Dell PowerEdge R740xd - 6 Installing and Removing System Components; Safety Instructions; Before Working Inside Your System; After Working Inside Your System

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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 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 ve minutes. Operating the system without the

system cover can result in component damage.

CAUTION: Many repairs may only be done by a certied 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: 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

Prerequisite

Follow the safety guidelines listed in Safety instructions.

Steps

1 Turn o the system, including any 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 Rack Installation Guide at Dell.com/poweredgemanuals.

4 Remove the system cover.

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