If you use an ATI video card and find that you cannot get the refresh lock in the CCC to set the display at 120hz for some games (it did not work for me with GTR2), you can download ATI Tray Tools and use it to lock the refresh rate. However with TT enabled the CCC's and the in-game AA and AF settings will not work in some games, and even changing these in Tray Tools did not seem to have any effect.
Solution? Just delete the Dell .icm driver file (1st through the display control panel, then remove the .icm file from /windows/system23/... or wherever it is in your OS.) Now you have 120 in-game and full control over AA and AF via the CCC (Tray Tools not needed).
A big FAIL to Dell for screwing up their driver. I have had no noticeable effects from not having the driver installed other than seeing a "new hardware" icon parked in the tray area, and getting a dialog box seeking a driver on first reboot that did not recur on later boots. CCC still identifies the monitor correctly through the DVI cable.
Solution? Just delete the Dell .icm driver file (1st through the display control panel, then remove the .icm file from /windows/system23/... or wherever it is in your OS.) Now you have 120 in-game and full control over AA and AF via the CCC (Tray Tools not needed).
A big FAIL to Dell for screwing up their driver. I have had no noticeable effects from not having the driver installed other than seeing a "new hardware" icon parked in the tray area, and getting a dialog box seeking a driver on first reboot that did not recur on later boots. CCC still identifies the monitor correctly through the DVI cable.