Owners Manual

Table Of Contents
Removing the 3.5 inch drive rear backplane........................................................................................................141
Installing the 3.5 inch drive rear backplane.......................................................................................................... 141
Removing the 2.5 inch drive rear backplane....................................................................................................... 142
Installing the 2.5 inch drive rear backplane......................................................................................................... 143
Cable routing.....................................................................................................................................................................144
System battery.................................................................................................................................................................154
Replacing the system battery................................................................................................................................. 154
Optional internal USB memory key............................................................................................................................. 155
Optional internal USB memory key details.......................................................................................................... 155
Replacing the optional internal USB memory key..............................................................................................155
Power supply units.......................................................................................................................................................... 156
Power supply unit details......................................................................................................................................... 156
Hot spare feature...................................................................................................................................................... 156
Removing a power supply unit blank.....................................................................................................................157
Installing a power supply unit blank....................................................................................................................... 157
Removing a power supply unit................................................................................................................................158
Installing a power supply unit..................................................................................................................................158
Wiring instructions for a DC power supply unit..................................................................................................159
System board....................................................................................................................................................................162
Removing system board...........................................................................................................................................162
Installing system board............................................................................................................................................. 164
Trusted Platform Module...............................................................................................................................................166
Upgrading the Trusted Platform Module............................................................................................................. 166
Initializing TPM for BitLocker users.......................................................................................................................167
Initializing the TPM 1.2 for TXT users...................................................................................................................167
Initializing the TPM 2.0 for TXT users..................................................................................................................168
Control panel.....................................................................................................................................................................168
Control panel details................................................................................................................................................. 168
Removing the left control panel............................................................................................................................. 168
Installing the left control panel............................................................................................................................... 169
Removing the right control panel...........................................................................................................................170
Installing the right control panel..............................................................................................................................171
Chapter 5: System diagnostics...................................................................................................173
Dell Embedded System Diagnostics............................................................................................................................ 173
Running the Embedded System Diagnostics from Boot Manager................................................................. 173
Running the Embedded System Diagnostics from the Dell Lifecycle Controller........................................ 173
System diagnostic controls......................................................................................................................................173
Chapter 6: Jumpers and connectors .......................................................................................... 175
System board jumpers and connectors...................................................................................................................... 175
System board jumper settings...................................................................................................................................... 177
Disabling forgotten password....................................................................................................................................... 177
Chapter 7: Getting help..............................................................................................................178
Contacting Dell EMC.......................................................................................................................................................178
Documentation feedback............................................................................................................................................... 178
Accessing system information by using QRL............................................................................................................ 178
Quick Resource Locator for PowerEdge R740 and R740xd systems........................................................... 179
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Contents