Philips Iqon Desktop Spairs Or Repair !

Philips Iqon Desktop Computer Windows Home Basic Edition Been a gd computer the last 5yr it switches on but the only problem seems to be the operating system all im getting is a black screen with code im told it might need a new HDD but not a 100% iv went and bought my self a new windows 7 so looking to sell this is cheap it cost me 600 but iv bought my self a windows 7 unfortunatly i have a lot of people asking what spec it is but all i can really tell you is that it were 2.8ghz apart from that im clueless to the size of memory thats in it etc if any questions please ask ill get bk in touch same day but i dont know an awful lot about computers i only use them for watching movies and jumping around the internet thanks for looking