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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: 101
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

axur-delmeria
ThinkPadder
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Posts: 1945
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-C91 i7-2620M

Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
:cry:

thinkpadgeek91
Freshman Member
Posts: 101
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

thinkpadgeek91
Freshman Member
Posts: 101
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

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