I thank you for all your help.
Hi! ArnoldC, which my English is limited, it is difficult to support in Singapore.
Hi! CMD, I try to do 2 days with "Secure Boot Loader Loop". But not much positive. I was looking for new ways online but no specific instructions to fix it.
Hi! scharp. I am a Vietnam, you can be happy about Vietnamese. I have tried your way but it still display the "Secure Boot Loader". I have tried pressing volum "-" + power on to boot USB, but it does not boot. If you have USB boot img file sharing I try to boot to the USB link.