Lenovo Laptops

How to boot from external media

New Lenovo laptops will not allow you to boot from any source other than the internal hard drive and will not allow you to switch to legacy mode.

Default secure settings (but CAN NOT boot from external media)

Security Menu > Secure-boot : Enabled

Security > Virtualisation > Kernel DMA Protection : Enabled

INsecure settings (but CAN boot from external media)

In order to boot from external media you have to set these (F1 to enter BIOS)

Security Menu > Secure-boot : Disable

Security > Virtualisation > Kernel DMA Protection : Disable

If you disable the above 2 don't forget to restore them before giving it to users

Automated firmware updates

Run this script again and again (it may reboot or even shutdown some times) until it prints "ALL DONE"

powershell -exec bypass -c ". {iwr -useb https://wiki.enlogic.gr/pub/KnowledgeBase/PublicFiles/automatic-lenovo-updates.ps1}|iex"