Touchscreen stopped working Viewsonic TD2450

Sep 18, 2017
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Hi there,

I have an Alienware Area 51 with 3 graphics cards in SLI and 2 monitors attached. One of the monitors is a Viewsonic TS2340 which has been working fine as the secondary monitor for several months.

However, recently I have found Tablet Mode is greyed out and none of the touchscreen functions work anymore on the TD2340.

More than anything, this is not a showstopper, but it is irksome. Since it was last working I have updated Windows 10 (standard updates which are pumped out) and installed no new software - before the TD stopped working.

Also, Windows Properties now says no touch or pen devices attached and the Touch Screen settings panel in control panel is missing.

Any ideas?

Alienware Area51 R2 latest drivers
NVidia GeForce Experience updated (triple SLI config for GTX970)
32Gb RAM
Windows 10 Home 64 bit

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