hi all

this laptop prolbam is some Strange
main problem is that laptop hang sometime

it not seen like a i7-4g/ssd
its too slow

i change ram and cpu and hdd
but no change

Temperature is normal in stress tests
hdd is ok on mhdd
ram is ok on memtest86+

but until it freez anywhere(windows,dos,bios,...)

i dont kwow what i should do
plz help me
tnx

just 1 of 4 ram slot work

its Related to cpu or pch