Cannot install leopard, grey screen

When I click restart on the install dvd app, it restarts, then goes to the grey screen, and stays there forever. could it be bad ram module?

Kevin Wyatt-Scott wrote:
When I click restart on the install dvd app, it restarts, then goes to the grey screen, and stays there forever. could it be bad ram module?
If it never gets to the DVD selftest, then it's either a hardware problem such as you mention, RAM, or a bad DVD or even a bad or marginal optical reader.
I would reset PRAM and NV-RAM and also look at the DVD for scratches and/or dirt and clean it if necessary with a damp soft cloth, wiping from center to outside in a straight line.

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