6–8 376220-001 Service Reference Guide, dc5100
Removal and Replacement Procedures— Microtower (MT) Chassis
6.6 Memory Modules
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CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is
important to use memory modules with gold metal contacts to prevent corrosion and/or oxidation
resulting from having incompatible metals in contact with each other.
Static electricity can damage the electronic components of the computer or optional cards. Before
beginning these procedures, ensure that you are discharged of static electricity by briefly touching a
grounded metal object. Refer to Chapter 5 for more information.
When handling a memory module, be careful not to touch any of the contacts. Doing so may damage
the module.
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (
Section 6.3, “Access Panel”).
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WARNING: To reduce risk of personal injury from hot surfaces, allow the internal system components to
cool before touching.
3. Open both latches of the memory module socket 1, and insert the memory module into the
socket 2. Begin by installing a module into the socket nearest the preinstalled module, and
install the modules following the numerical order of the sockets.
✎
A memory module can be installed in only one way. Match the notch on the module with the tab
on the memory socket.
It may be easier to install a memory module in some cases if the main power cable from the
power supply to the system board is temporarily disconnected.
4. Push the module down into the socket, ensuring that the module is fully inserted and
properly seated. Make sure the latches are in the closed position 3.
5. Repeat steps 3 and 4 for any additional modules that you want to install.
To reassemble the computer, reverse the removal procedure.
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