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07-11-2016

UK

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L520 Shutting Down Without Warning

2016-07-11, 11:10 AM

When connected to internet and mains supply my L520 randomly shuts down - the only warning is that the sound shuts down first followed less than a second later by the computer.  Any ideas as to a solution would be welcomed.

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11 Posts

07-01-2016

US

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Re: L520 Shutting Down Without Warning

2016-07-12, 9:38 AM
I think you need to clean the fan..
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3 Posts

07-11-2016

UK

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Re: L520 Shutting Down Without Warning

2016-07-15, 14:31 PM

Thanks for that.  I've cleaned the fan - it wasn't too mucky - but I still have the problem.  Any other ideas would be welcomed.

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4181 Posts

07-24-2013

CH

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Re: L520 Shutting Down Without Warning

2016-07-18, 8:25 AM

Does the notebook feel hot after shutdown? Specially on the left, close the the Q,W,A,S keys.

 

Can you monitor the temperatures using TPFanControl or HWMonitor? Maybe the fan is clean but the thermal paste is old. 

 

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L40SX/240/240X/340CSE/360PE/365XD/380D/380E/380XD/380Z/390/560E/560X/570/600/600E/750Cs/755C/760CD/760EL/760XD/770E/A20p/A22/A31/i1600/G40/R50p/R61i/S30/SL510/T22/T4x/T6x/T4x0/T5x0/W5x0/W700/X1/X2x/X3x/X4x/X6x/X6xT/X2xx/X200T/X30x/Z60m/Z61x



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Re: L520 Shutting Down Without Warning

2016-07-18, 10:50 AM

Thanks for that.  Computer not overheating as it sometimes shuts down very soon after switching on and is not even warm to the touch.  However, I've worked out that it happens only when I'm connected to the internet!

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Re: L520 Shutting Down Without Warning

2016-07-18, 13:13 PM

Some ideas that may help (not in a particular order):

  • Take a look at the event logs
  • Do you connect to the internet with LAN or the WLAN card? Maybe a defective component?
  • Run a hardware check with software like Lenovo Control Center or HWInfo
  • Boot from a Linux Distro out of a CD/DVD or USB drive

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L40SX/240/240X/340CSE/360PE/365XD/380D/380E/380XD/380Z/390/560E/560X/570/600/600E/750Cs/755C/760CD/760EL/760XD/770E/A20p/A22/A31/i1600/G40/R50p/R61i/S30/SL510/T22/T4x/T6x/T4x0/T5x0/W5x0/W700/X1/X2x/X3x/X4x/X6x/X6xT/X2xx/X200T/X30x/Z60m/Z61x



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