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Re: Dell Power Supply replacement
You can replace it with a 500 watt if you want to. 300 watt is a good watt. But if I could make a recommendation I would say go to the 450 just incase you ever want to upgrade your video card or anything like that. IF this helped please rate
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I think you're asking for trouble. The specs at the link you gave recommend at least a 300-watt supply. By the time you figure in the normal load of everything else in the system, there probably won't be enough power from the 250-watt supply to let the card work reliably, and may affect overall system operation. One of the problems with small form-factor computers is that they often use a proprietary power supply to fit the case, and you can't replace it with anything larger. This limits expansion capability. I'd suggest saving your money.
any atx power supply will work. Look on the old power supply to get the wattage rating and get one comparable. If it's 250 watt you can get a 250 or 300 watt, if it's 400 watt you can get a 400 or 500 watt so forth and so on, but I wouldn't get on of less wattage than the original. Go to newegg.com they have lots of choices and at good prices. Hope this helps.
No you don't. If you think the power supply is bad, then unplug it, unscrew it, and take it to a discount place like Fry's to simply match it. Compaq does not make its own power supplies, so they use generic ones, like everyone else does. The only thing you have to choose is how many watts you need. The original may have been rated too small if it went bad, and you many want one with more power, like 500 watts.
Most modern power supply units are of the ATX type. Brand should not matter. Your PC used a 300 watt power supply when new. You can purchase a power supply with more output (watts) if you like, but not less. You will have to purchase from a computer specialty store most likely - take the dead one in and compare it side by side with the new one before buying.
A new power supplu can't hurt anything so long as it's right for your Dell. Some Dells with ATX power connectors are wired in a propiretary way. Make sure which way yours is wired before making the buy.
You should be able to do it yourself. It's four screws that hold it in back, then all the power connectors.
If you're feeling unsure still, go to youtube and do a search on replacing a power supply....make sure you watch one in reference to a pc, not a mac or anything lol. And, when purchasing one, don't let the sales people hype you up to something with way more wattage than you need... 400 watt should be plenty for a dell 2400....it probably only has a 250 or 300 watt in it now anyways.