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I have a Nuvi 3597lm shutting down after Garmin logo is shown for 3 secs both with Car charger and Computer connection. Installing cure firmware (Ver 5.50) allows the device to stay on when connected to the computer and internal storage is accessible (Ver 4.00), with car charger it still powers down. After flashing with cure firmware(v5.50) I ran rmprepusb and formatted the internal storage(after backing it up) and then flashed original Firmware (v 5.50). After that it goes back to the original state of powering down on computer and car charger. What else can I do. Please advice.

rabunz Reviewed by rabunz on 24th November 2021. Nuvi 3597LM Shutdown after Garmin Logo Hello, I have a Nuvi 3597lm shutting down after Garmin logo is shown for 3 secs both with Car charger and Computer connection. Installing cure firmware (Ver 5.50) allows the device to stay on when connected to the computer and internal storage is accessible (Ver 4.00), with car charger it still powers down. After flashing with cure firmware(v5.50) I ran rmprepusb and formatted the internal storage(after backing it up) and then flashed original Firmware (v 5.50). After that it goes back to Rating: 5