Question about Sony VAIO GRX500KA (PCG-GRX500KA) PC Notebook
Your laptop has an SMI security chip that stores the password. Clearing CMOS will not help. If your have a power on lock instead of a hard drive boot lock, there are only 2 options. First call Sony with the proof of ownership and endure the unpleasant experience of begging for the password that you will have to pay for. Second, replace the security chip, which is a tiny surface-mount chip. Only a handful of techs has the kind of skill to perform such a feat.
But if the lock is on the hard drive boot only, you can boot a DOS CD or floppy and use a debugger to clear the SMI BIOS data including the serial number and password. Please let me know if you are able to boot from an alternate device.
Posted on Oct 08, 2009
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Posted on Jan 02, 2017
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