I have a medion ext.hard drive firewire connected.It worked fine.Now its ok on startup,after a while it disappears.It shows yellow exclemation mark in device manager,with error code 43.I have to restart to get it back,then same again.Inst. SP2 but same problem.Can anyone help.

pc specs? . . .

try this link to see if this helps a bout error code 43 if not as chou said what are your pc specs

http://www.microsoft.com/resources/d...k_dec_lgsc.asp