![Amtran Qualcomm QCS8250 User Manual Download Page 13](http://html1.mh-extra.com/html/amtran/qualcomm-qcs8250/qualcomm-qcs8250_user-manual_2937062013.webp)
13
AmTRAN Technology Co., Ltd
5.
Troubleshooting
Problem Description
Debug Instruction
Does not boot up
1.
Ensure EDL button is not pushed
2.
Connect power cord
3.
Press power button
No HDMI Primary output
1.
Check the display resolution. If the resolution is not
4K, please unplug and plug the HDMI cable 3-5
times.
2.
Use fastboot to flash LT9611 image
3.
See item 7.4 flashing instruction
No HDMI 2 & 3 output
1.
Ensure type C cable is not connected
2.
Use fastboot to flash VMM5200 image
3.
See item 7.4 for flashing instruction
Unbrick the device
Flash the image using QFIL
Technical assistance