According to your description the error seems to occur in Pre-OS, please follow the steps below to copy the log file under Pre-OS WinPE to you local disk and then send it to us.
1. Waiting for the error message appears
2. Open the save log file dialog ("" > "Save logs")
3. Save the log file to one of your local disk
4. Reboot the computer, then send the log file to us.
1. Waiting for the error message appears
2. Open the save log file dialog ("" > "Save logs")
3. Save the log file to one of your local disk
4. Reboot the computer, then send the log file to us.