Question about Garmin Edge 305 GPS Receiver

7 Answers

Acquiring satellittes function is not working

When I turn my 305 on now the acquiring satellites screed is different showing no sateillites, it started doing this intermittently but now all the time.

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  • Anonymous Jul 12, 2008

    Same problem with my unit. Recently it has not been "seeing" any satellites when the unit is powered on. The screen just says "acquiring satellites" but never does. Sometimes a quick power down and restart will bring the satellites up, and sometimes after a while the satellites will magically appear, but other times it will not lock on, see, or acquire any satellites which means no speed, no distance, and no tracking information from my rides :-(

  • robboniwell Feb 06, 2009

    I have the same thing. No GPS function but everything else works fine. A bit frustrating but not worth repairing as everything else works fine.

  • Anonymous Apr 19, 2009

    Hi, I have Garmin Edge 350 and it is not acquiring satellites at all...:-(((

  • dlitto
    dlitto Dec 06, 2012

    I hold the power button down while turnionig on my garmion and that works. Also try holding the power button down while the unit is powered off.

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This will sound absurd, but I have had 100% success with the following "fix" for 3 months now: drop the unit on a table from a height of 10 to 12 inches and then power up. It acquires every time! I have reloaded firmware, reset, everything and this problem persists. I do not get satellites about 9 out of 10 times I power up. Then I drop it and try again and I always get them. I think it's a cracked circuit board? I waited 3 months before posting this to rule out coincidence. If this method is a coincidence, then it is an amazing one that repeats over and over again!

Posted on Dec 24, 2009

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The problem: when I turned on my Garmin Edge 305, the "Acquiring Satellites" screen showed no satellites at all. It started doing this intermittently, but now it was happening all the time. Also, when this happened, the unit displayed incorrect date and time. I also noted that when I accessed the "About Edge" option from my unit ("Settings>System>General>About Edge"), the "GPS" field said "0.00".

The solution provided by Garmin Support: "It sounds like there might be some corruption in the satellites data of your device. To delete this information, while the unit is powered OFF press the Power and Down button for 15 seconds. Then set the device outside for a minimum of 30 minutes to acquire satellites and the satellite data."

It didn't work for me, but maybe it'll work for you. Anyway, today I turned on my Edge 305 before my training ride and, miraculously, it recognized and acquired satellites again, displayed the correct date and time and the "GPS" field said "3.00". Maybe it was just in a bad mood or something...

Posted on Dec 04, 2008

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I had same problem--but when I cleared the memory and restared the unit, it started to work normally. (However this also caused me to lose any data, routes, etc. that I had programmed into the unit.)

Posted on Sep 06, 2008

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Try updating the chip set at the garmin website, this worked for me...

https://buy.garmin.com/shop/store/downloadsUpdates.jsp?product=010-00447-00&cID=160&pID=331

Posted on May 29, 2010

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I have the same problem. Solutio ntaht always works, I hold all 5 keys onb the side of the Edge. My wife presses the <lap> and <start/stop> key. We count to 3 and then realease all keys at the same time. It works 2 out of 3 times, so if we repaet this for 3 for times it's always working again.
The stupid thing is that if I try to press and releas all they keys myself it's not working.
Also sometimes it works to turn the power on while the devide is wired.

All together it doesn't make sense, but if it works it works!

Posted on Apr 22, 2010

Same here!  I just contacted to the supplier to see what they say, not sure if I'll get back, but rest assured your not the only one...

Posted on May 30, 2008

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I am having the same intermittent problem but am worried that it will become permanent. Any information available to get the unit to acquire satellites would be great

Posted on Jul 12, 2008

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2 Answers

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If the option of working without GPS receiver enabled is turned off, then it may be a real damage.

Only thing is to check this option.

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1 Answer

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  • If your unit has not been used for an extended period of time (more then a month), it may take 3-5 minutes to acquire satellites.
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1 Answer

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Exact same problem for me on the exact same day (2-sep) as well - freaky! Unit was out of battery and I charged it but that was the last time I managed to get it working - charging it now to see if it makes any diff. Actually with mine I hear the beep and the initial splash screen shows for about 1 sec and then that's it - it seems to go off again. I think it's something to do with the battery as it seems to work when connected to the charger - not a whole lot of good to me!

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1 Answer

Distance and average speed don't compute.


My solution included changing the battery in the cadence sensor (GSC10). You might not need to.
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That fixed my Edge 305 - cadence and speed do appear now.

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