hi guys,hope someone can help me with this problem.i have an acer aspire m3600 desktop running vista home premium.earlier in the day when my pc was on i disconnected from the internet from the desktop and restarted the pc,when it restarted it said"windows error recovery" windows could not start recommend running "system startup repair" ran this and it said "startup repair cannot repair this computer automatically" did the advanced option:memory test,system restore point etc but still nojoy,when i turn off and back on again i just get the black microsoft startup page with the green bar running,thanks for reading and hope you can help.ps i do not have any backup or recovery disks.