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ww1
Paper Tape
Posts: 2
Registered: ‎09-27-2015
Location: Uknown
Message 1 of 6 (39,734 Views)

How to disable touchpad diagnostics hotkey (alt+shift+l)

Hi,

 

When I'm pressing alt+shift+l I get synaptics touchpad debug information. As this is a combination, that in Polish Programmer keyboard layout is typically used to get letter Ł, this key binding is really annoying.

 

The only way to disable this that I've found so far is to uninstall synaptics driver. Though this means also loosing touchpad gestures so I'm reluctant to go this way.

 

As far as I was using WIndows 7, this was not an issue. Anybody has an idea, how to disable this key binding?

What's DOS?
Posts: 1
Registered: ‎10-06-2015
Location: Ukraine
Message 2 of 6 (39,819 Views)

Re: How to disable touchpad diagnostics hotkey (alt+shift+l)

As described in this answer on the Microsoft website:

  • Open a command prompt with administrator privileges. To do this, right-click Start and select Command Prompt (Admin).
  • Type the following as a single line into the command prompt window and press Enter:

    reg add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\SynTP\Parameters\Debug /v DumpKernel /d 00000000 /t REG_DWORD /f

  • Reboot the computer.

ww1
Paper Tape
Posts: 2
Registered: ‎09-27-2015
Location: Uknown
Message 3 of 6 (39,600 Views)

Re: How to disable touchpad diagnostics hotkey (alt+shift+l)

Indeed it works. Thank you very much
What's DOS?
Posts: 1
Registered: ‎12-18-2015
Location: Mali
Message 4 of 6 (39,251 Views)

Re: How to disable touchpad diagnostics hotkey (alt+shift+l)

Ctrl+Alt+Shift+L is the InDesign shortcut for overriding all masterpage items. It conflicted with the touchpad diagnostics hotkey. Thank you for the solution.

Paper Tape
Posts: 3
Registered: ‎11-05-2016
Location: PL
Message 5 of 6 (21,352 Views)

Re: How to disable touchpad diagnostics hotkey (alt+shift+l)

Never again Lenovo. So many issues with a laptop that costs a freaking fortune.

What's DOS?
Posts: 1
Registered: ‎06-23-2017
Location: US
Message 6 of 6 (9,704 Views)

Re: How to disable touchpad diagnostics hotkey (alt+shift+l)

Why is this even enabled by default? I'm thinking it should only be enabled when asked by tech support.

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