Before Working Inside Your System; After Working Inside Your System; Recommended Tools - Dell PowerEdge E31S Series Owner's Manual

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.

Before working inside your system

Prerequisites
Follow the safety guidelines listed in the Safety instructions section.
Steps
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.
For more information, see the Rack Installation placemat at Dell.com/poweredgemanuals.
5. Remove the system cover.
Related tasks
Removing the optional front bezel
Removing the system cover

After working inside your system

Prerequisites
Follow the safety guidelines listed in the Safety instructions section.
Steps
1. Install the system cover.
2. If applicable, install the system into the rack.
For more information, see the Rack Installation placemat at Dell.com/poweredgemanuals.
3. If removed, install the front bezel.
4. Reconnect the peripherals and connect the system to the electrical outlet.
5. Turn on the system, including any attached peripherals.
Related tasks
Installing the system cover
Installing the optional front bezel

Recommended tools

You need the following tools to perform the removal and installation procedures:
● Key to the bezel lock.
The key is needed only if your system includes a bezel.
● Phillips #1 screwdriver
● Phillips #2 screwdriver
● Torx #T6, #T8, #T10, and #T15 screwdrivers
● Wrist grounding strap
You need the following tools to assemble the cables for a DC power supply unit.
● AMP 90871-1 hand-crimping tool or equivalent
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Installing and removing system components 67