Dell EMC NX3240 - 6 Installing and Removing System Components; Safety Instructions; Before Working Inside Your System

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Installing and removing system components
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Safety instructions
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: To ensure proper operation and cooling, all bays in the system and system fans must be always populated with a
component or a blank.
NOTE: When you select an option in the Setup or BIOS menu, you must conrm the option before proceeding to the next action.
NOTE: 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.
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Before working inside your system
Prerequisite
Follow the safety guidelines listed in Safety instructions.
Steps
1 Turn o 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 Rack Installation Guide at Dell.com/storagemanuals.
4 Remove the system cover.
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Installing and removing system components 63