An awesome team of students from our education program made this wiki.
Garmin Nuvi 2557LMT Troubleshooting
Trouble Retrieving Satellite Signal
The Garmin Nuvi 2557LMT is having trouble finding a proper signal
If you are having trouble obtaining a satellite signal make certain the Nüvi 2557LMT is out of parking garages and away from large obstructing objects.
Device Will Not Hold Charge
The device is unable to hold charge
If the device dies quickly or does not start at all after receiving charge, the battery may have died. Follow the directions in the link shown below to learn how to properly install a new battery.
Follow the link to visit the Battery Replacement Guide
Speaker Will Not Produce Sound Or Sound is Garbled
The device's sound functionality is compromised
If the device's sound quality is greatly diminished or producing no sound, it might be necessary to change out the speaker. Follow the link below to learn how to properly replace the speaker.
Follow the link to visit the Speaker Replacement Guide
Screen Display Is Hard To See
The device's screen appears broken or touch capabilities are compromised
If the device's screen does not respond to touch or the information displayed appears corrupted, it might be necessary to replace the screen.
Follow the link to visit the Screen Replacement Guide
Device Won't Boot
The device's operating system and features will not display
If the device's operating system does not operate correctly, one might have to replace the the motherboard.
Follow the link to visit the Motherboard Replacement Guide
Map/Route Import Problem
Attempting to import maps via SD card produces errors
If the device does not allow you to import maps on a SD card, it might be necessary to replace the SD card for one of a smaller data size.