My seven year old Garmin GPS 12 has recently begun turning off all by itself. It does not do the 2 second power down, it just blacks out as if the batteries were removed. (It does this with fresh batteries) However, it only does this after several seconds of being moved around, not when it is sitting still. The coil spring battery contacts seem to apply sufficient pressure on the batteries.
Has anyone experienced this sudden power loss before or know of a way to correct this problem. Everything else on the Garmin GPS 12 works great.
Stay clear of rechargeable NiCads as they supply to low voltage and you may experience cutouts ? Use good quality regular alkaline batteries. Check battery terminals in gps (both ends) for corrosion/rust and clean if necessary.
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Power supply damage is most likely and depending on cost of the unit itself may or may not be worth fixing---kind of like hooking a radio up backwards on a 12 volt system--damage is INSTANT and sometimes fatal.
Try to soft reset it by holding the power button for at least 20 seconds till it restarts.
If that doesn't help - try a master reset to factory defaults by holding the lower right corner during startup for at least 20 seconds. This will erase all user data and starts the Garmin in factory default.
If it restart I suggest updating the software to the latest version on Garmin.com
The solution to this problem is for you to calibrate the screen. Before calibrating the screen, i will advice you reset the gps. To reset your device, hold down the power button for about 15 seconds, it will restart itself and power up fully, if the touch screen does not still work, then calibrating the screen will do the job for you. To calibrate the screen, follow the steps below:
Turn off your nuvi,
Hold the upper left corner of the screen, then turn on the nuvi,
Release the power key once the garmin screen appears,
Continue to hold the upper left corner of the screen for 30 seconds till a white screen with 'touch dots' appears,
Then follow the rest of the guide from there.
It might take a few tries before it works for you but you have to keep trying till you get it right. I am very certain that this will work for you.
If you hold the power button down for about 4 seconds or so, it should ask you if you want to power off. If the screen is still unresponsive, if you hold the power button down for 10 seconds, it will hard reset the device, powering it off with no screen input needed. At that point, I would check the firmware and make sure that it's up to date, as well as try to figure out how old the battery in the device is as well and consider replacing that as well.
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your GPS unit powers down before it can fully boot up, the battery will
need to be charged. Please charge the unit with the vehicle power
cable or on a computer for at least three hours. After charging the unit,
it should power on and function normally. If the unit will not charge in
the vehicle, check the fuse in the power cable for the unit and
the power outlet in the vehicle. The nuvi 200 series, 300 series, 600 series, 700
series, 1000 series and the StreetPilot C300 and C500 series do not have user
replaceable batteries. These units must be sent in to a Garmin approved repair
facilities if a battery issue arises. Garmin and Raytech are the only Garmin approved
repair facilities. Raytech is a repair facility for Canadian customers. To repair your device
please contact the specific repair facility for your region. If your device is not
still under the 1 year warranty, there will be a cost associated with the repair of your device.
Does the unit comes on by itself once power is applied to the unit? If it doesn't come on by itself, then there is a problem with your power supply. The unit is designed to detect when an external power supply is applied and turn itself on. It is also designed design to detect if you unplug the unit from the external power supply. It will say "Lost external power, shutting down in 30 seconds". BTW are using Garmin cables?
Your battery is dead. You'll need to return it to Garmin for repairs. Mine did the exact same thing. Functioned fine in the cradle - showed full battery - but shut off immediately upon removal. They know about the problem and shipped me a new unit for free.