Bios viruses do exist.
In February 2010 my Windows 98 SE computer went down with what I thought at the time was just a bad hard drive crash.
So attempting to boot form 3 1/2 floppy and each floppy was bad. So I thought. So I booted from one of my Windows 98 SE back up CDs. Ran Sandisk on one of the floppies and the disks checked good. Attempting to format a floppy, it would fail at the verify. Could not read or write using BIOS sector 0. If an exe file was attempted to be executed from the floppy, it would then become unreadable. And nothing would be wrong with the floppy after a reboot from the CD.
In February 2010 my Windows 98 SE computer went down with what I thought at the time was just a bad hard drive crash.
So attempting to boot form 3 1/2 floppy and each floppy was bad. So I thought. So I booted from one of my Windows 98 SE back up CDs. Ran Sandisk on one of the floppies and the disks checked good. Attempting to format a floppy, it would fail at the verify. Could not read or write using BIOS sector 0. If an exe file was attempted to be executed from the floppy, it would then become unreadable. And nothing would be wrong with the floppy after a reboot from the CD.
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