
Click on the USB drive that you want to use to boot from.After your PC restarts to the Choose an option screen, click on Use A Device and finally click on Boot Menu.Click on Recovery on the left side, and then Restart now under Advanced startup on the right side. Open Settings, and click on the Update & security icon.Alternatively, you have to enter the Boot Menu from within Windows 8/8.1/10. If you thinkpad can boot normally or you can't press F 12 to enter the Boot Menu. Select your USB drive using arrow key and press Enter. You should see a menu pop up with a list of choices on it.Press F12 button immediately as Thinkpad logo appears.

a Power On action) enables you to enter BIOS by pressing F1 key when “Lenovo” logo appears. Note: For PC with Windows 8/8.1/10, this step to “restart Windows” is necessary. LCD screen/monitor may dim/turn off, but will light up again and display “ThinkPad/ThinkCentre/ThinkStation/Lenovo” logo.


Below we will delve into how to boot a ThinkPad from USB flash drive. If you're troubleshooting your ThinkPad or installing a new operating system, you'll have to "boot Lenovo ThinkPad from USB flash drive". A bootable USB flash drive can be a pretty useful tool when diagnosing a computer.
