IN72 On my IN72, after power up the startup screen appears ("infocus the big picture screen" - red) but then nothing else happens and I no button respond anymore. On the other hand it is connected with the HMDI cable to my computer and the computer identifies the projector correctly,

Adjust the horizontal in the menu then try the overscan adjustment. If the image does not look dim you do not need a lamp.

lamp fault i say..

power supply needs to be replaced. you can get the part from an infocus service center, or send it to the to repair. either way, try av solutions in ny. they're really good. www.avsolutionsny.com

internal error. if the lamp looks ok and it doesn't have many hours on it, it might be the power supply. the capacitors dry out and do not supply sufficient voltage. the in72s do have that problem.

This model projector is very sensitive to internal heat. I f by some reason the projector was abruptly powered down without the use of its normal procedure, in other words, unpluging cord from wall while on or power outage in premises, then the heat remains trapped and the sensors overheat and subsequently shuts down the unit. Now, although, once the sensors cool down it should reinstate operation some sensors become permanently damaged due to the extreme heat. In this case without having more facts, i believe it is the cause. I recommend a free check up to your nearest shop, most shops will offer free check ups.

Hi Ronnel

This is a common Mainboard failure on a Projector.

The unfortunate thing is that the Mainboard will either have to be repaired or replaced.

Hi there

This unit should still be under warranty - take it to your nearest InFocus dealer.

If no signal is picked up then the Mainbaord is faulty.

Hi there

This not a firmware problem , but a Mainbaord issue.

If the unit is still under warranty they should replace it free of charge.

If not - then brace yourself for a costly exercise

Get the Mainbaord replaced

try ebay