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TF-MID7805G
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Telefunken TF-MID7805G [14/35] General information

General information

Troubleshooting guide

The following information will help you identify and eliminate common hardware and software

problems you may encounter when using the device. If you experience any of the following issues

you should first try to resolve them yourself, using the given recommendations. In case the given

advice will not help, please contact the customer support desk or an authorized service center.

Problem Reason and solving

Power, start-up

The tablet PC

cannot be turned

• Check the battery; if it is discharged, attach the power adapter and wait

for at least 5 minutes.

• Press and hold the power button on the device for at least 5 seconds.

• If the battery is charged press a pointed object in the RESET hole to

reboot the device.

• If the unit does not turn on even after charging and rebooting, please

contact support or an authorized service center.

The tablet

PC turns off

immediately after

turning on

• It is possible that the battery is very low. In this case, the system

automatically prevents the complete discharge to avoid loss of information

and stored data. Before you make an attempt to switch the device on again,

charge it for at least 5 minutes and do not plug the power adapter off from

the wall outlet during operation.

The battery

discharges

quickly

• You may use programs that require a large expenditure of power. The

largest power-draining operation is video playback.

• Try to set screen brightness lower.

• Install the latest firmware.

• The battery is discharged quicker when operating at low temperatures.

The battery

cannot be

charged

• Make sure the power adapter is plugged into a working outlet. When you

connect the power adapter to the device, the power indicator should be lit.

• Make sure you are using the power adapter included with the device.

• Battery may not charge when operating at high temperatures.

Sound

The sound

cannot be heard

• Make sure the sound playback is enabled in the basic system settings.

Make sure that the volume is set to the maximum or your desired level.

• Many of the problems with the playback of audio are associated with the

software. If no audio issues were previously observed, the problem may

happen due to incorrect software installation or configuration of the installed

program. To resolve the problem, contact the manufacturer of the software.

• Check for damaged files. Try to play another file in another directory.

Problems with

sound recording

• Make sure that the device’s microphone is directed towards the sound

source, and that the record displayed on the desired volume level. The level

of the recorded sound may not be sufficient to successfully record it.

• Make sure the proper recording software is installed. Reinstall the

software if necessary.

Miscellaneous

USB operation

problems

• Make sure the USB-device is functioning properly. If you use an external

hard drive, make sure it is connected to the power supply.

Telefunken TF-MID7805G [14/35] General information

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