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05-03-2021

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T540p Touchpad acting as right click no matter which side you click

2021-05-03, 20:59 PM

The laptop had gotten unusable, where 75% of the time a left and right click would result in a right click action.  Once it happens, it will not stop this annoying problem until a reboot.  The laptop had a fingerprint reader but was never used.  So I replaced the keypad, touchpad, and top bezel from another T540p with a broken display panel.  Everything had worked great on the broken laptop until the machine was dropped.  The donor laptop did NOT have the fingerprint reader.  After the transplant, only the keypad works.  I have pulled everything to make sure the cables were still properly seated and reseated them anyways.  Still nothing.  The trackpoint and touchpad are not detected in Windows no matter how many times I ask device manager to check for new hardware.  The keypad works perfect.

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3675 Posts

08-02-2018

United States of America

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Re:T540p Touchpad acting as right click no matter which side you click

2021-05-03, 21:36 PM

Hello Data Pro!

 

Welcome to community forums

 

 

The Thinkpad T540p has several model variants and the fingerprint reader is optional and you can refer to this link: https://download.lenovo.com/pccbbs/mobiles_pdf/t540p_w540_ug_en.pdf?linkTrack=PSP:ProductInfo:UserGuide

 

For the touchpad issue, try loading the default BIOS settings. Press the F9 key to load the default setup n the BIOS then press the F10 key to save it.

 

If the issue is still the same, try bringing this to any of our authorized repair centers in your area for further diagnosis.

You can find the list here: https://pcsupport.lenovo.com/us/en/partnerlocator

 

Regards

 

 


Jwes_Lenovo



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2 Posts

05-03-2021

United States of America

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Re:T540p Touchpad acting as right click no matter which side you click

2021-05-04, 1:23 AM

No luck.  Any other suggestions?  Strange that the trackpoint in the keypad doesn't work either.  Maybe it is a motherboard problem?

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3675 Posts

08-02-2018

United States of America

790 Signins

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  • Location: United States of America
  • Views: 19047
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Re:T540p Touchpad acting as right click no matter which side you click

2021-05-04, 15:49 PM


Try getting a  new part for the Trackpoint and the keyboard. You can use this link to get the FRU number: https://support.lenovo.com/us/en/partslookup#/


Provide the MTM or the serial number then filter the commodity type.

 

And you can buy the parts from our parts reseller here(US & CA): https://lenovo.encompass.com/

 

Here is a guide in replacing the part: https://support.lenovo.com/us/en/solutions/ht505031

 

Hope that helps.

 

Regards

 

 

 

 

Jwes_Lenovo



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