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X230 (330) trackpoint keys not working

X200, X201, X220 (including equivalent tablet models) and X300, X301 series specific matters only.
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x3o2
Posts: 45
Joined: Sun Mar 13, 2016 5:42 am
Location: Germany

X230 (330) trackpoint keys not working

#1 Post by x3o2 » Mon Dec 11, 2017 8:16 am

I upgraded my X230 to a X330 with a 13'' FHD IPS panel at 96% sRGB. What a machine!

As it ran an old Bios version I upgraded that too, no problems occured.

But the trackpoint keys do not work no more, not in Win nor Linux. That points me to a hardware problem.

Tried it with two different keyboards that function in another X230, same problem. Tried different drivers.

Touchpad works, trackpoint does, keyboard does too. Except the trackpoint keys. Have to use a mouse now... :cry:

What is wrong there?

axur-delmeria
ThinkPadder
ThinkPadder
Posts: 1981
Joined: Mon May 28, 2012 5:49 am
Location: Metro Manila, Philippines

Re: X230 (330) trackpoint keys not working

#2 Post by axur-delmeria » Mon Dec 11, 2017 8:18 am

Tried disabling the touchpad in BIOS?
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:

x3o2
Posts: 45
Joined: Sun Mar 13, 2016 5:42 am
Location: Germany

Re: X230 (330) trackpoint keys not working

#3 Post by x3o2 » Mon Dec 11, 2017 8:57 am

Yep, as I usually do not use it, I had to activate it. Now it is disabled again. No change.

Why does the whole keyboard including the trackpoint work and the trackpoint keys don't?

axur-delmeria
ThinkPadder
ThinkPadder
Posts: 1981
Joined: Mon May 28, 2012 5:49 am
Location: Metro Manila, Philippines

Re: X230 (330) trackpoint keys not working

#4 Post by axur-delmeria » Mon Dec 11, 2017 12:47 pm

Try disconnecting the touchpad cable.
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:

x3o2
Posts: 45
Joined: Sun Mar 13, 2016 5:42 am
Location: Germany

Re: X230 (330) trackpoint keys not working

#5 Post by x3o2 » Wed Dec 13, 2017 9:09 am

Thanks for your hints.

As someone mentioned it has to be a hw problem. So I had a look at the keyboard flex cable and found three broken lines.

I learned that it is a well known problem to xx30 keyboards. Not wanting to dump a brand new backlight keyboard I had to solder a flex cable for the first time.

Very tricky but after 3 h of trying I finally made it.

Maybe someone can answer this question: as the pic shows the three outer lines are broken in the top left corner beneath the flap. These three lines transporting the signals from the trackpoint keys do not make any contact to the male plug in the picture. As all the other lines do.

What is the trick about that?

https://imgur.com/a/9caGA

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