Lenovo 90G5, Hardware Maintenance Manual

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Step 13. Position the new memory module over the memory connector. Make sure the notch 1 on the
memory module is correctly aligned with the connector key 2 on the system board. Push the
memory module straight down into the connector until the retaining clips close.
Step 14. Pivot the drive bay assembly downward.
Step 15. Reinstall all the removed parts, and then reconnect the cables.
Replacing the Wi-Fi card
Note: For this procedure, it helps to lay the computer flat.
To replace the Wi-Fi card:
Step 1. Remove any media from the drives, shut down the operating system, and turn off the computer
and all attached devices.
Step 2. Unplug all power cords from electrical outlets.
Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to Locating connectors,
controls and components to locate the various connectors.
Step 4. Remove the computer cover. Refer to Removing the computer cover.
Step 5. Remove the front bezel. Refer to Removing the front bezel.
Step 6. Pivot the drive bay assembly upward.
Step 7. Remove the screw that secure the Wi-Fi card to the motherboard 1 .
Step 8. Remove the Wi-Fi card cover
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ideacentre 310/510 Series Hardware Maintenance Manual