Which power supply do I need?

August 15, 2012 at 05:56:14
Specs: Windows 2003, P 4/1GB
recently my powersupply died.
It's an old computer (Celeron 700MHz, 256 SDRAM, 20GB HD+ 160GB HD, no floppy or cd).
How do I know which power supply I need?

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August 15, 2012 at 06:04:01
Any > 200W power supply will work with your PC. Just make sure it has all necessary connectors for the motherboard, and you`ll be fine.

Also check if your other PC components are affected by the broken PSU.

Google is your friend



Have a GREAT day!

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August 15, 2012 at 06:25:04
How do you know your power supply died? Many times when a power supply fails it can destroy the motherboard too.

I am not sure that spending any money on that system is worthwhile.

If you really want to try, then I suggest you go to a small computer repair shop and pick up a used power supply.

Older hardware used more power off the 5V rail than more modern ones do. You probably don't need much power but you do need the correct connectors.

There are many versions of the ATX standard. You should try to match the version you currently have for best results. I would imagine if you found a shop with an old power supply lying around they would let it go for $5 or $10.

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August 15, 2012 at 15:09:16
A 9v battery could power that thing.

As long as it uses a standard ATX motherboard, nearly any power supply will work with it. A machine like that would pull around 45w from the wall, and the smallest ATX PSU I've seen was 200w. As OtheHill mentioned, small computer shops usually have tons of old power supplies in storage.

If you come across a Dell power supply, don't use it! Back in the P2-P3 days, Dell used their own version of ATX. Dell PSUs looked, felt, and smelled like standard ATX components, but they changed a few pins on the motherboard power connector. Plug a Dell PSU into a standard ATX motherboard, and you'll see smoke.

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