Dell XPS 18 (1820, Early 2014) - Manual (Page 37)

Troubleshooting │ 37
Problems Possible causes Possible solution
Software or
feature is not
working as
expected The application or
feature could be in an
unresponsive state. Software updates may
have been downloaded
in the background.
Restart your computer.
Touchscreen problem
Problems Possible causes Possible solution
Touchscreen
responds slowly or
improperly The display may be
dirty or you may
need to adjust display
settings. • Clean the display.
See “Cleaning your
computer”.
• Adjust display settings
in Windows Desktop,
Control Panel
→
Appearance and
Personalization
→
Display.