Question about Garmin Nuvi 660 GPS Receiver

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Garmin nuvi 660 goes into pre-boot mode, then loading, then loading software, then back to pre-boot mode and keeps looping through the 3 steps, and it won't shut down

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  • Garmin Master
  • 2,130 Answers

There is a transient diode across the switch. Most likely it's shorted, casuing the symptom as if you were holding down the power switch and never letting go. I've seen and repaired this before.


- Jim
SHARCNET-USA

Posted on Sep 30, 2010

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1 Answer

No voice to Garmin Nuvi 660


In case it is a software problem try this and see if it will fix it......follow these steps.
1. Power off the unit.
2. HOLD down the power button and you will see "Pre Boot Mode" appear on the lower part of the display. KEEP HOLDING the power button down and the display will flicker, do this until the pre boot mode message disappears. This seems to take a long time (60 seconds at least).
3. Once the pre boot mode message disappears release the power button and your device will perform some activites to try recover from the problem.

Jan 17, 2009 | Garmin Nuvi 660 GPS Receiver

1 Answer

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In case it is a software problem try this and see if it will fix it....Try this and see if it fixes your problem...follow these steps.
1. Power off the unit.
2. HOLD down the power button and you will see "Pre Boot Mode" appear on the lower part of the display. KEEP HOLDING the power button down and the display will flicker, do this until the pre boot mode message disappears. This seems to take a long time (60 seconds at least).
3. Once the pre boot mode message disappears release the power button and your device will perform some activites to try recover from the problem.

Jan 03, 2009 | Garmin Nuvi 660 GPS Receiver

1 Answer

Have Garmin Nuvi 660, after a few min. I lose sats. was working fine for the last year. Just the other day it started. I was in the mountains/ bad weather so I thought that was the problem. I have update...


Try this and see if it fixes your problem...follow these steps.
1. Power off the unit.
2. HOLD down the power button and you will see "Pre Boot Mode" appear on the lower part of the display. KEEP HOLDING the power button down and the display will flicker, do this until the pre boot mode message disappears. This seems to take a long time (60 seconds at least).
3. Once the pre boot mode message disappears release the power button and your device will perform some activites to try recover from the problem.

Dec 24, 2008 | Garmin Nuvi 660 GPS Receiver

3 Answers

Garmin NUVI 660 - can not locate satellite


Please read this solution, which might help you. On the 660, you press and hold the upper-left hand corner of the screen while turning on.

http://www.fixya.com/support/t1155473-garmin_nuvi_660_not_locate_sattelites

- Jim

Nov 06, 2008 | Garmin Quest 2 GPS Receiver

1 Answer

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Try this and see if it fixes your problem...follow these steps.
1. Power off the unit.
2. HOLD down the power button and you will see "Pre Boot Mode" appear on the lower part of the display. KEEP HOLDING the power button down and the display will flicker, do this until the pre boot mode message disappears. This seems to take a long time (60 seconds at least).
3. Once the pre boot mode message disappears release the power button and your device will perform some activites to try recover from the problem.

Oct 19, 2008 | Garmin Nuvi 660 GPS Receiver

2 Answers

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it should take no longer than 2 minutes max to get a reception when turned on.
check the specs in your book some have 4-12 satellites the more the faster and more accurate it is.
3 possibilities

1-remote location
2-lot of steel or tall buildings
3-defective

Aug 12, 2008 | Garmin Nuvi 660 GPS Receiver

1 Answer

Nuvi 660 not locating satellites


Try this and see if it fixes your problem...first disable bluetooth then follow these steps.
1. Power off the unit.
2. HOLD down the power button and you will see "Pre Boot Mode" appear on the lower part of the display. KEEP HOLDING the power button down and the display will flicker, do this until the pre boot mode message disappears. This seems to take a long time (60 seconds at least).
3. Once the pre boot mode message disappears release the power button and your device will perform some activites to recover from the problem.

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3 Answers

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Are you running this unit while it is charging? Does the Nuvi 660 have a sufficient charge?

Try to do a hard reset on the unit.

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I've tried master resets and it does not fix the problem. Only fix is to buy a $30 garmin reciever extension and attach it to the side of your flip up receiver. This is the only fix.

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