Firmware
GS Series 630-635 Service Manual
33
020-001224-02 Rev. 1 (08-2018)
Recovering when the LAN firmware upgrade fails
If the firmware recovery did not work, complete the following steps to recover the local area
network.
1. Connect AC power and turn the power switch to on position.
2. Press the UP key followed by the Power key. Long press these two keys untill the RJ45 LED
flashes twice.
3. Turn the power switch off, and wait for about 10 seconds.
4. Turn the power switch on.
5. To turn on the projector, press Power.
The projector takes about one minute to initialize.
6. On your computer, double-click Wizard OPFU.EXE.
7. On the Update Details tab, select Please check firewall has been closed and Restore
(Continue to the last update state).
8. To start restoring the firmware upgrade, press Next.
The LAN firmware upgrade takes about five minutes. The firmware upgrade continues after the
LAN firmware upgrade finished successfully.
9. After the LAN firmware upgrade has finished, remove the power cord.
Before starting firmware upgrade, make sure the firewall and anti-virus software are turned off on
your computer.