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Installing and removing system components

Safety instructions

WARNING: Whenever you need to lift the system, get others to assist you. To avoid injury, do not
attempt to lift the system by yourself.
WARNING: Opening or removing the system covers when the system is on may expose you to a
risk of electric shock.
CAUTION: Do not operate the system without the covers. This can cause damage to components.
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
NOTE: It is recommended that you always use a static mat and static strap while working on
components inside the system.
NOTE: To ensure proper operation and cooling, all GPU bays in the system must be populated at all
times with either a module or with a blank.

Before working inside your system

1. Turn off the system, including any attached peripherals.
2. Disconnect the system from the electrical outlet and disconnect the peripherals.
3. Remove the system from the rack.
4. Remove the system top cover (back).

After working inside your system

1. Install the system top cover (back).
2. Install the system into the rack.
3. Reconnect the peripherals and connect the system to the electrical outlet.
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