Dell 7840 Manuel d'utilisateur télécharger pdf (Page 34)

34 | Troubleshooting

System problem

Problems Possible causes Possible solutions

Tablet does not turn

The battery is

completely discharged.

1 Charge the tablet for at

least 4 hours.

2 Press and hold the power

button for 7seconds.

Tablet does not turn

off

Press and hold the power

button for 10 seconds to

forcefully turn off the tablet.

Tablet locks up Press and hold the power

button for 10 seconds to

forcefully turn off the tablet.

Tablet is not

responding or behaving

unexpectedly

1 Restart the tablet. See

“TurningOffYourTablet”

and

“TurningOnYourTablet”.

2 Reset the tablet. See

“Resetting Your Tablet”.

3 If the issue is unresolved,

contact Dell. Go to

dell.com/support.

Tablet cannot boot

into Android

Contact Dell. Go to

dell.com/support.

Software or feature

is not working as

expected

Software updates may

have been downloaded

in the background.

Restart your tablet, see

“TurningOffYourTablet” and

“TurningOnYourTablet”.

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Dell 7840 Manuel d'utilisateur Page 34

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