Question about Garmin nuvi 765T GPS Receiver

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1 year old unit simply won't power on, even after connecting to the computer via usb for 8+ hours. Dead as a doornail.

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Have you tried the vehicle power cable? That should charge it better and if it does not work then you should contact Garmin or your local dealer.

Cheers

Posted on Jul 15, 2010

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1 Answer

Will not power on


Disconnect the GPS from the car's cigar lighter jack and connect via USB cable directly to your computer's USB port (or use your GPS's AC adapter if included) and allow to charge for 8 hours (or over night).

The over night charge should "refresh" the GPS's battery. You should be able to switch the GPS back on to run off its internal battery at this point. Leaving the GPS constantly connected to the car's power can cause the problem you describe to happen. If it happens again, simply repeat the process.

Good luck!

May 20, 2010 | Garmin nuvi 765T GPS Receiver

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Can I charge my Magellan roadmate with USB cable connected to the computer?


It depends on the Roadmate that you have. :
- If your Roadmate has a separate plug-in port for charging your unit IN ADDITION TO a USB port, then no, your Roadmate cannot be charged using your computer via the USB cable.
- If your Roadmate only has a USB port available for charging your unit, then yes, you can charge it via your computer via USB.
However, please note, according to Magellan, charging your unit using your PC via USB can take up to 12 hours to charge vs. 4-6 hours when using the vehicle power adapter.
FYI: This is mainly due to USB constraints on pretty much all electronic devices. USB cannot carry the same amount of power to a device. It uses what is commonly known as a 'trickle' charge to recharge a device. It carries much less current than a full-blown charger (like an AC power adapter).

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Green battery light on the archos 5 but when i disconnect it from dock or usb no green lights abd completely dead - won't switch on either in dock or out???


Power green LED light should come on, CHG green LED light should also come on showing the battery is being charged. Leave your unit in Suspend mode while charging it, DO NOT turn it completely off as "Shutting Down.." because it will not charge your battery.

I just purchased an almost new Archos 5 on eBay recently, and the first day I had it, happened to me that I left the unit off and charging on the Mini Dock with external AC power supply, after 13-14 hours the CHG light still wasn't blinking. Then I though maybe I have to leave the unit in Suspend mode rather than completely off, which I did, and in a matter of 3 hours it fully charged the battery.

Again, do not shut down completely the unit, leave it on Suspended mode, or even on, and connected it to your mini dock, after a while the screen will go blank the unit will go into Suspended mode by itself, and after 3 hours on external power supply or 8 hours via USB on PC should be completely charged and your CHG light should be blinking, indicating the battery is charged.

I hope this helped.

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1 Answer

Sansa e250 - Won't power up unless connected via USB


Sounds like the battery may have come loose. Remove the 4 screws on the back, remove and reinsert the battery. Charge the device for a few hours. Best of Luck.

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