Re: trackpoint, touchpad, and buttons suddenly dead
David Griffith <[email protected]>
| Newsgroups | gmane.linux.hardware.thinkpad |
|---|---|
| Message-ID | <[email protected]> |
On Sat, 26 Aug 2017, Christoph Schmees wrote: > Am 26.08.2017 um 13:38 schrieb David Griffith: >> >> While I was using my T420, the touchpad suddenly stopped responding, as >> did the mouse buttons and trackpoint. The output of xinput shows no PS/2 >> keyboard/mouse interface available. The output of lsmod shows that the >> psmouse module is unused. I checked the BIOS to see if somehow these got >> turned off. I turned them off, rebooted, then rebooted again, and turned >> them back on again. I removed the hard drive and inserted a Windows 7 >> hard drive I keep around for when I need to use Windows on this laptop. >> Still nothing. All this while, the keyboard has continued to function as >> expected. >> >> What could have caused the ps/2 mouse interface to fail like this? > > Southbridge failed due to overheating? Is USB still functioning? How > is air flow: little and very hot? Just my shot into the blue ... Southbridge seems fine as far as heat and ventilation goes. I blew out the gunk three months ago, and there wasn't much. USB still functions fine. I'm going to replace the motherboard. It'll be cheap enough and I still like the T420's keyboard too much. -- David Griffith [email protected] A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? -- The linux-thinkpad mailing list home page is at: http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad