Lenovo Beacon Lenovo Beacon Hardware Maintenance Manual - Page 31

Replacing the middle frame, Attention

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Replacing the middle frame Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage. To replace the middle frame Step 1. Remove any media (disks, CDs, 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 middle frame short side. Step 5. Remove the middle frame as shown. Chapter 7. Replacing hardware 25

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Chapter 7. Replacing hardware
Replacing the middle frame
Attention:
Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Note:
It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo
recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from
scratches or other damage.
To replace the middle frame
Step 1.
Remove any media (disks, CDs, 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 middle frame short side.
Step 5.
Remove the middle frame as shown.