you should be able to find one for $30 these days.
when ram becomes infected by the power supply
The most common problem lies with the user rather than the power supply itself.The computer user hardly ever thinks about his power supply so long as it works.Therefore they'll overburden the power supply by adding hard drives until it's overwhelmed.When you add power hungry componenents to your computer you have to consider whether or not you have adequate power.WHen you have a problem with your power supply in general your computer stops working and you have to spend 30$ for another.
Computer not booting
They could over heat.
brownout
You need to make sure you buy a power supply that is rated for your motherboard. Common ratings are 350w, 400w and 500w.
You need to describe symptoms. Check oscillator frequency and power supply.
Intermittent lockup at bootup.
problems on power supply,transportation,and communication can slow down production and sales
A bad throttle sensor can cause several problems. Symptoms include rough idle, loss of power, and even power surges while driving. .
PC will not turn on and no LEDs come on at all. Sometimes, though, this can be a motherboard problem as well.
More information is required to provide an accurate answer, however common problems include internal hardware errors (which would require Microsoft repairs), and power supply errors. Power supply errors can be fixed one of two ways. 1. Unplug the power cord from the power brick, and unplug the brick from the console. Leave them unplugged for thirty seconds, and then reconnect them all, making sure they are firmly secured in their sockets. 2. If #1 is unsuccessful, a new power supply should be obtained.