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Hopefully you installed the correct version of software otherwise you may need a replacement pre loaded BIOS chip from a reputable computer repair shop.
your registry is corrupted i would advise you to reinstall windows and create an image backup afterwards.this was caused by a virus which does nothing but prevents yor windows from operating properly.
Backup all of your important data. Restoring your computer will erase all saved information. If you are able to boot into your system, move all of your important files onto an external hard drive or burn it to a disc.
Do a system restore before this happened might work, hook external keyboard to the laptop if no change, if external works, there is a problem with the laptop keyboard or bad device driver.
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