X220 no backlight

X200, X201, X220 (including equivalent tablet models) and X300, X301 series specific matters only.
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thinkpadgeek91
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Posts: 100
Joined: Sun Jan 01, 2012 4:00 pm
Location: Fortuna, CA

X220 no backlight

#1 Post by thinkpadgeek91 » Thu Dec 07, 2017 11:01 pm

Hey guys,
I sold this machine to a friend of my wife a few months ago. She went to use it and the screen was black. I replaced the screen assembly and all the cables and no luck. It's probably the backlight capacitor correct?

Thanks for any info.
Thinkpad X220 2.5Ghz Core i5 2520M
Thinkpad X61s 1.6Ghz Core2Duo L7500
Thinkpad T500 2.53Ghz Core2Duo T9400
Thinkpad E570 2.7Ghz Core i5 7200U

axur-delmeria
ThinkPadder
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Joined: Mon May 28, 2012 5:49 am
Location: Metro Manila, Philippines

Re: X220 no backlight

#2 Post by axur-delmeria » Fri Dec 08, 2017 4:28 am

Does it work with an external display? If yes, it could be the backlight's fuse.
Daily driver: X220 4291-P79 i5-2520M

In reserve: X61 T7500, X60 T2300
In pieces: X60s CS U1300 [board only], two retired but working X61Ts
RIP: 760XD 9546-U9E

thinkpadgeek91
Freshman Member
Posts: 100
Joined: Sun Jan 01, 2012 4:00 pm
Location: Fortuna, CA

Re: X220 no backlight

#3 Post by thinkpadgeek91 » Fri Dec 08, 2017 5:50 pm

Yes, works great with an external display.
Thinkpad X220 2.5Ghz Core i5 2520M
Thinkpad X61s 1.6Ghz Core2Duo L7500
Thinkpad T500 2.53Ghz Core2Duo T9400
Thinkpad E570 2.7Ghz Core i5 7200U

thinkpadgeek91
Freshman Member
Posts: 100
Joined: Sun Jan 01, 2012 4:00 pm
Location: Fortuna, CA

Re: X220 no backlight

#4 Post by thinkpadgeek91 » Sat Jan 06, 2018 8:04 pm

I replaced the motherboard and all is good now. Glad to have it back up and running.
Thinkpad X220 2.5Ghz Core i5 2520M
Thinkpad X61s 1.6Ghz Core2Duo L7500
Thinkpad T500 2.53Ghz Core2Duo T9400
Thinkpad E570 2.7Ghz Core i5 7200U

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