Dell 7420 Laptop User Manual


 
Replacing the Memory Module(s) | 33
12
Replacing the Memory Module(s)
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 9. For additional safety best practices information, see the Regulatory
Compliance Homepage at dell.com/regulatory_compliance.
Procedure
CAUTION: If you need to install memory modules in two connectors, install a
memory module in the connector labeled "DIMM A" before you install a memory
module in the connector labeled "DIMM B."
1 Align the notch on the memory module with the tab on the
memory-module connector.
2 Slide the memory module firmly into the slot at a 45-degree angle, and press the
memory module down until it clicks into place. If you do not hear the click, remove
the memory module and reinstall it.
NOTE: If the memory module is not installed properly, the computer
may not boot.
1tab 2notch
1
2
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