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somsay
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Posts: 13
Registered: ‎05-22-2016
Location: US
Views: 716
Message 1 of 7

L420 Keys stopped working. P [ ; '

Hi I started my latop today and 4 of my keys on my keyboard stopped working.

 

keys that stopped working: " P [ ; '  "

 

anyone have any suggestions? I love my L420, its not the fastest but it just always does the job. thank you everyone

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Posts: 3,892
Registered: ‎07-24-2013
Location: CH
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Message 2 of 7

Re: L420 Keys stopped working. P [ ; '

Well, sounds like a defective keyboard, you'll need a to get new one and replace the broken one. Luckily this is quite easy on ThinkPads. Check for a KB in eBay, Amazon, Craiglist or any local repair computer shop that may sell old parts.

 

Download the HMM from here: click me! and follow the instructions of chapter 8 - 1170 (remove the battery and disconnect the AC adapter first).

 

Before this, you could eventually check to boot from a Linux distro out of a CD or USB drive to rule out any possible software problems.

 

Regards

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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somsay
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Posts: 13
Registered: ‎05-22-2016
Location: US
Views: 661
Message 3 of 7

Re: L420 Keys stopped working. P [ ; '

thanks so much Tasurinchi, your the best! bless you )
somsay
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Posts: 13
Registered: ‎05-22-2016
Location: US
Views: 659
Message 4 of 7

Re: L420 Keys stopped working. P [ ; '

Hi Tasurinchi,

my keyboard works after 20 mins or 30 mins of laptop use...it just does not work before that...really odd.

Admin note; fixed formatting issue

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Message 5 of 7

Re: L420 Keys stopped working. P [ ; '

That's weird... What happens if you plug in an external USB keyboard? Does it work longer than 20 min?

 

-

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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somsay
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Posts: 13
Registered: ‎05-22-2016
Location: US
Views: 616
Message 6 of 7

Re: L420 Keys stopped working. P [ ; '

Hi

 

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Message 7 of 7

Re: L420 Keys stopped working. P [ ; '

Did you tried a Linux Distro as suggested above? (With the internal keyboard), if it then works we can rule out a hardware problem.

 

-

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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