I ran this command and found that no video card is detected. SInce the audio is going thru the HDMI, that would mean that HDMI isn't being detected, right? SO what's the next step in troubleshooting?
[CODE}sudo inxi -Fxz
[sudo] password for wolf:
System: Host: wolf-media Kernel: 4.4.32v7-aufs armv7l (32 bit gcc: 4.8.4)
Console: tty 1 Distro: Ubuntu 16.04 xenial
Machine: No /sys/class/dmi; using dmidecode: no smbios data available. Old system?
CPU: Quad core ARMv7 rev 4 (v7l) (-MCP-) (ARM)bmips:
clock speeds: max: 1300 MHz 1: 1300 MHz 2: 1300 MHz 3: 1300 MHz
4: 1300 MHz
Graphics: Card: Failed to Detect Video Card!
Display Server: X.org 1.18.4 driver: N/A
tty size: 80x24 Advanced Data: N/A for root out of X
Audio: Card bcm2835 ALSA driver: bcm2835 Sound: ALSA v: k4.4.32v7-aufs
Network: Card: Standard Microsystems SMSC9512/9514 Fast Ethernet Adapter
IF: N/A state: N/A speed: N/A duplex: N/A mac: N/A
Drives: HDD Total Size: 1999.7GB (Used Error!)
ID-1: /dev/mmcblk0 model: N/A size: 64.0GB
ID-2: USB /dev/sda model: My_Book_1110 size: 1999.7GB temp: 0C
Sensors: None detected - is lm-sensors installed and configured?
Info: Processes: 193 Uptime: 1 day Memory: 487.0/828.5MB
Init: systemd runlevel: 5 Gcc sys: 5.4.0
Client: Shell (sudo) inxi: 2.2.35