Lenovo H50-55 Lenovo H50 Series Hardware Maintenance Manual - Page 57

Replacingthemotherboard

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To replace the the front card reader module: Step 1. Step 2. Step 3. Step 4. Step 5. Step 6. Step 7. Step 8. 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. 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". Remove the front bezel. Refer to "Removing the front bezel". Disconnect the data cables from the connectors on motherboard. Remove the screw that secures the front card reader module to the chassis. Slide out the card reader module out of chassis. Step 9. Install the new front card reader module: a. Slide the front card reader module in and secure it with screw. b. Connect the data cables to the motherboard. Step 10. Reattach the front bezel, computer cover. Replacing the motherboard Note: For this procedure, it helps to lay the computer flat. To replace the motherboard: 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. Chapter 8. Replacing hardware 51

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To replace the the front card reader module:
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.
Remove the front bezel. Refer to “Removing the front bezel”.
Step 6.
Disconnect the data cables from the connectors on motherboard.
Step 7.
Remove the screw that secures the front card reader module to the chassis.
Step 8.
Slide out the card reader module out of chassis.
Step 9.
Install the new front card reader module:
a.
Slide the front card reader module in and secure it with screw.
b.
Connect the data cables to the motherboard.
Step 10. Reattach the front bezel, computer cover.
Replacingthemotherboard
Note:
For this procedure, it helps to lay the computer flat.
To replace the motherboard:
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.
Chapter 8
.
Replacing hardware
51