HP ENVY Ultrabook 4-1043cl HP Envy 4 - Maintenance and Service Guide - Page 72

WLAN antenna cables

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3. Remove the 3 screws from each hinge on the top cover (1), and then remove the top cover (2). Reverse this procedure to install the top cover. WLAN antenna cables Description WLAN antennas Spare part numbers 686573-001 Before removing the antenna cables: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the display panel (see Display panel on page 31). 5. Remove the base enclosure (see Base enclosure on page 33). 6. Disconnect the battery cable (see Battery on page 35. Remove the WLAN antenna cables: 64 Chapter 4 Removal and replacement procedures

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3.
Remove the 3 screws from each hinge on the top cover
(1)
, and then remove the top cover
(2)
.
Reverse this procedure to install the top cover.
WLAN antenna cables
Description
Spare part numbers
WLAN antennas
686573–001
Before removing the antenna cables:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4.
Remove the display panel (see
Display panel
on page
31
).
5.
Remove the base enclosure (see
Base enclosure
on page
33
).
6.
Disconnect the battery cable (see
Battery
on page
35
.
Remove the WLAN antenna cables:
64
Chapter 4
Removal and replacement procedures