Check to see if the projector needs firmware update.
On the remote control, press MENU and select Information.
Scroll down to Soft Ver. and make a note of the firmware version which you will enter in the SOFT VER field below.
Please specify the version numbers for the following as shown on your setup screen (or '0000' for D-ILA projectors).
Microsoft® Windows Vista®, Windows® XP or Windows® 7: 32-bit/64-bit
Straight LAN cable