data projector is locked for operation. I cannot use it. everytime I press any of its button,it says "operation is locked" release. Release the 'operation lock' setting
The light of the projector only blinks (flashes). The motherboard is locked. it is not possible to...
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The light of the projector only blinks (flashes). The motherboard is locked. it is not possible to put off the projector unless the pwoer cord is detatched. Putting it on is normal but the light flashes.Kindly suggest, please