Dell XPS 18 User Manual page 36

System problem
Problems
Computer does not turn
on
Computer does not
turn off
Computer is
not responding
or behaving
unexpectedly
Computer cannot
boot into Windows
│
36
Troubleshooting
Possible causes
The battery is
completely discharged.
Possible solution
1
Charge the
computer for at
least 4 hours.
2
Press and hold
the Power and
Sleep/Wake
button for 4
seconds.
Press and hold the
Power and Sleep/
Wake button for 11
seconds to perform a
hard shut down.
1 Reboot the
computer. See
Turning Off Your
Computer and
Turning On Your
Computer.
2
Refresh the
computer. See
Reset your
computer.
3
Contact Dell's
support service.
Go to support.
dell.com or dell.
com/ContactDell.
Boot from Windows
recovery. See Recover
your computer.