Dell EMC PowerEdge R940xa, Инструкция по установке и обслуживанию, Страница: 45 / 177

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: 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 Safety instructions .
Steps
1. Turn off the system, including all attached peripherals.
2. Disconnect the system from the electrical outlet and disconnect the peripherals.
3. If applicable, remove the system from the rack.
For more information, see the Rail Installation Guide at www.dell.com/poweredgemanuals .
4. Remove the system cover .
After working inside your system
Prerequisites
Follow the safety guidelines listed in Safety instructions .
Steps
1. Replace the system cover .
2. If applicable, install the system into the rack.
For more information, see the Rail Installation Guide at www.dell.com/poweredgemanuals .
3. Reconnect the peripherals and connect the system to the electrical outlet.
4. 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
• Wrist grounding strap
Front bezel
A lock on the bezel is used to protect unauthorized access to the drives. The system status can be viewed on the bezel with the LCD
panel. For more information, see
LCD panel .
Installing and removing system components 45