Tips & Tricks : HP TouchSmart tm2t, Windows 8 and Switchable Graphics


Recently I came up with idea to upgrade operating system on my HP TouchSmart tm2t to Windows 8. In general there was no major issues except one. As this computer has two graphics adapters (Intel for low performance when operate on battery, AMD/ATI for better performance when operate on mains) there was small issue with configuring Switchable Graphics option.

After installation computer was operating only on low performance Intel card and thre was no possibility to switch to AMD/ATI. Here is what I’ve done ot make it work:



Tips & Tricks : HP TouchSmart tm2 : Screen Rotation


When upgrading drivers on HP TouchSmart tm2 tablet important is to keep in mind that HP Quick Launch Buttons package might disable screen auto-rotation. In order to restore that functionality remove HP Quick Launch Buttons and install older version of that package from here. Full information about package is available on HP Quick Launch Buttons web page availabel here.

Another option might be registry settings adjustment. Parameters which control screen orientation and bahevior are located under:

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Hewlett-Packard\HP Quick Launch Buttons\Schemes\Default\8526

There are two important parameters:
Notebook_Docked_DisplayOrientation = 0
Tablet_UnDocked_DisplayOrientation = 3

Available values for those parameters:
0 – primary landscape
1 – seconday portrait
2 – seconday landscape
3 – primary portrait