Be sure to download the one that is compatible with your Windows OS. Then manually install it in your computer. Manual driver update – You can go to the manufacturer’s website, find your hardware device driver and download the latest version. There are two ways to update your device drivers: manually and automatically. In addition, updating your device drivers to the latest version can prevent your computer from various problems. If you have resolved your “ No bootable device” error and turned on your Toshiba laptop successfully, you should update the devices drivers that are missing or outdated in your computer, as the error message can be caused by the driver corruption. Things you should do after trying these methods Now you should be able to turn on your Toshiba computer properly. If you’re using Windows 8 and above, change the Boot Mode to UEFI Boot.Ħ) Then go to the Security tab > Security Boot, and set Security Boot to Disabled.ħ) Save the changes and restart your Toshiba computer as normal. 2) Press the Power button to start your computer normally, then keep pressing the F2 key after the flash logo screen appears to open the BIOS setup screen.ģ) In BIOS, press the arrow key to go to the Advanced tab.Ĥ) Go to System Configuration > Boot Mode.ĥ) If you’re using Windows 7, change the Boot Mode to CSM.