On 6/12/2015 7:09 PM, jd1008 wrote: >> > I want to thank you for posting your installation experience with > Centos 7. > My laptop is Latitude E6500 and I am quite certain it will experience > the same issue > because it is almost the same as your laptop. Difference might be in > cpu speed > and in RAM. My cpu is 2.81GHz dual core, and RAM is 8GB. the E6x00, E6x10, and E6x20 are completely different generations of the Core I processors and chipsets. The x can be 4 (14") or 5 (15"). so a E6520 and E6420 are nearly identical. the -00 were Core 2 Duo processors, with GM45 chipset. -10 were i5/i7 1st gen (3 digit) with QM57 chipset -20 were i3/i5/i7 2nd gen 2xxx with QM67 chipset -30 were i3/i5/i7 3rd gen 3xxx with QM77 chipset -40 are i3/i5/i7 4th gen 4xxx with QM87 chipset (these are current generation) each of these has a different set of choices for graphics, wifi, bluetooth, etc. so, no, what does or doesn't work on a E6500 has little to do with what will or won't work on a E6420. that said, these are very mainstream business laptops, I'd expect C7 to mostly work with them. -- john r pierce, recycling bits in santa cruz