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t450s - trackpoint not working after keyboard replacement

T400/410/420 and T500/510/520 series specific matters only
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m-blue
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t450s - trackpoint not working after keyboard replacement

#1 Post by m-blue » Sun Sep 17, 2017 3:36 pm

hi,
I changed keyboard to brand new, and after replace tracpoint not working... old one, after go back - still ok, I am wondering is it possible, that it is driver problem ( different tracpoint device in new keyboard? ) . It is possible, that it is hardware problem, but I found info about drivers and not working tracpoint...
I try to uninstall driver, new windows, turn on and off in bios... still tracpoint death.

Three buttons under space are not working too.
Michal
Regards,
Michal

RealBlackStuff
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Re: t450s - trackpoint not working after keyboard replacement

#2 Post by RealBlackStuff » Mon Sep 18, 2017 4:29 am

Try to (re)insert the keyboard connector.
You might also have dirt in the motherboard's KB-connector.
Or you got a bad keyboard.
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axur-delmeria
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Re: t450s - trackpoint not working after keyboard replacement

#3 Post by axur-delmeria » Mon Sep 18, 2017 10:29 am

Is the trackpoint cable separate from the keyboard cable? If yes, maybe it's possible to transplant the trackpoint module from the old keyboard to the new one.
Daily driver: X220 4291-C91 i7-2620M

Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
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RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
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m-blue
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Re: t450s - trackpoint not working after keyboard replacement

#4 Post by m-blue » Mon Sep 18, 2017 1:57 pm

I checked connections etc. looks fine, a few times. Keyboard is brand new under thinkpad warranty, send from service to replace so I can just call and tell that it is not working, but I still belive that it is not keyboard problem:)
Regards,
Michal

axur-delmeria
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Re: t450s - trackpoint not working after keyboard replacement

#5 Post by axur-delmeria » Mon Sep 18, 2017 2:06 pm

Can you check 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:

m-blue
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Posts: 58
Joined: Sun May 18, 2008 2:08 am
Location: Czestochowa, Poland

Re: t450s - trackpoint not working after keyboard replacement

#6 Post by m-blue » Mon Sep 18, 2017 2:25 pm

yes, I checked cable, connection looks brand new;/
Regards,
Michal

bit_twiddler
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Re: t450s - trackpoint not working after keyboard replacement

#7 Post by bit_twiddler » Tue Sep 19, 2017 7:25 am

Sometimes the trackpoint goes bad, either by failing completely, or by drifting uncontrollably.
However, the fact that the 3 buttons are also dead probably means that a connection somewhere
is bad, or that part of the cable itself got damaged.
Daily Drivers: W520 i7-2760QM | W520 i7-2860QM | T420 FHD IPS i7-2640m | W701
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