You need to check: the Vga cables if the image shown is that from a computer firstly check if the Panasonic logo comes ok in the beginning if ok then try connecting a laptop directly thru a short patch cable to the computer port of the projector[i am assuming that the projector has been installed to the ceiling] if this works ok , then the projector is fine! you need to figure out the problem with the vga cabling and switchers if any of them are used!
Answers & Comments
You need to check:
the Vga cables if the image shown is that from a computer
firstly check if the Panasonic logo comes ok in the beginning
if ok then try connecting a laptop directly thru a short patch cable to the computer port of the projector[i am assuming that the projector has been installed to the ceiling]
if this works ok , then the projector is fine!
you need to figure out the problem with the vga cabling and switchers if any of them are used!