Lenovo B520e IdeaCentre B520e Hardware Maintenance Manual (English) - Page 35

Replacing the optical drive, cables

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Step 6. Align the new memory module with the socket, then insert it and push down on the top edge of the module. Make sure the latches lock the memory module in place. Step 7. Align then slide the computer cover back into position. Replacing the optical drive 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 optical drive: Step 1. Step 2. Step 3. Step 4. Step 5. Step 6. 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. Unplug all power cords from electrical outlets. 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. Remove the computer cover. Refer to "Removing the computer cover". Loosen the screw that secures the optical drive to the chassis. Push the optical drive so that it slides out of the drive bay. Chapter 8. Replacing hardware 29

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Step 6.
Align the new memory module with the socket, then insert it and push down on the top edge of the
module. Make sure the latches lock the memory module in place.
Step 7.
Align then slide the computer cover back into position.
Replacing the optical drive
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 optical drive:
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 computer cover. Refer to “Removing the computer cover”.
Step 5.
Loosen the screw that secures the optical drive to the chassis.
Step 6.
Push the optical drive so that it slides out of the drive bay.
Chapter 8
.
Replacing hardware
29