In this case the display is most likely faulty and needs to be replaced. The device may not be turning on due to internal problems with the motherboard as well. This will need replacing. The device appears to be functioning properly, but there is no sound or it is distorted. The device most likely has a bad speaker. Try resetting the device first, and if that does not work then the speaker needs to be replaced.
The device comes with a car charger that will charge the device while driving. As an accessory you may purchase a V home charger if the car charger does not suit you. If the device does not seem to be charging or able to hold a charge, then the battery most likely needs to be replaced. Another reason why the device may not be charging could be that the charging unit, such as a car charger or the home charger, is not functioning properly.
In this case a new charger must be purchased. If the device does not seem to be functioning properly, then resetting the device is an option. To reset the device hold down the reset button located above SD card slot, using a small object such as a paper clip for 15 seconds. If this does not fix the issue your device may need to be updated.
In order to update your device look at the Updating Device Firmware section. A newer version in software allows for better maps, so it is important to update the software. In order to update the software, you must first connect the device into the computer. Do keep in mind that all of your settings and saved locations will be deleted.
Charge your TomTom for at least 2 hours to do this, so that it won't die during the process. You'll find the menu button on the screen where the device also shows the navigation.
Go to 'Settings' and click 'System'. Here, you'll find the option 'Reset'. Your TomTom will ask you twice more whether you're sure you want to reset the device to factory settings. As soon as you confirm this, the navigation system starts its reset. When this is complete, all of your settings have been deleted and you can reset them. If both of the attempt get failed, then there may be a problem with your power supply.
To check your battery, go to the battery repair guide for TomTom. Replace the display if it found faulty. TomTom device not working might due to some internal problems with the motherboard which need to be replaced. If the screen is black but you are able to hear the sound, then would be more chances of getting display faulty and need to be replaced.
After this it still not turn on then charge the battery and let it be charged for overnight. If your device works normally but has no sound or distorted sound, then it is due to speaker problem. Firstly reset the device, if still issue remain same, then the speaker need to be replaced. If your device is stuck at the start up screen, then it might be an issue of corruption software. If you saw one going cheap on eBay, and are thinking of getting it for tinkering purposes, then this article might help to understand what is involved.
I was just recently looking on eBay and saw a huge number of listings for faulty Tom-toms that will not turn ON. Usually, the seller suggests that it simply requires a replacement battery, however when you look inside, the battery may already have been replaced with the newer type, but the GPS still does not work!
The most common fault occurs when the old battery cannot hold enough charge, and the GPS does not turn ON.
Replacing the battery usually solves the problem some of the time. The second easiest to solve is when there is no green light at all, because it can either be due to a broken charger, damaged USB socket assuming the charger itself is working , or something more complicated such as a shorted TVS diode. The most difficult fault usually becomes apparent when you replace the battery, and discover that it still does not turn ON.
Just like Sherlock Holmes my thought was that, something was afoot.
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