After Working Inside Your Computer - Dell Precision 7920 Owner's Manual

Steps
1. Ensure that you follow the Safety instructions.
2. Turn off the system, including any attached peripherals.
3. Disconnect the system from the electrical outlet and disconnect the peripherals.
4. If applicable, remove the system from the rack.
5. Remove the system cover.

After working inside your computer

About this task
After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning
on your computer.
Steps
1. Replace the cover.
2. If applicable, install the system into the rack.
3. Reconnect the peripherals and connect the system to the electrical outlet.
4. Turn on the system, including any attached peripherals.
Working on your computer 7