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My computer when i plug in it turn on by itselt and turn off by itselt what happened ?

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  • markus
    markus May 11, 2010

    Is there some error codes or blue screen?

    Maybe the cpu is to warm....

    Clean the cpu cooler and try igen...

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  • 145 Answers

Do three things, 1st get your anti virus updated, if you don't have one, install a good one. I recommend AVG free version
2nd Get the "earthing" of your power supply socket checked.
3rd If the above two are cannot solve your problem, your SMPS is surely a problem.
Make sure you use Genuine version of your operating system

Posted on Dec 18, 2008

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1 Answer

I have a compaq tower computer when i turned it on this morning it gives 5 double bleeps then space then 5 double bleps again


This problem happens when your computer starts? See if you've got everything plugged in. This problem can usually happen when you've got your mouse or keyboard plugged out. If the problem persists. You could have something inside your computer not in the correct place. I'm not sure what else could be the problem. Sorry.
- Steven ASAP
Here to help!

Apr 23, 2011 | HP Compaq d530 CMT PC Desktop

1 Answer

First of all, I have a Gateway Model FX7026 desktop computer. My daughter was using it when suddenly the monitor screen becomes black. She tried to turn the computer on again but nothings happen. I open...


check if the cpu fan its working fine, maybe is damaged o dirty, you clean up with an air compress can

if still doesnt works you can try to replace the fan and see if it works

Mar 31, 2011 | Gateway FX7026 PC Desktop

2 Answers

I push the power button and nothing happens. It happened previously and a few days later I pushed the button and it came on as mysteriously as it went off. What can I do to troubleshoot or fix the...


Depending on how long the power was off, your desktop power supply circuit capacitors may have fully discharged during the power outage. This will effect how fast your computer will turn on when you press the power button. Turning off the power by pulling the cord, or a power outage while the computer was on will usually result in a message that Windows was not shut down down properly when you try to restart it. Also make sure your computer isn't plugged into a 'switched' receptacle that's wired to turn on a table lamp etc from a wall switch. It's usually the bottom half of the receptacle that's switched while the top plug is always 'hot' or powered and unswitched in a wall switch controlled recepacle situatation.

Jan 16, 2011 | Dell Dimension 5100 (D51L1) PC Desktop

1 Answer

Its an 8gb.i had it plugged into the comeputer it


just remove the any usb pen drive which is connected to the cpu and try to switch it on .if there is no display remove the ram and try to fix it again.
Hope this helps. Please rate my response.
Thanks.
Have a good day.

Mar 22, 2010 | IBM NetVista PC Desktop

3 Answers

Computer will not turn on at all. Dell Dimension 5100 desktop


I would unplug the power supply from the motherboard, wait a little while and then plug it back in.
Try to power everything back up and it should come up.

I am assuming you are getting a light on the motherboard that indicates power is being supplied?

Feb 15, 2009 | Dell Dimension 5100 (D51L1) PC Desktop

1 Answer

I cannot turn on my computer.


Well arogachev. You've given me nothing to go on. There could be a million reasons why you can't turn on your computer. Give me some details of what happened before this, what exactly happens when you try to turn it on, what computer it is. (Make and model.) What operating system you're running etc. I will then try my best to help you because at the moment I'd be starting with "Is it plugged in and is the plug switched on??"

Nov 20, 2008 | Gateway PC Desktops

1 Answer

Turns on but no boot


I had this happen sometimes after a windows update/reboot.
If the computer is on, hold down the power button until it cuts off.
Unplug the power cord. Wait for a couple of minutes.
Plug the cord back in, and turn on system.

Oct 27, 2008 | Acer Aspire T160 (AST160UA3400) PC Desktop

1 Answer

System turns on however hard drive will not cycle nor will mouse or key board activate


Turn power off and unplug power from computer.
Unplug printers,backup drives and speakers.
Open case and unplug power supply from the board.
plug power cord back in press the power button.
Of course nothing will happen.
unplug power cord again.
plug power supply back into the board.
plug power cord backup and press power switch.
If nothing happens unplug power cord again.
pull out your memory sticks and plug cord back in and press power button.
Of course not much will happen.
But really something is happening to your computer so continue.
Pull power cord and replace memory sticks.
replace power cord and press power switch.
Continue this pulling out pci cards one at a time until you find out what the problem might be.
Try different keyboards and mice too.
Good Luck

Oct 27, 2008 | Intel PC Desktops

1 Answer

Computer does not turn on


Check the switch of the power supply at the back (black button) First
If the power supply fan doesn't work or cpu fan doesn't work
Replace the power supply.

Thank you for using FIXYA
Please don't forget to rate my help
Have a great day!
Pablo :-)

Oct 16, 2008 | PC Desktops

1 Answer

Compaq computer doesn't boot, no BIOS post screen/no video or beeps


welcome to fixya

does the computer turn on?

do any or the lights come on or is it just dead?

if compute does not turn on then you might want to make sure ever thing is plug in ...

if ever thing is pluged in and and still does not turn on this might be the power supply has gone bad ...

if computer turn on and nothing happens this could be a bad hard drive or the OS has messed up first try to but in your reboot disk this still nothing happens then the hard drive could be broken

hope this helps you out have a good day

Aug 04, 2008 | Compaq PC Desktops

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