You mentioned its external.....is it connect via USB or firewire? Could be possible either your USB or firewire drivers are corrupted as well.
__________________
Asus A8N SLI Deluxe
AMD Athlon 64 3500+ Venice
2GB OCZ Platinum PC3200 - Dual Channel
2x WD 74GB Raptor 10,000RPM - RAID 0
eVGA geForce 7800GTX
Sound Blaster Audigy 2 ZS
Logitech Z-5500 Digital THX 5.1 1010W
19' Samsung 915N 8ms
Raidmax 520W PSU
|