Sharp bright light at the centre

Sharp bright light appears on my Lacie 17" CRT display intermittently which disppears and returns to normal after power off for some few minutes. The monitor is attached to my G4 machine with OS 9.2.2 and OS X 10.2.8 on it.
Thanks for the help
power pc G4 Mac OS X (10.2.x)

Hi Madori,
It sound as though you may have a heating issue.
The most common cause of this is a build-up of dust inside the computer and the monitor.
Try getting the dust out of your system, and see if that works.
Cheers!
Karl

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metice wrote:
Thanks Tim, the lens is the Canon 50mm 1.8.
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Sharp bright light at the centre

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