Installing The Power Supply Unit; System Battery; Replacing The System Battery - Dell E80S Series Installation And Service Manual

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Installing the power supply unit

Prerequisites
1. Follow the safety guidelines listed in the
2. Follow the procedure listed in
Steps
1. Place the D12 PSU in the system and slide it toward the back of the system until it is fully seated.
2. Tighten the screws to secure the PSU to the system.
Figure 49. Installing the D12 PSU
3. Bundle the PSU cable with equal interval spaces between cable tie.
Next steps
1. Connect the power cable and the power dongle cable on the system board connectors.
2. Follow the procedure listed in

System battery

This is a service technician replaceable part only.

Replacing the system battery

Prerequisites
WARNING:
A new battery can explode if it is installed incorrectly. Replace the battery only with the same
or equivalent type that is recommended by the manufacturer. Discard used batteries according to the
manufacturer's instructions. For more information, see the Safety instructions documentation that is shipped
with your system.
58
Installing and removing system components
Safety
instructions.
Before working inside your
After working inside your
system.
system.

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