Asus ET223 series User Manual page 10

• The touch screen (on selected models) requires periodic cleaning
to perform at optimal touch sensitivity. Keep the screen clean
from foreign objects or excessive dust accumulation. To clean the
screen:
- Turn off the system and disconnect the power cord from the
wall.
- Spray a small amount of household glass cleaner on the
supplied cleaning cloth and gently wipe the surface of the
screen.
- Do not spray the cleaner directly on the screen.
• Do not use an abrasive cleaner or a coarse cloth when cleaning
the screen.
• If you encounter the following technical problems with the
product, unplug the power cord and contact a qualified service
technician or your retailer.
- The power cord or plug is damaged.
- Liquid has been spilled into the system.
- The system does not function properly even if you follow the
operating instructions.
- The system was dropped or the cabinet is damaged.
- The system performance changes.
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ASUS All-in-One PC ET223 and ET203