Wlan Failure - Acer Aspire 7739 Service Manual

WLAN Failure

0
If the WLAN fails, perform the following, one at a time. Do not replace a non-defective FRU:
S ta r t
T u r n o n W L A N d e v ic e
N o
W L A N d e v ic e t u r n o n ? fr o m A c e r R in g D e v ic e
C o n tr o l
C h e c k W L A N a n te n n a w e ll
R e - a s s e m b le W L A N
N o
c o n n e c t ?
a n te n n a
C h e c k W L A N a n te n n a ? N o
S w a p W L A N a n te n n a
R e a s s e m b le W /L
C h e c k W /L d e v ic e in s e r t w e ll? N o
d e v ic e
R e - in s ta ll W L A N d r iv e r o r
C h e c k W L A N d e v ic e O K ?
N o
S w a p W L A N m o d u le
R e p la c e M /B
Figure 4-9. WLAN Failure
4-14 Troubleshooting