Question about Acer Aspire X3400 PC Desktop

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Power supply my computer shuts down after hour or two. I have to unplug my computer to get it to restart. also my fan is not working. We have cleaned dust from it but this doesn't help.

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  • 59 Answers

Your fan needs to work to cool the processor. Sounds like it is getting too hot and shutting down/restarting. Once it is cool, boot into the OS and check your event logs which should give an indication as to why but it does sound like a heat issue

Posted on Mar 21, 2014

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Posted on Jan 02, 2017

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myob247
  • 1342 Answers

SOURCE: Computer keeps shutting off

It is overheating. Make sure the fan on the processor is working. Get a can of compressed air and blow out the inside of your computer to remove dust and dirt which will also cause overheating. If the fans are not working replace them or you could end up replacing your computer.

Posted on Jun 04, 2008

rcampsr
  • 90 Answers

SOURCE: computer shuts down on its own

Hello mr_nasty_72,
Your problem could be several things. Your hard drive is either over 90 percent full and the windows swap file is dumping the computer to shut down. the hard drive has a bad spot i it and when the system writes to it, then computer shuts down. Your memory has a bad spot in it and when the file useage of the memory gets high enough and finds the badspot, the computer shuts down due to the error. I would run a memory test program on the memory to ake sure it is not a memory error. Also rin a utility like spinrite on the hard drive and see if it can repair any bad sectors it finde and recovers any lost information on the drive. If your computer is new enough you cn go into the bios setup and look at the system utility for the power and fan system on the motherboard. This will tell you if the power supply is putting out the correct power voltage for the system. Regards, rcampsr

Posted on Feb 21, 2009

carputers
  • 255 Answers

SOURCE: Computer power on, monitor and fan issues

replace power supply it is weak.

Posted on Sep 08, 2009

Mustgo
  • 2359 Answers

SOURCE: My tower will not power "on" I shut-down the

Remove the power cord.
Locate the 120V / 240 V ac selector switch. (within 4 inch from the power inlet)
Move it back and forth few time.
Make use it's set to the correct voltage selection.
Reconnect power cord and power up.
===== This AC selector switch can get shifted and set to different position.

Posted on Jul 28, 2011

Geekman
  • 32281 Answers

SOURCE: My acer Keeps shutting down Could it just be dirty or do need to upgrade the power supply

Overheating When the CPU overheats then it will shut down (i.e. thermal overload) and won't boot up again until it has cooled down. If this is the problem is not fixed then the CPU will eventually fail.
A faulty fan causes the problem or the fan and heat sink assembly are clogged with dust.
Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged with dust the remove the dust and make sure the vents are clear and dust free. Use a small brush and can of compressed air to do this.

Posted on Aug 18, 2012

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