3. To verify if the memory module has been installed properly, press F2 and navigate to System Setup Main Menu > System
BIOS > Memory Settings. In the Memory Settings screen, the System Memory Size must reflect the updated capacity of
the installed memory.
4. If the System Memory Size is incorrect, one or more of the memory modules may not be installed properly. Ensure that the
memory modules are firmly seated in their sockets.
5. Run the system memory test in system diagnostics.
Processor and heat sink
Removing a heat sink
Prerequisites
1. Follow the safety guidelines listed in the Safety instructions.
2. Follow the procedure listed in the Before working inside your system.
3. If installed, remove the air shroud.
WARNING: The heat sink and processor are too hot to touch for some time after the system has been powered
off. Allow the heat sink and processor to cool down before handling them.
NOTE: The procedure to uninstall standard and L-type heat sink is similar.
Steps
1. Using a Torx #T20 screwdriver, fully loosen the captive screw all the way before moving to the next screw (on one-screw-
at-a-time basis).
NOTE: Follow the screw sequence defined on the heat sink label. Disassembly order: 6, 5, 4, 3, 2, 1
NOTE: The captive screw numbers are marked on the heat sink.
2. Lift the heat sink from the system.
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Installing and removing system components
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