Display not working

[williamrichjr1]

Hello,  I have a Cisco spark board 70s that the display appears to not be working.  I opened up the case and noticed the LED driver board was damaged (connector had melted).  I replaced this board and damaged wires and connectors. The backlight does work but nothing will display. Has anyone experienced a similar issue and may have a solution.  

ps. No other boards have any visible damage. 

Thanks in advance. 

[williamrichjr1]

To add, touch screen still works

[RachelGomez161999]

If Display not working follow this steps-

Step 1: Check your phone's screen

Make sure that your screen isn't cracked, chipped, or damaged.
If you have a case or screen protector, take it off.
If you're wearing gloves, take them off.
If you've put any stickers over the screen or sensors, peel them off.
Make sure that your screen is clean.
Step 2: Try these troubleshooting steps
Restart your phone
Find out whether an app causes your problem
Test the affected part of your screen
Turn off developer options
Step 3: Use advanced troubleshooting
Consider resetting your phone to factory settings
Contact your device manufacturer

Greeting,

Rachel Gomez