Memory Module Replacement Instructions
854252-001  1 
Memory Module Replacement 
Instructions 
Before you be
g
in 
Observe the following requirements before removing and 
replacing memory. 
WARNING: Never open the cover with the power cord 
attached or power applied. You might damage your 
computer or be injured by the spinning fan blades. 
WARNING: Avoid touching sharp edges in the computer. 
WARNING: Keep your hands and tools away from the 
moving fan. 
CAUTION: Static electricity can damage the electronic 
components inside the computer. Discharge static electricity 
by touching the metal cage of the computer before touching 
any internal parts or electronic components. 
Troubleshooting 
If the computer displays a memory error after you have 
turned it back on, turn the computer off and unplug the 
power cord. Then open up the memory compartment and 
make sure the memory card is firmly seated. To install it 
correctly, make sure it is inserted all the way into the slot, 
and then push down on it to snap it into place. 
Memory compatibility 
Models with 6
th
 generation Intel processors 
The computer uses uDIMMs (unbuffered dual-inline memory 
modules) that must meet the following requirements: 
● 288-pin 
● DDR4-2133 
● 1.2 V 
● 16 GB maximum installable memory 
Models with AMD processors 
The computer uses uDIMMs (unbuffered dual-inline 
memory modules) that must meet the following 
requirements: 
● 240-pin 
● DDR3-1600 
● 1.5 V 
● 8 GB maximum installable memory 
Because the memory uses dual channels, you must use the 
same memory module type for both sockets. 
NOTE: The actual memory transfer speed might vary, 
based on the processor used in your computer. 
NOTE: Memory performance might vary due to different 
system configurations. 
NOTE: Computer appearance and features may vary by 
model. 
Removing the memory module 
1.  Disconnect the power cord and all attached cables 
from the back of the computer. 
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