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The system hangs on the "SONY" logo. No BIOS or hard drive activity.
I have gone through all of the basic troubleshooting steps but still
the same result. I am aware of the bad memory circuits with the VAIO
laptops, is there something also wrong with the VAIO motherboards
memory connection that I might not be aware of?

Thanks in advance!
Bobby

Laptops are more difficult to troubleshoot than desktops.
I had a similar proble with a Dell laptop recently. What had happened was
that the screw that retained the hard-drive module had somehow fallen out
and the hard drive contacts were not firmly seated in the laptop base.
Just a thought.