I am trying to install an unsigned driver on my Windows 8.1 Yoga 2 Pro laptop; I gather that to do so I need to disable Driver Signature Verification on the via the Advanced Startup menu.
The problem is that the Advanced Startup menu I see does not offer "Troubleshoot" as an option. I see only three choices: Continue, Use a device, and Turn off PC.
I have two questions:
1) Does anyone know how I can restore the Troubleshoot option in the Advanced Startup menu?
2) Is there another way to disable Driver Signature Verification?
(It may be relevant that the laptop came with Windows 8 installed; since purchasing the laptop I migrated from a 128GB ssd to a 480GB ssd using Macrium Reflect.)
Thanks for your help!