Lenovo H50-55 Lenovo H50 Series Hardware Maintenance Manual - Page 56

ReplacingtheWi-Ficard

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Replacing the Wi-Fi card Note: For this procedure, it helps to lay the computer flat. To replace the Wi-Fi card: 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 graphic card. Refer to "Replacing the graphic card." Disconnect the 2 antenna cables from the Wi-Fi card. Remove the 2 screws that secure the Wi-Fi card to the motherboard. Pull the Wi-Fi card upward to remove it from the card port. Step 9. Install the new Wi-Fi card: a. Line up the new Wi-Fi card, then insert it into the same card port. b. Secure the Wi-Fi card to the motherboard with the 2 screws. c. Connect the 2 antenna cables to the new Wi-Fi card. Step 10. Reattach the graphic card, computer cover. Replacing the front card reader module Note: For this procedure, it helps to lay the computer flat. 50 Lenovo H50 SeriesHardware Maintenance Manual

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ReplacingtheWi-Ficard
Note:
For this procedure, it helps to lay the computer flat.
To replace the Wi-Fi card:
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 graphic card. Refer to “Replacing the graphic card.”
Step 6.
Disconnect the 2 antenna cables from the Wi-Fi card.
Step 7.
Remove the 2 screws that secure the Wi-Fi card to the motherboard.
Step 8.
Pull the Wi-Fi card upward to remove it from the card
port.
Step 9.
Install the new Wi-Fi card:
a.
Line up the new Wi-Fi card, then insert it into the same card port.
b.
Secure the Wi-Fi card to the motherboard with the 2 screws.
c.
Connect the 2 antenna cables to the new Wi-Fi card.
Step 10. Reattach the graphic card, computer cover.
Replacingthefrontcardreadermodule
Note:
For this procedure, it helps to lay the computer flat.
50
Lenovo H50 SeriesHardware Maintenance Manual