Question about Garmin nuvi 750 GPS Receiver

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My garmin 755t power on stop working!!!

I had a garmin 755t and the power on is not working anymore.. it was working fine before then all the sudden it didn't work at all.. i really don't know what is going on my device.. if somebody can help me with this pls.. give me an idea to solve the problem...
the device was expensive too, so i want it worked!!! garmin had to do with it i strongly believe that... they should do anything with this specific issue...
if anyone has an idea pls.. post what you did on your's..
that way i can try it on mine too..
thanks

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  • solderfix May 11, 2010

    You should read the information on Garmin's website: http://garmin.blogs.com/my_weblog/2009/0...

    "Garmin nüvi 7x5 customers who are no longer able to power on their GPS device will need to visit www.garmin.com/support, and select the first FAQ titled ?My nüvi 755T, 765T, 775T or 785T is giving me the message ?Updating GPS Firmware? or will no longer power on?? Customers will then need to follow the instructions to request a return authorization so that the device may be repaired under warranty."http://www.garmin.com/garmin/cms/site/us...

  • solderfix May 11, 2010

    How long did you have it before it stopped working? What have you tried to do to fix it?

    Are you sure the battery is charged up?

    Sometimes unplugging the unit from the charging source (USB or cigarette lighter) and then removing the battery and re-inserting it will get it back operating.

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HI, same problem. I bought my 755t just over a month ago. I found a solution on this site.
U can opt to have garmin fix it (who knows how long it may take?) or if you are handy, there are 2 little screws at the back of the 755 remove them and pry the back cover open. Just be very careful not to disturb the wires too much. Disconnect the battery and reconnect it 10 or 15 minutes later. That's all. Close the cover and replace the 2 screws. Install latest software I think it is version 3.60.

There is software bug that comes up randomly and sets the unit into an update loop that is with version 3.40 on a certain day of the year. I think on the longest day of the year. Anyhow, I fixed mine 3 days ago it works flawlessly.

Posted on Jul 07, 2009

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I have the Nuvi 755t

the problem is a bug in the software updates. to get mine to power on again,***be very careful*** all i did was pop the back plate off. there is 2 screws. some people say #5 #6 or #7, to be honest, find one that fits yours. once that is done. the back plating is just snapped it. now, the tricky part is to uncover it without harming the wires that are connected(speaker and battery). once the back plate is off and you see the inside, take twezzers and pull the battery wire so it becomes disconnected. count to 30. then place and push gently the wire back in. snap the cover back on fully. carefully screw the 2 screws in. PRESTO!

anyhow, this worked for me. however if there is any sign of trying to open the unit, the unit becomes void of warranty. if you can do it precisely, without making and marks or nicks while trying to get inside the unit, then your ahead of the game. if something else should happen again.

Posted on Sep 14, 2009

  • razorsedge Sep 14, 2009

    screw type is torqux

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