
Insert the coin-cell battery into the socket with the positive side (+) labeled facing up and snap the battery in the socket.
Next steps
1. Install the
2. Install the
.
3. Follow the procedure in
After working inside your computer
.
Power-supply unit
Removing the power-supply unit
Prerequisites
1. Follow the procedure in
Before working inside your computer
.
2. Remove the
3. Remove the
processor fan and heat-sink assembly
4. Remove the
.
NOTE:
Note the routing of all cables as you remove them so that you can route them correctly while you are replacing
the power-supply unit.
About this task
The following images indicate the location of the power-supply unit and provides a visual representation of the removal procedure.
40
Disassembly and reassembly
Summary of Contents for D28M
Page 1: ...OptiPlex 7071 Tower Service Manual Regulatory Model D28M Regulatory Type D28M001 ...
Page 41: ...Disassembly and reassembly 41 ...
Page 43: ...Disassembly and reassembly 43 ...
Page 60: ...60 Disassembly and reassembly ...
Page 61: ...Disassembly and reassembly 61 ...
Page 63: ...Disassembly and reassembly 63 ...
Page 64: ...64 Disassembly and reassembly ...
Page 65: ...Disassembly and reassembly 65 ...
Page 83: ...5 Click Begin Flash Update and then a warning message is displayed System setup 83 ...
Page 84: ...6 Click Yes The systems restarts automatically and starts BIOS Flash 84 System setup ...