Having problems with your E-Machines eMachines Desktop PC ?

Pc will not come on no power , have checked power outlet, as well as power cable, to no avail ...........still will not come on


Answers :

Have you checked the toggle switch on the back of the power supply? Make sure it is turned to the correct voltage (110 in the US). Still no power? Check the connection on the motherboard. Make sure the power supply lead from the front panel switch to the motherboard is connected. Then check all power connections to the motherboard. Secure or correct as needed. (follow the motherboard manual's diagram as to where each lead should go)
There can be several reasons why a computer won't boot up - ensuring a working source of electricity is one of them. Many units have TWO switches that actually turn the unit on. One is a button on the front panel that you press to get the unit to power up. The other is a rocker-switch located on the back of the unit where the power supply cord plugs into the computer. Make sure this rocker-switch is turned ON (it may have been bumped at some time and turned off.) If this is not the problem, read on....

Next, be sure the keyboard and monitor are plugged SECURELY into the correct ports on the back of the unit. If one of those is loose, the unit will not start. If they are plugged in, open the case up and look for any LED lights on the motherboard or component boards that may be installed. If you see a light, then the unit is getting power to the motherboard. This indicates there may be other, more serious problems.

If there are no LEDs, don't get too concerned, there may not be any (although there are usually one or two somewhere.) When you try to power on the unit, do you hear of see any of the fans inside the computer spin up? If so, then there is not a problem with the power supply. If not, then your power supply may have failed. The only way to test it is to take it / ship it to a computer person who has the instruments to further diagnose the problem.
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