Dell 8 Pro User Manual download pdf (Page 28)

28 | Troubleshooting

Problems

Possible causes Possible solutions

Battery charge values

are not accurate

The battery charge

values are wrong

or there is a rapid

change in the ambient

temperature.

1 Press and hold the power

button for 10 seconds

to forcefully turn off the

tablet, and force the

system to obtain a new

reference point for the

battery charge value (do

not follow the regular

Windows shutdown

process).

2 Perform a full battery

charge/discharge cycle

to recalibrate the battery

charge value by charging

the tablet until the battery

is fully charged and run

the battery power until

the tablet shuts itself

down.

Battery is fully charged

(battery charge is at

100%) but the battery‑

charging status light

is on

Battery charge jumps

from 90% to 100%

when the battery is

charging

Touchscreen problem

Problems Possible causes Possible solutions

Touchscreen responds

slowly or improperly

• The screen is dirty.

• A protective cover

may prevent

the tablet from

recognizing your

inputs.

• 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.

• Remove any protective

covers from the

touchscreen.

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