What is wrong with my laptop- no power supply from the adapter? How much to fix? Please help!?

No, You cannot just use any old PSU. First of all find out which form factor your pc is, i. E ATX, Mini ATX etc. Then have a look at the back of your pc to see if the power supply fixes to the top or bottom of the case (you will know this by wherever your power lead plugs into).

You will then have to make sure that your power supply has enough watts, easy way to determine this is simply purchase one with the same wattage as the one you are going to replace. The wattage should be clearly printed on a sticker on the side of your PSU. 500W should be a minimum for a newer pc.

You also need to make sure that your new power supply has all the power connections you need for all your needs, i. E Motherboard connections, cd/dvd, HDD and molex requirements. See below for some suggestions.

- Ace 400X / 400W / ATX / PSU / Power Supply Unit £12.99 PLAY.COM Ace 620X / 620W / PSU / Power Supply Unit £17,99 PLAY.COM.

Fortunately, your existing power supply is a standard ATX12v form factor. That means that any standard ATX power supply with the correct power connectors and the same or greater wattage will work. Buying a quality, low wattage power supply is your best best.

Cheap power supplies tend to skimp on components, meaning they can't deliver the full rated power for more than a few seconds at best. Corsair, Antec, OCZ are some of the better names. Try this 400W option: http://www.newegg.com/Product/Product.as...

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