Contrast/Focus/Blank/Solid Color/Spots or Lines

• Verify power to terminal.
  
  
• Power the terminal off. When power resetting, please know that the button must be pressed for 10-15 seconds for the terminal to shut down. 
  
  
• Firmly seat USB C into the rear of terminal (shown above).
  
  
• Power the terminal on.
  
  
• While terminal is loading or power is off, clean touch screen with a soft cloth dampened with alcohol or Non-ammonia based glass cleaner

Damaged/Falls Off/Loose/Missing

• Check for any exposed wires that have come loose.
  
  
• If wires or circuit boards exposed, unplug power cord from electrical outlet.
  
  
• Check if mounting of display has become weak and/or broken.

Touch Screen Troubleshooting

No Response/Invalid Response/Frozen Screen

• Reset Terminal (switch on the front or unplug powercaord from the wall). When power resetting, please know that the button must be pressed for 10-15 seconds for the terminal to shut down. 
  
  
• Clean Touch Screen: while terminal is loading/power is off, with a soft cloth dampened with alcohol or non-vinegar based glass cleaner clean screen (This avoids printing of unwanted tkt).