We have a TomTom GO 910. It is plugged into the window mount, the green light is on...on both the charger (plugged into the cigarette lighter) and the TomTom unit (upper left corner), but the unit won't turn on. How do I fix this?
Two possibilities:
- if someone has used the wrong charger, and connected it to a 12V supply, the mainboard may be damaged. In that case, you need a replacement.
- the battery may be discharged. Even if the green light is on, it doesn't necessarily charge up. Try pushing it hard onto the mount for a few minutes, then see if it will turn on.
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