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Re: pc wont turn on
Do you read something at your monitor when pc starts?
can you open Bios setup pressing DEL ?
If you dont see anything on the screen perhaps there is faulty graphics card or display monitor.
do you hear any beep-beep when push power on?
observe and describe what happens when pc starts.
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It does sound like a psu problem, if you are comfortable with opening your pc then (remember to use anti static wrist band rubber matting etc) and remove the psu and give it a good dusting (as the dust does collect in on the fan and inside the unit itself (please be careful when working with this unit as it is a power unit and can be dangerous) put unit once cleaned back into the pc making sure you reconnect everything carefully. (if you are not sure rather take it to a professional as you can do some serious damage to your mother board and or peripherals. but this should give a few more boot ups ultimately you could replace it with a new PSU.
the PSU has Problem . It is not supplying enough voltage to boot the PC, capacitors inside the PSU are weak or damaged. Its dangerus to open the PSU coz, Capacitors have high voltage currents. If you have the Knowledge of electronics, then open the PSU and detect the Weak or Leeky Capacitors and replace them with new one( this method is for experiment and thrill) . But the replacement new PSU is better , perfect and cheaper then repairing the psu from outside. best of luck
Try this to get it at-least back on with your PSU that fits in the case.open up yourcomputer case, locate your power supply. With the AC cord still plugged in , unplugged the connectors to your motherboard from the PSU and wait about 10secs. Then replugged them in. This should power on your PC. Also, You wanna check around where the PSU connects to the motherboard and make sure there is no damage. No burning,Discoloration anything that could be potential damage.
Hope this works atleast to get the PC booting up.
The blinking light is telling you something about the PSU. First check any AC mains voltage select switches for proper setting. US should be 115. Second if you have a multimeter, you could test the PSU for voltage. Disconnect all power to all components. remove all components from the board including cpu, memory . Leave the PSU only plugged into the board. Press power. If the fan turns on then it's not the power supply. The brand power supply isn't the best, I've seen where you need to wait for 5-20 minutes for the blinking to stop, at which time it will fire up. Now, if it doesn't power up, then it's most likely the PSU.
You might try this. Shut down the computer, disconnect power cords, disconnect everything at the back of the computer, mouse, key board, etc. Open the case, ground yourself by touching an unpainted area of the case and remove the power connectors to ALL optic drives and floppy drive if you have one. (Of course do not disconnect the hdd.)
Reconnect mouse, keyboard, etc., and power cords to wall outlet.
See if it will post now. If it does I say you have a faulty power supply.
I was given a computer which was doa. It would not post, after I tried the above routine it posted then booted to windows.
I replaced the psu and now the computer works fine.
Hope this helps!
Open your computer case and disconnect/remove any hard drives, cd-rom/dvd drives, take out any extra cards installed (except video card unless you have onboard then take out the video card too) and all but one stick of ram. Turn the computer on
- if it turns on, plug in each item back one at a time turning back on and off each time ( power trip will cause the pc to not turn on)
- if you smell anything weird from the PSU unit DO NOT try anything further, replace the unit.
- if you have overclocked your computer, use the jumper on the board and reset your bios
In the event you need to replace your PSU unit if Antec is an option, go with that. They are very stable.
There wouldn't be anything from the PSU giving power to your keyboard and mouse. The mobo handles that unless your giving your mobo the wrong amount it needs which might be why your P2P and USB arn't working. Although it is odd that your mouse isn't working with P2P as that requires less power.