My computer won't turn on. It was working perfectly the night before. But now, when I push the power button, the pc turns on for a second and then off (the case fans, cpu fans, and cd drive turned on for a second and others). I'm not sure what the problem is. The LED light on my motherboard is on like usually. I did the paper clip test with the power supply (unplugging the power to the motherboard, and using a paper clip to connect the green wire to a black one), and the case fans were running fine. Any help would be nice. Thanks!
What you need to do is reset the bios. If it wont void a warranty..and don't blame me if you ruin your computer, even though this is completly safe.
Unplug your power supply, push thepower button to get rid of extra saved up juice, then take you side panel off and locate your cmos jumper near the battery. You need to position the jumper on 2 of the pins and keep it there for 8 secs. Then put your jumper to origional position and restart your computer. You will have to reset your time and all of your bios settings. YOu can load optimal defaults if you arn't sure what to select.
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Sounds like it is locked up. There should be a power switch on the back. Switch it off, leave it off for a few minutes, then turn the back power switch on again and push the front power switch. If no rear switch, pull the plug. Windows doesn't like hard power downs, but if your system won't recognize the keystrokes or mouse movement, tere is nothing else you can do.
this is most likely a short in a computer component, You need to unplug everything from the computer incl CPU, Memory, Add on Cards, Hdds, the lot, just have motherboard plugged in and push power, if it powers up (there won't be a pic but you will know it's working) start replacing parts one by one until it won't start and that is the faulty part. If it does nothing with just motherboard plugged in the motherboard is at fault and needs to be replaced, If you have had the motherboard out make sure no of the metal mounts in the case are shorting out anywhere under the motherboard as this will also cause the same fault.
More than likely yes. It isn't good practice to cut power to your PC every night. Although I understand that you are most likely doing this for energy savings, it isn't necessary and isn't good for your PC.
A replacement power supply for your computer, according to its spec sheet, must be at least 350W. Power supplies are variable in quality, you get what you pay for.
I recommend a Corsair CMPSU-430CX because I've personally had good experience with their products, and this power supply is relatively inexpensive and meets your requirements. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139017
How to replace a power supply: http://www.hardwaresecrets.com/article/362
If you do not feel comfortable with replacing it yourself, there are numerous services that will replace it for you, just make sure they don't replace you power supply with a low quality one.
Check the power source to the computer (both ends of the cord), if a surge protector is in line with the power , remove it and plug the computer straight into the wall. also check the wall plug with a lamp or something to ensure power there. make sure the switch on the power supply hasnt been changed to the 220v side.
If no power at the wall- check your breaker box in the house
If it works plugged straight into the wall- check the surge protector
If power at the wall and plugged straight into the computer (no surge protector) and nothing lights up when you turn it on- have your power supply checked.