BIOS-related FAQs

Please start your PC and press the [DEL] or [F2] key while booting to enter the BIOS setup program. The BIOS version is shown in the second line on the main screen.

1. Please download the Rufus tool from https://rufus.akeo.ie/ and extract the file.
2. Please run Rufus.exe.
3. Select your USB flash drive, and press the Start button, then confirm the following Warning popup.

1. Please go to the Shuttle download area and download the appropriate BIOS version.
   http://global.shuttle.com/download/download
2. Unpack the ZIP file into an empty folder.
3. Copy the subfolder “DOS” to a bootable USB stick with DOS operating system.
4. Boot from the USB stick and change to the subfolder “DOS”.
5. Execute the FLASH.BAT file.
6. The update process starts automatically. The system will reboot automatically.
7. Once reboot is completed, please enter the BIOS setup program by pressing the “Del” or “F2” key and load the “Default Settings” (F3), then confirm by hitting Save & Exit.

1. Please go to the Shuttle download area and download the appropriate BIOS version.
   http://global.shuttle.com/download/download
2. Unpack the ZIP file into an empty folder.
3. Copy the subfolders “EFI”, “SHELL” and the file “startup.nsh” to a USB stick, formatted in FAT32.
4. Boot from the USB stick. The update will start automatically. The system will reboot automatically.
5. Once reboot is completed, please enter the BIOS setup program by pressing the “Del” or “F2” key and load the “Default Settings” (F3), then confirm by hitting Save & Exit.

1. Insert your USB flash drive into one of the USB Ports.
2. During boot process, press ESC (or F11 or F7) to enter the boot menu.
   
3. Select the USB-HDD or the relevant USB-ZIP (depending on the model of the USB flash drive, it may vary). On our latest XPC Barebones models, you will find your USB flash drive, if detected correctly, listed right below your hard disks.
4. Press the Return key to boot from your USB flash drive.

All settings and parameters defined in the BIOS are stored in CMOS. To delete these settings and reset CMOS, follow the instructions below.

The instructions show examples of where the button or jumper to clear your machine's CMOS is located on different models. If you can't find the button/jumper on your model, more detailed information on type and position can be found in the Quick Guide (QIG) that came with your machine.

Remove the mains plug and reset/press the jumper/button for approx. 10 seconds. You may need to use a pointed object such as a ballpoint pen to push the button. After clearing CMOS, start up the computer and load “Optimized Defaults” in BIOS, save and restart.

Clear CMOS jumper on the mainboard

Clear CMOS button on the back of the machine (small opening bottom right)

Clear CMOS button on the back of the machine (small opening top left)

This is a feature on the mainboard that protects the BIOS from being flashed accidentally. It is called BIOS flash protection. Please disable this function with either a hardware jumper setting or with the CMOS Setup Utility. Please refer to the manual for more details on how to disable flash protection.

First, please download the latest BIOS file from our download page, then proceed with the below instructions step by step.

1. Please unzip the BIOS file you just downloaded.
2. Right-click on the BIOS file and select “Run as administrator” to start the flash tool.
   
3. Please press any key to continue when the below page pops up.
   
4. Wait for the update to complete and do not close the window.
   
5. Once the flash process is completed, the computer automatically reboots. Please then press the “F1” key to continue and then “Del” to enter the BIOS setup menu.
   
6. Please press keyboard right arrow button to switch function to the “Save & Exit” page and select “Load Defaults Settings” option, then select “Yes” to load optimized defaults.
   
7. Please select “Save Changes and Exit” option, and then select “Yes” to save configuration.
   
8. After exiting Bios, the unit will restart.
9. Finished.

1. Please go to download page and download AFUWIN
2. Extract and run the AFUWIN as administrator
   
3. Check the warning and close all other programs then press OK
   
4. Choose Open file
   
5. Choose your Bios then enter Open
   
6. Check the Program All Blocks option then press the Flash button
   
7. Flash finish
   
8. Reboot your machine then enter Bios and Load Default Settings
9. SAVE to CMOS and EXIT