![](/images/new-backgrounds/1110905/110905251x1.webp)
E
error messages, 24
expansion cards, 68 installing, 71 removing, 69 replacing, 71 troubleshooting, 112
F
front bezel insert, 49 removing, 47 replacing, 48
front panel features, 10
G
guidelines
connecting external devices, 13 memory installation, 73
H
hard drive installing, 59, 63 removing, 57, 61 troubleshooting, 111
I
I/O panel installing, 93 removing, 91 replacing, 93
indicators
insert on front bezel removing, 49 replacing, 50
installing
chassis intrusion switch, 90 cooling fan, 83 expansion cards, 71
hard drive, 59, 63 I/O panel, 93 memory modules, 76 power supply, 87 processor, 81 system battery, 84 system board, 96 tape drive, 55
K
keyboards troubleshooting, 100
126
Index