Lenovo C325 Lenovo C225\C320\C325 Hardware Maintenance Manual - Page 58

Replacing the LED panel

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Replacing the LED panel Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 LED panel: Step 1. Step 2. Step 3. Step 4. Step 5. Step 6. Step 7. Step 8. Step 9. 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 optical drive. Refer to "Replacing the optical drive". Remove the hard disk drive cover. Refer to "Replacing the hard disk drive". Remove the speaker cover. Refer to "Removing the speaker cover". Remove the computer cover. Refer to "Removing the computer cover". Remove the speaker system. Refer to "Replacing the speaker system". Disconnect the 3 cables as shown. Step 10. Remove the 15 screws that secure the chassis to the front bezel. 54 Lenovo C2/C3 Hardware Maintenance Manual

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Replacing the LED panel
Note:
Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the
computer 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 LED panel:
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 optical drive. Refer to “Replacing the optical drive”.
Step 5.
Remove the hard disk drive cover. Refer to “Replacing the hard disk drive”.
Step 6.
Remove the speaker cover. Refer to “Removing the speaker cover”.
Step 7.
Remove the computer cover. Refer to “Removing the computer cover”.
Step 8.
Remove the speaker system. Refer to “Replacing the speaker system”.
Step 9.
Disconnect the 3 cables as shown.
Step 10. Remove the 15 screws that secure the chassis to the front bezel.
54
Lenovo C2/C3 Hardware Maintenance Manual