Question about Garmin Forerunner 305 GPS Receiver

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When I plug my Forerunner into my computer it shows it's charging but the computer does not recognize that I have a GPS plugged in, therefore I can't upload my workout.

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  • ashley77 May 27, 2010

    Great! All is well again, thank you!



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Did you install Garmin Traning Center software?

Posted on May 27, 2010

  • 5 more comments 
  • Richard T May 27, 2010

    You can find the manual which explains how to install the software at the following link:

    Also the FAQ at garmin:

  • Richard T May 27, 2010

    Sorry for all the messages.

    Users of the Edge fitness devices and certain Forerunner devices
    need to download and install the Garmin Communicator Plugin. The
    install includes the necessary USB drivers. When connecting for the
    first time a new hardware wizard pop-up will appear; follow the prompts
    through to the finish. The Garmin Communicator Plugin can be found at
    the following link: Garmin Communicator Plugin
    The following devices require the Garmin Communicator Plugin

    • Edge 705

    • Edge 605

    • Edge 305

    • Edge 205

    • Forerunner 305

    • Forerunner 205

    • Forerunner 301

    • Forerunner 201

  • ashley77 May 27, 2010

    Of course I installed the software. I have uploaded workouts successfully in the past, the most recent being 4 days ago. I even reinstalled the software in case that was the problem.

  • ashley77 May 27, 2010

    I'll try to reinstall the plug in and see if that helps.

  • Richard T May 27, 2010

    Ohh I see.

    Have you tried to reboot the computer? Sometimes USB devices can act wacky after plugging in and out a few times. Rebooting the PC usually resets everything.

  • ashley77 May 27, 2010

    Thank you, the reboot did help! I should have known :(

  • Richard T May 27, 2010

    Glad to hear your problem has been solved! Thanks for using FixYa!



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1 Answer

It does not turn or or charge. Connected to laptop but got same results. Tried to install latest software but it would not the unit (forerunner 305). Message was that there was no unit connected...

Here's a few options: Soft Rest

- Hold down MODE + RESET for few seconds
- Press the Power button to turn on the device


Hard Reset
(This will erase all of your data inside the device)

- Hold down MODE + RESET + POWER for few seconds
- Press the Power button to turn on the device


Firmware Downgrade/Upgrade (2.9 > 2.8 > 2.9)
(This will erase all your data inside the device)

Software Downgrade/Upgrade

- Connect your Garmin Forerunner 305 to the computer
- Press the UP arrow button and hold while doing all the other steps below
- Press MODE + RESET for a moment (the computer will recognize the device)
- Dowload the Firmware from Garmin's website.
- Downgrade Firmware from 2.90 to 2.80. (You are still holding on that UP arrow button!)
- When the update is finished the Forerunner 305 should power on running the Firmware 2.80.
- Let go of the UP arrow button, disconnect the device from USB, connect it again and the computer should recognize it normally
- Update the Firmware to the current version.

Nov 04, 2012 | Garmin Forerunner 305 GPS Receiver

1 Answer

I reinstalled the driver of my garmin forerunner 205 but it is still not recognized by my computer. it has been working for over a year but now I do not get any connection and the device is not recognized...


When you connect the unit to the cradle is there any reaction from the unit? I would try using a different USB port and cord first if this dosent fix your problem the next step would be to obtain a new cradle for your unit. They can be purchased here

Hope this helps!

Feb 25, 2011 | Garmin Forerunner 205 GPS Receiver

1 Answer

My new computer running Win 7 will not recognize my Forerunner 305; I have installed and reinstalled training Center, drivers etc. and it still wont work. The USB connection is good because I can hear it...

Did you install from the CD or did you install the latest drivers (dated Dec 2009)? has the latest USB driver. Other software updates are at

The newer drivers are Win7 compatible. Next, do you plug it into the computer or a hub? Try a direct connection. Also look at the contacts on the device and the cable. If there are any dark spots try cleaning the oxidation with a pencil eraser or another non-abrasive material (toothpaste for example).

What version firmware does the software report? If you see 0.0, try reinstalling the firmware . Download the software, then run it (click run a second time if the UAC comes up). Then connect the Forerunner to the computer. You'll need to allow extra time for a satellite fix the next time you use the device.

I hope this helps.

Cindy Wells

Apr 26, 2010 | Garmin Forerunner 305 GPS Receiver

1 Answer

GPS unit won't charge when placed on cradle and plugged in wall

You may have to replace your battery, these go faulty often, even though they seem OK.

Feb 07, 2010 | Garmin Forerunner 305 GPS Receiver

1 Answer

Garmin 305 would not turn on after a ride. would

Reset your unit by pressing the "Mode"(reset/lap) and "Power" buttons at the same time. afte it turns on run system updater on computer

Jan 10, 2010 | Garmin Forerunner 305 GPS Receiver

3 Answers

Garmin Forerunner 305 USB Not Recognized

Cleaning the gold contacts on the watch with a pencil eraser fixed it for me.

Nov 11, 2009 | Garmin Forerunner 305 GPS Receiver

1 Answer

My Garmin forerunner 305 recently got immersed in

I have read in some other posts about the unit only working while being plugged into a USB port. My guess is that the battery is in fact shot and the unit will only run off the USB port while plugged in. Submersing in water is not a good idea. On the back of the unit there are some small holes for the speaker. These speakers corrode from sweat and eventually quit.

Jun 05, 2009 | Garmin Forerunner 305 GPS Receiver

2 Answers

I have the forerunner 305 - it is not taking a charge and won't turn on??? I have only used it 4 or 5 times

Plug in the garmin to the wall.
Hold down the reset and mode buttons for 3 seconds.
Try to turn it on or look for the "charing in process" words.

Jan 17, 2009 | Garmin Forerunner 305 GPS Receiver

2 Answers

Not Charging

Mine neither. Looks like that contacts on my watch are "worn out" or dirty. Will try to clean.

Feb 09, 2008 | Garmin Forerunner 201 GPS Receiver

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