it happen last week ..... the computer working fine after 2 and a half year then the nexy day i start my computer....boom!!! there are many vertical line ... the icon are bigger than normal.... then i go check my Nvidia 8600 GTS ..there was error of code 43 !!! what is the cause of this problem and how to fix it.... If can....I does not wan to invest my money into this computer because i gonna buy a new one next year...... Please help me..... please let me know what information did u all need... any reply would be appreciated ....