Acer M511 User Manual page 40

29
Problems with the Projector
# Condition
1 The projector stops responding
to all controls
2 Lamp burns out or makes a
popping sound
3 Wifi or Bluetooth cannot be
detected normally.
Solution
•
If possible, turn off the projector, then
unplug the power cord and wait at
least 30 seconds before reconnecting
power.
•
When the lamp reaches the end of its
useful life, it will burn out and may
make a loud popping sound. If this
happens, the projector will not turn on
until the lamp module has been
replaced. To replace the lamp, follow
the procedures in the "Replacing the
Lamp (For service personnel only)"
section.
•
Plug in wifi dongle agian and restart
projector.