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Quick X220 LAN port repair

X200/X201/X220 (including equivalent tablet models) and X300/X301 series specific matters only.
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axur-delmeria
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Quick X220 LAN port repair

#1 Post by axur-delmeria » Sun Apr 05, 2020 11:10 pm

Having the Ethernet jack right next to USB port usually results in having a flash drive inadvertently plugged into it. Because of that, my X220 would only connect at 10 Mbps. The LAN port on the Series 3 dock gets 1Gbps just fine, so I knew the problem was in the jack itself. After thinking about it for a while, I though that maybe the exposed metal contacts on the LAN port got bent as a result of getting a a USB plug shoved into it.

I looked at the RJ45 port with a magnifying lens, and indeed the contacts were slightly bent downward. I removed the X220's battery (just to be safe), got needlepoint tweezers and used one of the tips to coax the contacts upward. After finagling for at least 15 minutes, I decided it was good enough. Put the battery back in, powered it up. Connected it to my X61 via a patch cable and 1Gbps link established. :banana:
Daily driver: X220 4291-C91 i7-2620M

Backup: X601 Core 2 Duo T8100
Toy: X60F Core Solo U1300
On loan: X220 4291-P79 i5-2520M
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:

dr_st
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Re: Quick X220 LAN port repair

#2 Post by dr_st » Mon Apr 06, 2020 12:36 am

Thanks for sharing! :thumbs-UP: Indeed this problem of attempting to plug a USB connector into an RJ-45 port is quite common, and it is good to know that in case something gets broken, the fix can be quite simple. :D
Thinkpad 25 (20K7), T490 (20N3), Yoga 14 (20FY), T430s (IPS FHD + Classic Keyboard), X220 4291-4BG
X61 7673-V2V, T60 2007-QPG, T42 2373-F7G, X32 (IPS Screen), A31p w/ Ultrabay Numpad, A21m 2628-GXU

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