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Garmin Nuvi 680 Troubleshooting

No matter what you do, you can't get your Garmin Nuvi 680 to turn on.

If your device won't turn on, you may need to charge the battery. If the battery will not charge, the battery may need to be replaced.

Battery replacement guide

If the screen is not powering up when the device is powered on, the screen may be broken and should be replaced. If sound comes from the device, it is likely the motherboard is working, and only the display needs to be replaced.

Before replacing the display, check that the ribbon cables connecting the display to the motherboard are connected securely.

Display replacement guide

If the device will not turn on, the motherboard may be defective and needs to be replaced.

Motherboard install guide

The GPS will turn on, but it is not responding to commands.

If the device is not responding, it may need to be reset. The reset button is located under the antenna. While the device is off, press and hold the reset button for 5 seconds. The device is now reset and can be powered on.

If the device is not responding, it may not have enough power to work properly. Charge the device completely and then reset the device. If charging does not work, the battery may need to be replaced.

Battery replacement guide

If the device is still not responding, the motherboard may be defective and needs to be replaced.

Motherboard install guide

The screen turns on but is not responding to touch correctly.

If the touchscreen is incorrectly detecting where your finger touches the screen, the screen may need to be calibrated. The display can be re-calibrated by navigating to to menu, and then display. Push re-calibrate to re-calibrate the display.

For additional aid, see page 35 of the owner's manual here.

If the screen is not responding to touch, the device may not have enough power to function properly. Recharge the battery completely and try again. If the battery does not charge, it may need to be replaced.

Battery replacement guide

If the screen is still not responding to touch commands or displaying properly, the display may need to be replaced. If sound comes from the device, it is likely the motherboard is working, and only the display needs to be replaced.

Before replacing the display, check that the ribbon cables connecting the display to the motherboard are connected securely.

Display replacement guide

The device appears to be working, but there is no sound.

Make sure the volume is not turned down or off.

If there is no sound, voice guidance may be disabled. The voice can be re-enabled in the voice menu by selecting a voice.

If you can not get any sound, the device may not have enough power to use the speaker, charge the battery. If the battery does not charge, it may need to be replaced.

Battery replacement guide

If there still is no sound, the speaker may be broken and needs to be replaced.

Speaker replacement guide

The device appears to be functioning, but it cannot get a signal.

If you cannot get a signal, you may need to go outside. The Gdevice is designed for outdoor use and may not receive a signal inside buildings. The device may take several minutes to fully connect under normal conditions.

If you cannot get a signal, the device may not have enough power to function properly. Charge the battery completely and try again. If the battery does not charge, it may need to be replaced.

Battery replacement guide

Your device may be unable to connect to satellites because the software is outdated. Connect the device to a computer and update the software.

For additional aid, see page 39 of the owner's manual here.

If you still cannot get a signal, the antenna may be broken and needs to be replaced.

Antenna replacement guide

For repair guides, visit the Garmin Nuvi 680 Device Page

Touch screen not working? Follow trouble shooting instructions in your Garmin Manual or recalibrate screen as follows:-

1. Press and hold power button for 1 minute until Calibration screen appears.

2. Follow instructions by pressing the Dots as they appear at different areas of the screen until calibration is complete.

3. Reboot GPS & test operation.

Richard Yhip - Responder

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