Quote Originally Posted by StBaumy View Post
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3) It keeps booting over and over. Just shows Garmin logo. Won't connect to PC
Normal that it won't connect in Mass Storage Mode when it's 'bricked'.

4) It only does for about 30 seconds in Pre-boot mode.
Also normal. If you don't start flashing in will not stay in preboot.

5) Tried Garmin Cure and everything flashed. It still is stuck in boot mode. Not sure what else to try.
The cure firmware cannot boot. It's purpose is to allow the unit to go into MSM so that faulty files can be deleted or a reformat done. Read fully Post #1 in the Cure3 thead [the link by lolypop000 above].

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8) I've tried Garmin Cure
Not properly perhaps, read the thread again.

9) Yes I can reach pre-boot mode
Then 99% chance that it can be cured.