T520 touchpad not functioning

T400/410/420 and T500/510/520 series specific matters only
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TPFanatic
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T520 touchpad not functioning

#1 Post by TPFanatic » Mon Dec 12, 2016 8:42 pm

I got a T520 missing a keyboard. I'm currently using it with a W500 keyboard plugged in.......

The touchpad and its buttons are completely nonfunctional, it was like this even without a keyboard plugged in. It also has a color calibrator but I'm not sure how to work that either. I have a suspicion I need a correct keyboard plugged in and then the touchpad will function but I won't know until I have a keyboard, one is on the way.

Or is the entire palmrest dead? Any advice?
Daily driver: lenovo T500 P9700, WUXGA, 8GB
Ultraportable: IBM lenovo X60s
Home theater: lenovo T420

Enable advanced features on older Synaptics touchpads with the registry: http://forum.thinkpads.com/viewtopic.php?f=2&t=122612

brchan
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Joined: Sun Jun 01, 2014 11:43 am
Location: West Lafayette, Indiana

Re: T520 touchpad not functioning

#2 Post by brchan » Mon Dec 12, 2016 11:20 pm

The touchpad and its bottom bottons operate independently from the keyboard.

Most likely:
1. Touchpad disabled via bios. Simply re-enable it to get it working again.
2. Touchpad disabled via trackpoint software in windows. Change settings to re-enable it.

Unlikely:
3. Touchpad connector loose. Follow the HMM (link at top of the page) and reseat the connector.

Very unlikely:
4. Touchpad connector defective.
Current Thinkpads: W530 (functional classic keyboard mod), X301, T61, T60, T43, T23, 600X, 770
Other: mk5 Toughbook cf-19, mk1 Toughbook cf-53

TPFanatic
Senior Member
Senior Member
Posts: 538
Joined: Thu Jul 30, 2015 11:29 pm
Location: Hudson, New Hampshire

Re: T520 touchpad not functioning

#3 Post by TPFanatic » Mon Dec 12, 2016 11:52 pm

THANKS BRCHAN!!!

I checked the HMM and apparently I had the connector in the unlocked position... :banghead: Shame on me. It's working now that I flipped the piece of plastic. Gee golly. Thanks for your help!
Daily driver: lenovo T500 P9700, WUXGA, 8GB
Ultraportable: IBM lenovo X60s
Home theater: lenovo T420

Enable advanced features on older Synaptics touchpads with the registry: http://forum.thinkpads.com/viewtopic.php?f=2&t=122612

brchan
ThinkPadder
ThinkPadder
Posts: 1326
Joined: Sun Jun 01, 2014 11:43 am
Location: West Lafayette, Indiana

Re: T520 touchpad not functioning

#4 Post by brchan » Tue Dec 13, 2016 8:53 am

Great to hear it's working :D !
Current Thinkpads: W530 (functional classic keyboard mod), X301, T61, T60, T43, T23, 600X, 770
Other: mk5 Toughbook cf-19, mk1 Toughbook cf-53

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