Replacing it altogether. If you are not properly trained, you could very easily be killed if you attempt to open a power supply. Purchasing a new power supply will usually cost less than $60, ensure that the problem is fixed, and probably save your life.
The best power supply I've used is the Hurricane digital power supply, it has many features my favorite being that it remembers your last settings.
You need to make sure you buy a power supply that is rated for your motherboard. Common ratings are 350w, 400w and 500w.
My boiler has just broken down. Where can purchase the best water heater on the market?
A HICAP power supply
A HICAP power supply
The power supply's regulator circuits have failed. It will be best to replace the entire power supply unit. However if it is not regulating properly it has probably severely damaged other parts in the computer. You may need to replace most of the computer!
Probably the best and easiest way to do this is to use a programmer. I recommend the Quadzilla Stealth II for the best bang for your buck.
This is not a power supply issue. Your hard drive is either broken or corrupted. If you have your original Windows install disc you can attempt a restore or reset your system. If you don't have an install disc, buy a new one because this is your best chance at getting your files back. You can also take it to a professional to have it looked at.
The best power supply cord for laptops is the ZIPLINQ Retractable. You can purchase the cord at your local Wal-Mart for under $10. The ZIPLINQ is a 5’ universal cord, best used on laptops that require a ‘Mickey Mouse’ style power cord. It has high user reviews and is a top choice for computer tech’s.
There are many manufacturers of programmable power supply equipment for industrial use. Specifications and pricing will vary depending on make, model and place of purchase. Comparison shop for the best deal.
You can purchase a HP 402018 001 power supply cord from stores such as Best Buy or retailers such as Amazon. You can also purchase the cord used from eBay.
http://www.voltdepot.com/power_supplies/camcorder.php Offers a listing of places to buy camcorer power supplyies.