I have called Garmin support, and they think it might be a mixed issue of power module and software. I have read the post on GarminCure3 and How to unbrick step by step. I haven’t tried the Preboot mode yet as the device doesn’t seem to boot on its own when pressing the power button. System folder as I have changed it to Mass Storage Mode. My PC and Garmin Express can see my device, including the. At the end it just shuts off, and no change is made.Ĭurrently, I can still connect the device to PC occasionally. It then stuck there for 4-5 hrs, and the status bar won’t change at all. A few occasions I can power it on right after, it will get into a screen showing Garmin Logo and a short stretch of green status bar, with message “Installing update files. I normally can’t press the power button to power it on again from that point. Restart now?” After clicking Yes, it will show a quick screen of installing update files with full green status bar, then shuts off. To make things worse, the map also was corrupted during the Garmin Express update, and the device shows “Cannot unlock maps” and “Maps are corrupt and cannot be used.” Then I got a prompt: “Updates – There are additional updates that require the device to restart. I have also tried the Garmin Webupdater and got similar result – it shows update is completed, but when reconnect back to PC, still showing new software 8.80 to be updated.Īfter connecting the device to a wall charger and restarting the device, it would have the license screen, alter screen and load map. The device’s current About info also shows Software Version 8.50. It feels like the new firmware was loaded to the device but failed to install. The Garmin Express will say the update is successful, but still showing the new software 8.80 to be updated for the device. The screen just shows connecting to computer logo. However, when instructed to disconnect the device for 5 sec and reconnect to PC, the device doesn’t seem to start updating with the loaded software. I used Garmin Express to update the device. Feels like it can more likely be turned on when the battery level is lower. I found it sometime can be intermittently turned on when connecting to PC or car/wall charger after disconnecting for a period of time. At the end, it can’t be turned on when disconnected by long-pressing the power button. Hello, I am new to the forum and would appreciate some help on my Nuvi2589lmt, Software version 8.50, HWID 1947Īt first, device has been difficult to turn on.
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