This means that if an upgrade to the system is needed, a program can be downloaded that allows reloading of this important component. Most systems, however, have neither protection nor backup, and due to this, for the victims of CIH, real trouble comes to pass. On April 26th, for certain very unlucky people, computers will fail and will refuse to reboot. They will be unable to boot from a floppy. They will not be able to get to the setup page.
Some computer manufacturers swap out the motherboard for a new one.
Others have recovery routines. Still others have included a plug on the motherboard that allows reprogramming at the factory using special equipment. It almost always involves sending the system back to the manufacturer. That, of course is the best case scenario. This once again proves that the most valuable thing on your desktop is your data .