Owners Manual
Installing and removing system components
Safety instructions
NOTE: 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 when the system is on may expose you to a risk of electric shock.
CAUTION: Do not operate the system without the cover for a duration exceeding five minutes.
CAUTION: 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 came with the product.
NOTE: Dell recommends that you always use a static mat and static strap while working on components inside the
system.
NOTE: To ensure proper operation and cooling, all bays in the system must be populated at all times with either a
module or with a blank.
Before working inside your system
1. Turn off the system, including any attached peripherals.
2. Disconnect the system from the electrical outlet and disconnect the peripherals.
3. Remove the system cover.
After working inside your system
1. Install the system cover.
2. Reconnect the system to its electrical outlet.
3. Turn the system on, including any attached peripherals.
Recommended tools
You need the following tools to perform the removal and installation procedures:
• Key to the bezel lock. This is only required when you have a bezel.
• #2 Phillips screwdriver
For how-to videos, documentation, and troubleshooting solutions, scan this QR code, or click here: http://www.Dell.com/QRL/
Workstation/R7910
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