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Is my M2-U defective? (Emmc not detected, HDMI not working)

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Hey, thanks, EMMC is detected:

pi@bpi-iot-ros-ai:~$ uname -a
Linux bpi-iot-ros-ai 3.10.65-BPI-M2U-Kernel #5 SMP Tue Nov 29 03:11:02 UTC 2016 armv7l armv7l armv7l GNU/Linux
pi@bpi-iot-ros-ai:~$ sudo fdisk -l
Disk /dev/mmcblk0: 29.8 GiB, 32010928128 bytes, 62521344 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00033bb7

Device         Boot  Start      End  Sectors  Size Id Type
/dev/mmcblk0p1      204800   729087   524288  256M  c W95 FAT32 (LBA)
/dev/mmcblk0p2      729088 62521343 61792256 29.5G 83 Linux


Disk /dev/mmcblk1: 7.3 GiB, 7818182656 bytes, 15269888 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xb55085f6

Device         Boot Start      End  Sectors  Size Id Type
/dev/mmcblk1p1       2048 15269887 15267840  7.3G 83 Linux


Disk /dev/mmcblk1boot1: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mmcblk1boot0: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
pi@bpi-iot-ros-ai:~$ lsb
lsblk        lsb_release  
pi@bpi-iot-ros-ai:~$ sudo lsblk 
NAME         MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
mmcblk1boot0 179:32   0    4M  1 disk 
mmcblk1boot1 179:48   0    4M  1 disk 
mmcblk0      179:0    0 29.8G  0 disk 
├─mmcblk0p1  179:1    0  256M  0 part 
└─mmcblk0p2  179:2    0 29.5G  0 part /
mmcblk1      179:16   0  7.3G  0 disk 
└─mmcblk1p1  179:17   0  7.3G  0 part /media/pi/4bd2c139-b811-4635-a6fa-a7d04aecf794

However, the HDMI display powers on, but doesnt show anything.

Do I need to modify anything in

uEnv.txt ?


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