USB BIOS version 5.20 for all Linked Models



File: OS216057A_V520_...




Posted Date: 2016-03-28

 

Release Date: 2016-03-28

 

Other Versions

 

Package
PKZip file can be extracted with WinZip, PKZip, or equivalent UnZip utility. Save file to a directory on your HDD and UnZip.
Description

Change History

To view the BIOS Change Point History for this model, click the following link: BIOS Change Point History :

    Release Notes

    • Do not power off while the BIOS is being updated.
    • The AC-Adapter must be used during the update process.

USB Flash Drive Creation Instructions

  • From a TOSHIBA PC running Windows Vista, 7, 8.x, or 10, unzip the file.
  • Attach a USB flash drive to the PC with a capacity of at least 32MB.
  • Verify the drive letter of USB flash drive.
  • Rename the drive to 'FREEDOSUSB'.
  • Run 'FreeDOSMake.exe'.
  • Select the correct USB flash drive letter then click 'Start'.
  • If the message “A corresponding label is not found. (FREEDOSUSB)” or “Device read error.” appears after clicking the Start button, click the Start button again. It may take several attempts.

Installation Instructions

  • Secure Boot must be disabled and Boot Mode changed from UEFI to CSM.
  • Access the BIOS setup menu by powering on the system while pressing and holding the [F2] key.
  • Navigate to the Security tab and disable Secure Boot, then navigate to the Advanced section and change the Boot Mode.
  • Press the [F10] key and save the changes.
  • With the system powered off, Insert the USB stick containing the BIOS into an empty USB port then power on the system while holding the [F12] key.
  • From boot menu, select the USB device, and from the C prompt type BIOS to start the update.
  • When the BIOS update has completed, the system may shut down.
  • Confirm that the BIOS was successfully updated by accessing the BIOS setup menu.
  • Change the Boot Mode back to UEFI and enable Secure Boot.
  • Press the [F10] key to save settings and exit. The computer will automatically reboot.
Export Control and EULA
Use of any software made available for download from this system constitutes your acceptance of the Export Control Terms and the terms in the Dynabook end-user license agreement both of which you can view before downloading any such software.