Dell Latitude 5175 Посібник користувача - Сторінка 44
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Touchscreen
Problems
Touchscreen responds
slowly or improperly
Tablet
Problems
Tablet does not turn on
Tablet does not turn off
Tablet locks up
Possible causes
•
The screen is dirty.
•
A protective cover may
prevent the tablet
from recognizing your
inputs.
Possible causes
The battery is completely
discharged.
•
Ensure they are within
Bluetooth range.
Possible solutions
Moisten a soft, lint‑free
cloth with either water or
a display cleaner, and
wipe the surface of the
tablet until it is clean. Do
not allow water from the
cloth to seep down to the
tablet ports or buttons.
Possible solutions
•
Charge the tablet for
at least 4 hours.
•
Press and hold the
power button for 2
seconds and wait for 8
seconds to see whether
the Dell logo is
displayed.
•
Press and hold the
power button for 15
seconds to hard reset
the tablet.
Press and hold the power
button for 15 seconds to
forcefully turn off the
tablet.
Press and hold the power
button for 25 seconds to
unlock the tablet. Press
the power button for 2
seconds and wait for 1
Troubleshooting
44