Safety instructions

Warning: Many repairs may only be done by a certified 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: Dell recommends that you always use an antistatic mat and antistatic wrist strap while working on components inside the system.
Note: To ensure proper operation and cooling, all bays in the system must be populated always with either a system component or with a blank.