Press and Hold Volume-Up button, then power up the machine. Press Volume-Up and Volume-Down to exit, then “Save Changes and Reset”.In “Advanced Configuration”, change “Attempt Secure Boot” to Disabled.
Press and hold Volume-Up and Volume-Down, then power up or reboot the slate.In my Samsung Slate tablet PC, I have to disable the Secure Boot by following these steps: If you still are unable to boot your UEFI computer from the USB drive, you may need to disable the Secure Boot option in the BIOS. After that, you can use the USB drive to boot your UEFI computer and perform system repairing or installation for your own purpose. For example, you can copy all files from either your Windows 8 installation DVD or ISO image to your USB drive. The final step is to copy all the files from your physical boot CD to the USB drive. Type “exit” and press Enter to quit diskpart utility.Create a new partition, make it active and format as FAT32, then assign a drive letter:.Convert the partition table from MBR to GPT:.Select the disk number that is your USB drive.List all the disks and identify your USB drive:.Open the Command Prompt with administrator privileges, then start the diskpart utility:.How to Create A Bootable USB Drive for UEFI Computers? But here I’m going to show you how to use the Command Prompt to create a bootable USB drive for UEFI computers. Luckily there is a free ISO burning software that lets you create a bootable USB with FAT32 file system only. Most USB burning programs will format your USB drive as NTFS, which includes the Microsoft Store Windows USB/DVD download tool. UEFI system requires that your bootdisk resides on FAT32 partition. The problem with UEFI-based computers is that they can’t boot from bootdisk with NTFS partition. Nowadays, most of the new Windows 8 laptops, desktops or tablets use the UEFI replacement for the traditional BIOS, such as Surface Pro, Samsung Slate or other UEFI systems.
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