Part 1. (Please prepare a USB stick)
1. Run HPUSBDisk.exe or other similar tools to make a DOS bootable USB flash drive. (Note: Please use an empty USB flash drive for DOS booting, otherwise data will be lost when formatting the USB flash drive.)
2. Run HPUSBDISK.exe under administrator account.
Run HPUSBDISK.exe
Select "Quick Format" and "Create a DOS boot disc using the system files located at".
3. Select the DOS production file 
，strike (on the keyboard)
select the file "dos7System".
4. Click Start and wait for USB Boot DOS to complete.
Part 2:
1. Copy the following files from the file "i5BIOSfile" to the root directory of the USB drive (the same USB drive as in Part 1).
2. Insert the DOS boot USB stick into the i5 mini computer, turn on the power of the computer, press the on/off key, and then press F11 continuously (press and release and press and release, don't press F11 all the time).
Select to boot DOS from USB
Go to a DOS window, type F, and press "Enter".
Wait until it's over.
The problem is now solved and the computer does not suddenly shut down after 30 minutes of work.
