HP Stream 11-ak0000 Maintenance and Service Guide - Page 39

WLAN module, Remove the WLAN module

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WLAN module Table 5-7 WLAN module descriptions and part numbers Description Realtek RTL8821CE 802.11ac 1 × 1 Wi-Fi + Bluetooth 4.2 Realtek RTL8822BE 802.11ac 2 × 2 Wi-Fi + Bluetooth 4.2 Realtek RTL8822CE 802.11ac 2 × 2 Wi-Fi + Bluetooth 5.0 (MU-MIMO supported) Spare part number L17365-005 924813-855 L44796-005 IMPORTANT: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module and then receive a warning message, remove the module to restore device functionality, and then contact technical support. Before removing the WLAN module, follow these steps: 1. Prepare the computer for disassembly (Preparation for disassembly on page 22). 2. Remove the keyboard/top cover (see Keyboard/top cover on page 22). 3. Disconnect the battery (see Battery on page 30). Remove the WLAN module: 1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module. NOTE: The #1/white WLAN antenna cable connects to the WLAN module #1/Main terminal. The #2/ black WLAN antenna cable connects to the WLAN module #1/Aux terminal. 2. Remove the Phillips M2.0 × 2.5 screw (2) that secures the WLAN module to the bottom cover. (The WLAN module tilts up.) Component replacement procedures 31

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WLAN module
Table 5-7
WLAN module descriptions and part numbers
Description
Spare part number
Realtek RTL8821CE 802.11ac 1 × 1 Wi-Fi + Bluetooth 4.2
L17365-005
Realtek RTL8822BE 802.11ac 2 × 2 Wi-Fi + Bluetooth 4.2
924813-855
Realtek RTL8822CE 802.11ac 2 × 2 Wi-Fi + Bluetooth 5.0 (MU-MIMO supported)
L44796-005
IMPORTANT:
To prevent an unresponsive system, replace the wireless module only with a wireless module
authorized for use in the computer by the governmental agency that regulates wireless devices in your
country or region. If you replace the module and then receive a warning message, remove the module to
restore device functionality, and then contact technical support.
Before removing the WLAN module, follow these steps:
1.
Prepare the computer for disassembly (
Preparation for disassembly
on page
22
).
2.
Remove the keyboard/top cover (see
Keyboard/top cover
on page
22
).
3.
Disconnect the battery (see
Battery
on page
30
).
Remove the WLAN module:
1.
Disconnect the WLAN antenna cables
(1)
from the terminals on the WLAN module.
NOTE:
The #1/white WLAN antenna cable connects to the WLAN module #1/Main terminal. The #2/
black WLAN antenna cable connects to the WLAN module #1/Aux terminal.
2.
Remove the Phillips M2.0 × 2.5 screw
(2)
that secures the WLAN module to the bottom cover. (The WLAN
module tilts up.)
Component replacement procedures
31