Lenovo 10140/90AC, Руководство по обслуживанию

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Step 8. Pull the tray to opposite direction to release the pin that lock the usb-audio module to the tray,
then pull the usb-audio module out.
Step 9. To install the new usb-audio module:
a. Slide the new usb-audio module into position.
b. Line up the USB-audio-card reader module tray with the guide, then push it into position,
then lock it.
c. Reattach the top cover.
Step 10. Reattach the front bezel and computer cover.
Replacing the front I/O board
Note: For this procedure, it helps to lay the computer flat.
To replace the front I/O board:
Step 1. Remove any media (disks, CDs, DVDs, or memory cards) 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 “Left and right view”
and “Rear view” for help with locating the various connectors.
Step 4. Remove the computer cover. Refer to “Removing the computer cover”.
Step 5. Use a screw driver to push the pin that lock top cover to the chassis 1 , then slide the top cover
toward the rear of the computer to remove the top cover. 2
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Lenovo Erazer X510Hardware Maintenance Manual