1070 Memory module
For access, remove this FRU:
• "1020 Base cover assembly" on page 72
Removal steps of the memory module
When installing: Insert the notched end of the memory module into the memory slot. Press the memory
module in firmly, and pivot it downward until it snaps into place. Ensure that the memory module is firmly
installed in the slot and does not move easily.
Notes:
• If you install only one memory module, ensure your install it in the memory slot next to the thermal fan
assembly.
• Memory module replacement might cause memory retraining during POST. When memory retraining
occurs, the screen cannot display the progress information and might be blank. You might see the LED
indicators on ESC, F1, and F4 blinking sequentially to indicate the progress. Do not press the power
button to interrupt the process. Wait a few minutes until the logo screen is displayed.
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ThinkPad L14 Gen 4 and L15 Gen 4 Hardware Maintenance Manual