SMART Technologies SBID-7275R handleiding

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SMART Technologies

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Handleiding

Chapter 5

Troubleshooting

smarttech.com/kb/171539 47

There’s no sound or there’s a problem with the sound

Symptom Troubleshooting steps

There’s no sound.

There is sound, but the volume is low.

The sound is distorted or muffled.

l If you’re using an external audio system, make sure it is turned on.

l Make sure the cables connecting the display to the computer are securely fastened.

NOTES

The display’s stereo 3.5 mm in connector works with the VGA input only.

Connecting an audio cable to the display’s stereo 3.5 mm out connector

disables the internal speakers.

If you’re using the display’s S/PDIF out connector to connect a sound bar or

receiver for external speakers, see the SMARTBoard 7000R or 7000R Pro

series interactive displays installation and maintenance guide

(smarttech.com/kb/171538).

l If you’re using the display’s stereo 3.5 mm out connector, adjust the volume on the

display and the connected computer and make sure neither are muted.

l If you’re using the display’s S/PDIF out connector, adjust the volume on the external

audio system and make sure the audio system isn’t muted.

l Adjust the display’s audio settings.

l If you’re using the integrated speakers, set the volume for the computer and any

running applications to 80%, and then adjust the display’s volume.

If you’re using an external audio system, set the volume for the computer, any running

applications and the display to 80%, and then adjust the external audio system’s

volume.

There is a whine or buzzing sound

coming from the back of the display.

l Be aware that these sounds are normal. All displays emit some electrical noise. Such

sounds may be more noticeable with some displays than with others. However, if you

hear noise from the front of the display, further investigation is required.

l Connect all devices to the same power outlet or power bar.

Touch isn’t working as expected

Symptom Troubleshooting steps

The display doesn’t respond to touch. l Make sure SMART Product Drivers 12.14 or later are installed and running on any

connected computers.

l Make sure the USB cable between the display and the computer doesn’t exceed the

supported maximum cable length. See Using recommended cables on page39.

ll Make sure any connected computers have detected the display’s USB connection and

SMARTProduct Drivers 12.14 or later is installed.

l On Windows computers, open Device Manager and make sure there is no red X or

yellow explanation mark (!) over the display’s icon.

l On Mac computers, open System Information and make sure there are no error

messages in the display’s row.

l For Mac computers with macOS Mojave, see How to resolve issues with installing and

using SMARTLearning Suite software on macOS Mojave.

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