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Pete, Engineer
Category: GPS
Satisfied Customers: 17698
Experience:  Over 16 years experience installing and repairing electronics.
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I have a 3790MT. The display is very dark. If I take out in

Customer Question

I have a 3790MT. The display is very dark. If I take out in the sun and look at the display I can see that it is on and can change it.
Submitted: 1 year ago.
Category: GPS
Expert:  Pete replied 1 year ago.

Hi Wilmer,

If you have already adjusted the screen brightness (Tools - Settings - Display Brightness) to maximum but it is still difficult to see, then the backlight has likely failed and it will require a repair.

You can arrange a repair at: