mrrep,

You said upgrade, did you mean overclock the CPU?

Hi,

If I was to overclock what could I go to?

Or if I was to buy a new I7 processer what is the max speed I could upgrade to?

Thanks

I found this.

These are the Dell validated CPUs on the M18x-R1 =
06335 Alcohol Swap for Cleaning Pad
6MGMN Back Plate Assembly
RTRCG CPU Fan
64F0G i7-2960XM 2.70GHzw/ Thermal Pad, Qual Core (Contain CPU TKFKF+Thermal Pad F1RJC)
DYP1X i7-2920XM 2.50GHz w/ Thermal Pad, Qual Core (Contain CPU 27TV3+Thermal Pad F1RJC) 
9HCX7 i7-2860QM 2.50GHz w/ Thermal Pad, Qual Core (Contain CPU DY2G7+Thermal Pad F1RJC)
F1FF1 i7-2820QM 2.30GHz w/ Thermal Pad, Qual Core (Contain CPU 2VKDW+Thermal Pad F1RJC)
87D9W i7-2760QM 2.40GHz w/ Thermal Pad, Qual Core (Contain CPU MVVG6+Thermal Pad F1RJC)
4151X i7-2670QM 2.20GHz w/ Thermal Pad, Qual Core (Contain CPU X3KHH+Thermal Pad F1RJC)
P18YD i7-2720QM 2.20GHz w/ Thermal Pad, Qual Core (Contain CPU KN579+Thermal Pad F1RJC)
M4Y6F i7-2630QM 2.00GHz w/ Thermal Pad, Qual Core (Contain CPU 7YPMV+Thermal Pad F1RJC)
N87G0 i5-2430M 2.40GHz w/ Thermal Pad, Dual Core (Contain CPU 20V6K+Thermal Pad F1RJC)