Hence I tried the manual modus. Whenever I switch into manual modus the screen turns black and on again and the automatic modus is again selected. So I cannot select manual modus. Now if I restart an error occurs telling me that my ati driver is not correctly installed and I should reinstall it.

Here's a brief summary of the before and after effects. System Specs: Alienware M17xR3 Intel I7 2720qm 2.2ghz 3.3 turbo Nvidia GTX 460m 1.5gb Bios Version A12 VBios Version A02 2x 750mb HDD Before:

After replacing the motherboard with 2 different motherboard's, 1 new and 1 refurbished, testing 4 seperate memory sticks and replacing processor with one new one the 3 beep code is still coming up, no matter which configuration of new or different parts are used. Help anyone?