Dell POWEREDGE 840 Hardware Owner's Manual page 158

troubleshooting (continued)
cooling fans, 99
damaged system, 97
diskette drive, 101
expansion card, 108
external connections, 96
hard drive, 104
hard drives (SATA), 105
keyboard, 93
memory, 100
microprocessor, 109
mouse, 93
NIC, 95
power supplies, 98
SAS RAID controller daughter
card, 107
serial I/O device, 94
start-up routine, 91
system cooling, 99
tape drive, 103
USB device, 95
video, 92
wet system, 96
158
Index
U
upgrades
processor, 78
USB device
troubleshooting, 95
using system setup, 29
V
video
troubleshooting, 92
W
warning messages, 28
warranty, 9
wet system
troubleshooting, 96