Same issue on Toshiba Satellite L850-1PD. A possible solution should be this:
http://www.thinkwiki.org/wiki/Problems_with_fglrx#X_server_gives_an_error_.22Invalid_video_BIOS_signature.22_after_installing_fglrx
but my BIOS has no related options.
Same issue on Toshiba Satellite L850-1PD. A possible solution should be this:
http:// www.thinkwiki. org/wiki/ Problems_ with_fglrx# X_server_ gives_an_ error_. 22Invalid_ video_BIOS_ signature. 22_after_ installing_ fglrx
but my BIOS has no related options.