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Password Protect the BIOS
Go into your BIOS, change Obvious, but lots of people forget this step.
Change the Boot Sequence
No point in all that effort if somebody can use a boot disk and load a custom program bypass your BIOS. Change the boot order (to boot from your C: drive first) and also password protect the BIOS. This . This makes it next to impossible to get a boot virus and again frustrating to do anything with the system including installing a new operating system.
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