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Locating connectors on the rear of your
computer . . . . . . . . . . . . . . . 76
Locating major FRUs and CRUs . . . . . . 78
Looking up FRU information . . . . . . . 79
Locating parts on the system board . . . . 80
Locating internal drives . . . . . . . . . 81
Chapter 9. Replacing FRUs (machine
type: 10AR) . . . . . . . . . . . . . . 83
Handling static-sensitive devices . . . . . . . 83
Installing or replacing hardware . . . . . . . . 83
Installing external options . . . . . . . . 83
Removing the computer cover. . . . . . . 85
Removing and reinstalling the front bezel . . 86
Replacing the hard disk drive . . . . . . . 87
Replacing the solid-state drive . . . . . . 89
Replacing the optical drive . . . . . . . . 91
Replacing the slim card reader . . . . . . 92
Replacing the front audio and USB
assembly . . . . . . . . . . . . . . . 95
Replacing the power supply assembly . . . 96
Replacing the system fan. . . . . . . . . 98
Replacing the heat sink and fan assembly . . 99
Replacing the microprocessor. . . . . . . 101
Installing or replacing a PCI card. . . . . . 104
Replacing the battery . . . . . . . . . . 107
Installing or replacing a memory module. . . 108
Replacing the system board . . . . . . . 110
Replacing the Wi-Fi units. . . . . . . . . 113
Installing or removing the rear Wi-Fi
antenna . . . . . . . . . . . . . . . 118
Installing or removing the front Wi-Fi
antenna . . . . . . . . . . . . . . . 120
Completing the parts replacement . . . . . 122
Chapter 10. Replacing FRUs (machine
type: 10AQ) . . . . . . . . . . . . . 125
Handling static-sensitive devices . . . . . . . 125
Installing or replacing hardware . . . . . . . . 125
Installing external options . . . . . . . . 125
Removing the computer cover. . . . . . . 126
Removing and reinstalling the front bezel . . 127
Accessing the system board components and
drives . . . . . . . . . . . . . . . . 128
Replacing the heat sink and fan assembly . . 129
Replacing the hard disk drive . . . . . . . 132
Replacing the solid-state drive . . . . . . 134
Replacing the system fan. . . . . . . . . 138
Replacing the optical drive . . . . . . . . 140
Replacing the slim card reader . . . . . . 143
Replacing the front audio and USB
assembly . . . . . . . . . . . . . . . 146
Replacing the power supply assembly . . . 147
Replacing the microprocessor. . . . . . . 150
Installing or replacing a PCI card. . . . . . 153
Replacing the battery . . . . . . . . . . 155
Installing or replacing a memory module. . . 156
Replacing the system board . . . . . . . 158
Replacing the Wi-Fi units. . . . . . . . . 161
Installing or removing the rear Wi-Fi
antenna . . . . . . . . . . . . . . . 165
Installing or removing the front Wi-Fi
antenna . . . . . . . . . . . . . . . 167
Completing the parts replacement . . . . . 169
Chapter 11. Additional service
information . . . . . . . . . . . . . 171
Security features . . . . . . . . . . . . . . 171
Hardware controlled passwords . . . . . . 171
Operating system password . . . . . . . 171
Vital product data. . . . . . . . . . . . 171
BIOS levels . . . . . . . . . . . . . . . . 171
Flash update procedures . . . . . . . . . . 171
Updating (ashing) the BIOS from a disc. . . 172
Updating (ashing) the BIOS from your
operating system . . . . . . . . . . . . 173
Recovering from a POST/BIOS update
failure . . . . . . . . . . . . . . . . 173
Power management . . . . . . . . . . . . 174
Automatic conguration and power interface
(ACPI) BIOS . . . . . . . . . . . . . . 174
Automatic Power-on features . . . . . . . 174
Appendix A. Notices. . . . . . . . . 175
Television output notice . . . . . . . . . . . 176
European conformance CE mark . . . . . . . 176
Trademarks . . . . . . . . . . . . . . . . 176
Index. . . . . . . . . . . . . . . . . 177
ii ThinkCentre E93 Hardware Maintenance Manual