Hi All,

I'm experiencing problems for installing a new driver and seems that "Driver Signature Enforcement" have to be disabled.  I read in some sources that F8 have to be pressed continuously when Windows is booting up until get the Advanced Boot Options menu, then select “Disable Driver Signature Enforcement” but doing that in my Tower 5810 nor get access to boot options. If I use F12 instead I got access but option  "Disable Driver Signature Enforcement" does not appear.

Please, any one would help me?  Thank you!

Joan