Garmin nuvi updating software

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I hope this assists other if they encounter this problem. Strangely when it came back up the v2.7 upgrade had worked for me too.

I still don't know why the firmware upgrade process failed BUT after performing the above sequence I found that the firmware upgrade had actually worked (strange). Had the "system software missing" problem after attempting to upgrade software to v2.7 using the web updater. JW hi nick, thanks from me as well for your accurate and useful post - was having kittens thinking i'd d**yed up my brand new garmin nuvi 310, but your instructions have saved the day.

When the unit came back up again the following error came up on the screen: "system software missing" The Nuvi would not boot! HOLD down the power button and you will see "Pre Boot Mode" appear on the lower part of the display.

I contacted the local Garmin support rep and I was given the following sequence to recover from this condition: 1. KEEP HOLDING the power button down and the display will flicker, do this until the pre boot mode message disappears.

Hello All, I recently downloaded the Nuvi 660 firmware upgrade from the Garmin site to upgrade to v2.70.

I did this as I read some other comments that the Garmin webupdater application has (in some cases) caused corruption.

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DON'T USE WEBUPDATE to update the device is all i can say...

go to the direct software update link: - Download: Nuvi 660 software update version 4.70 (4.86 MB) as of December 11, 2008 Thank you, thank you for sharing the info on holding power button down.

Updating your Nuvi's operating system ensures you have the latest options and features.

This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.

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