how you can replace a power supply guide
Symptoms of a bad diet can include random reboots, random crashes of the computer does not starting at all.
By changing your diet there are a few things to consider. The most important thing is to get the right one for your team. Your computer probably uses the ATX form factor. You should also make sure you get a power supply with enough power to the hardware in your computer. 300-400 watts is enough for most computers. Make sure the power supply has enough power connections and the right kind of connections.
Replacing the power supply is a fairly easy task. Be sure to disconnect the power cord first! You can then open the box and remove the electrical connections of devices and the motherboard. Then you can draw the four screws on the back outside of the case and pull power from within. To install the new has just the opposite.