Safety Instructions; Before Working Inside Your System; After Working Inside Your System - Dell E28S Series Owner's Manual

Installing and removing system components

Safety instructions

Before working inside your system

Before you begin
Follow the safety guidelines listed in the Safety instructions section.
Procedure
1. Turn off the system, including any attached peripherals.
2. Disconnect the system from the electrical outlet and disconnect the peripherals.
3. If installed, remove the front bezel.
4. If applicable, remove the system from the rack.
5. Remove the system cover.

After working inside your system

Before you begin
Follow the safety guidelines listed in the Safety instructions section.
Procedure
1. Install the system cover.
2. If applicable, install the system into the rack.
3. If removed, install the optional front bezel.
4. Reconnect the peripherals and connect the system to the electrical outlet.
5. Turn on the system, including any attached peripherals.
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Note: 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 cover while the system is powered on may expose
you to a risk of electric shock.
CAUTION Do not operate the system without the cover for a duration exceeding five minutes.
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 are shipped with your product.
Note: Dell recommends 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 bays in the system and system fans must be
populated always with either a component or with a blank.
For more information, see the
For more information, see the
Rack Installation placemat at Dell.com/poweredgemanuals.
Rack Installation placemat at Dell.com/poweredgemanuals.