Guys,
I have 2 year old Inspiron 15R SE 7520, Im getting shot self test failure (error 2000:0142) in pre boot diagnostics for past 1 year , yet It worked fine , except some freeze,hang during heavy usage. for past 1 week lap doesnt boot , sometimes hdd not detected in preboot menu (error 2000:155) .
PS: i have already refreshed(reinstalled) Windows 8,
Nw ,stuck on blue screen Says turn off pc , advanced settings ,cant refresh ,reset , reinstall again says windows installed drive is locked
Plz, if any one have a solutions, plz help me guys