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Yesterday, suddenly my touchpad on my MSI Laptop started to not respond. In other words, in Login screen, touchpad is working as expected. However, in Desktop screen, after I have logged in, touchpad is not working.

How can I enable touchpad in Desktop?

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Have you tried, the FN + function key combination? –  Mitch Jul 4 '12 at 7:04
    
Which one ? I am using MSI –  user8324 Jul 4 '12 at 8:58
    
@Mitch make this as answer, it works –  user8324 Jul 4 '12 at 9:39

5 Answers 5

up vote 2 down vote accepted

Make sure that the Touchpad is enabled. On an MSI laptop to Enable or disable the touchpad: FN+F3.

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I don't recall having this problem in 12.04 either but running the gpointing-device-settings command and unchecking Disable touchpad always did it for me in 11.10.

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I have tried but touchpad is still not work –  user8324 Jul 4 '12 at 8:54

I accidentally disabled my touchpad. This is the way I found to re-enable it.

Press the "Windows key" to open the start menu. Type "terminal" and enter, to open the command line.

Then type:

xinput list

Find the 'id' of your touchpad. For me it looks like this:

Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ TPPS/2 IBM TrackPoint id=12 [slave pointer (2)] ⎜ ↳ SynPS/2 Synaptics TouchPad id=11 [slave pointer (2)]

My touchpad has id = 11.

Then type

xinput set-prop 11 "Device Enabled" 1

(but replace 11 with whatever id your touchpad had)

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You could try the following command in a terminal and see if it helps, I always used it to restart the touchpad on 11.10 when it stopped working, but I have had no problems on 12.04.

synclient Touchpadoff=0
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I have tried but touchpad is still not work –  user8324 Jul 4 '12 at 8:53

I have had the same problem but I found the fix for mine to be very simple. I unplugged my mouse out of the USB port on the laptop and the touchpad immediately started working again. It disables the touchpad when you have a mouse plugged in. My Laptop's model is the MSI Apache Pro-012 (GE70)

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