Coffee spill: no Trackpoint/TouchPad clicking

T4x series specific matters only
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Tim M
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Coffee spill: no Trackpoint/TouchPad clicking

#1 Post by Tim M » Fri Dec 12, 2008 3:41 pm

So, I had a small mishap with a cup of coffee today, some of which spilled on the lower left part of the computer. Most drained onto the keyboard and out the drain hole on the bottom, but a bit got on the TouchPad and around the buttons. I can move the cursor with the TrackPoint and TouchPad, but clicking the corresponding buttons (or clicking by tapping the TouchPad or TrackPoint) do not work. All clicking works with a USB mouse and everything else on the keyboard works.

After rebooting the computer, the buttons and tapping briefly worked, but then stopped working. So, do I need a new keyboard and palmrest or is something on the motherboard fried? I removed the keyboard to check and no liquid got inside, though something might have wound up under the palmrest.

Thanks,

Tim

EDIT: So, I disabled the TouchPad through the "Advanced" configuration for the mouse in Control Panel and now can use the Trackpoint and its buttons as per normal. So, the TouchPad is definitely fried. Heh...the only part with no drain hole! I'm running a mobo diagnostic to ensure that the CardBus slots work, as they connect to the mobo very near where the coffee dripped.
T42(p) 2379-DXU | 15" FlexView, 2.0 GHz, 2 GB, 128 MB FireGL T2 mobo, UJ-842 Multi-Burner, 100 GB 7200 RPM, Dock II
T410 2516-CTO | 2.66 GHz i7-620M, 6 GB, 512 MB NVIDIA 3100m, 160 GB SSD

Tim M
Junior Member
Junior Member
Posts: 330
Joined: Sat Nov 17, 2007 8:13 pm
Location: MA

#2 Post by Tim M » Sun Dec 21, 2008 12:49 am

Thanks to TPFer Brad, I now have a new Ultranav. Thanks to Lenovo warranty service, I now have a new keyboard. It turns out the problem was a short between the Ultranav circuit board and the metal mounting bracket; there was an obvious burn where the coffee created a new ground path. ;)

The T42 is working perfectly now and actually looks a bit shinier than it did before this mishap. :)
T42(p) 2379-DXU | 15" FlexView, 2.0 GHz, 2 GB, 128 MB FireGL T2 mobo, UJ-842 Multi-Burner, 100 GB 7200 RPM, Dock II
T410 2516-CTO | 2.66 GHz i7-620M, 6 GB, 512 MB NVIDIA 3100m, 160 GB SSD

Tim M
Junior Member
Junior Member
Posts: 330
Joined: Sat Nov 17, 2007 8:13 pm
Location: MA

Re: Coffee spill: no Trackpoint/TouchPad clicking

#3 Post by Tim M » Thu Jan 15, 2009 3:00 am

And on further checking, it turns out the new keyboard is NMB (Chinese) while the old was Chicony. :)
T42(p) 2379-DXU | 15" FlexView, 2.0 GHz, 2 GB, 128 MB FireGL T2 mobo, UJ-842 Multi-Burner, 100 GB 7200 RPM, Dock II
T410 2516-CTO | 2.66 GHz i7-620M, 6 GB, 512 MB NVIDIA 3100m, 160 GB SSD

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