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14. Remove the display hinges (2).
Display hinges are available using spare part number 646279-001 for 4530s models and
646280-001 for 4730s models.
15. If you need to remove the WLAN or WWAN antennas, lift the WLAN antenna cables (1) or
WWAN antenna cables (2) from the clips and routing paths (3) built into the display enclosure.
The WLAN antennas are available using spare part number 646276-001 for 4530s models,
646277-001 for 4730s models, and the WWAN antennas are available using spare part number
646278-001.
CAUTION: When installing the display assembly, be sure that the wireless antenna cables are
routed and arranged properly.
Failure to properly route the antennas can result in degradation of the computer's wireless
performance.
Component replacement procedures 109