Satellite M40X: After Bios update keyboard keys don't work properly

I have a Satellite M40X and I had update the Bios to v. 1.60 and now the keys u, m, 7 and the arrow up are not working properly. The problem is that there is not other Bios version to use.
How can I resolve my problem?
Can I recover the old bios version?
Thanks
Gabriel

Hi there,
no you wont be able to recover the old BIOS. The only two options are:
1. Retry the BIOS update and check if its working
2. In case of no success, please visit the [ASP Locator|http://eu.computers.toshiba-europe.com/cgi-bin/ToshibaCSG/generic_content.jsp?service=EU&ID=ASP_SUPPORT] to search for the nearest ASP in your country and to ask them for a hardware checkup and repair.
Greets

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