Before Working Inside Your System; After Working Inside Your System; Recommended Tools; Optional Front Bezel - Dell PER4402A Installation And Service Manual

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NOTE:
It is recommended that you always use an antistatic mat and antistatic strap while working on components inside
the system.
CAUTION:
To ensure proper operation and cooling, all bays in the system and system fans must be always
populated with a component or a blank.

Before working inside your system

Prerequisites
Follow the safety guidelines listed in
Steps
1. Turn off the system, including all attached peripherals.
2. Disconnect the system from the electrical outlet and disconnect the peripherals.
3. Remove the system cover.

After working inside your system

Prerequisites
Follow the safety guidelines listed in
Steps
1. Install the system cover.
2. Reconnect the peripherals and connect the system to the electrical outlet.
3. Turn on the attached peripherals and then turn on the system.

Recommended tools

You need the following tools to perform the removal and installation procedures:
● Key to the bezel lock
The key is required only if your system includes a bezel.
● Phillips #1 screwdriver
● Phillips #2 screwdriver
● Torx #T30 screwdriver
● Torx #T8 screwdriver
● Wrist grounding strap

Optional front bezel

Removing the front bezel

The procedure to remove the front bezel with and without the LCD panel is the same.
Prerequisites
Follow the safety guidelines listed in
26
Installing and removing system components
Safety
instructions.
Safety
instructions.
Safety
instructions.

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