hi, as told i tried to run the dell f-12 diagnostics by pressing F12 and its giving me and error code 20000142 ,validation 78613 saying short self test unsuccessful on hard disk drive.the system is booting up in windows 8 but its very slow like it takes around 20 mins to boot and after turning on whenever i try to open any software like internet explorer or any folder it says not responding. mines is a dell inspiron 15 r 7520(SE) purchased in september 2013. the configuration is inter i5,4gb ram,i tb hard disk with windows 8 home edition.
what can be done in this case?
regards
jeetesh