER THAN FACING TOWARDS YOU






Next is to short the right pin as show below:




It is 14 and 15
From colour wires we may say Green and black wire.

Hope this help you to check the psu
Anything not clear please revert back..

Most likely yes.

I would also reccomend an upgrade to that PSU when replacing it.

Something in the 450-Watt neighborhood is usually a bit more robust.

Repair shop

get yourself a themaltake ps

make sure you remove the old one and take it with you to the shop or get the shop to do it for you if you dont have the expertise yourself.


hope this helps

it has a blinking lite whats wrong