Question about Garmin Forerunner 305 GPS Receiver

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Forerunner 305 I love my Forerunner wrist GPS but after just few uploads it quit allowing me to up load onto my computer. My computer say's it's not reading the info check to see if it's connected (which it is) but the watch itself say's transfer complete

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Re: Forerunner 305

My htc phone programs i had on my computer was interupting my connection between watch and computer,so as soon as i uninstalled the htc software it started working again, hope that helps

Posted on Apr 21, 2013

Re: Forerunner 305


Had identical problem (incredibly frustrating, glad I didn't have the heart rate monitor attached !) I did the following to resolve the issue :-

. Uninstalled the GTC
. Reinstalled it from the supplied disk
. Updated the Forerunner with the latest v2.8 software and GPS v3.00 from the Garmin website.
. Updated the Garmin USB drivers
. Updated the GTC with the :-
Training Center For Windows software version 3.3.2 as of November 7, 2007

This was on the Garmin site :-

Still early days, however the PC and forerunner are at least talking to each other :-)


Posted on Jan 03, 2008

Re: Forerunner 305

Just Cracked it. You need to go onto the Garmin Support Centre and download the latest software for the unit. Its has 100% solved the problem.

Best regards


Posted on Nov 15, 2007

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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

Garmin Forerunner 305 will not upload to Garmin connect, an error message says "object error"??


Try uninstalling and reinstalling the Garmin Communicator Plugin.

Also, you can call Garmin support for assistance.

Sep 04, 2011 | Garmin Forerunner 305 GPS Receiver

1 Answer

I have bought a new computer, windows 7. I cannot install driver for forerunner 305.

Glad to HELP YOU!

It's a well-known issue between Windows 7 and Garmin Forerunner.
Garmin company says it's a compatibility issue concerning the USB connection between the computer and the device and usually they recommend to be an Intel Chipset.
Try to download and install using the latest drivers available on their site on WIN 7 and Forerunner 305.m You have them ALL here and the USB driver was released this year and it's the last one on that list.


Mar 26, 2011 | Garmin Forerunner 305 GPS Receiver

1 Answer

I have a Garmin Forerunner 305. When I connected it to my PC It started to charge right away and then made an attempt to upload the data. The upload failed, although indicated it was successful on the...

the Gps should be on when you connect to the computer even if the battery is not good
it could be that it overloaded and the fuse burned
I fix the GPS
i am in New York

Sep 17, 2010 | Garmin Forerunner 305 GPS Receiver

1 Answer

Garmin 305 charges but wont upload to PC or MAC - have changed the cable but still not upload last training sessions

The Garmin fitness units are unreliable. I don't know the answer but the first place I'd look is in the Motion Based Forum.

Nov 04, 2009 | Garmin Forerunner 305 GPS Receiver

1 Answer

Garmin 305 stops uploading data

Try maybe a different computer and see if it works. If it doesn't then something is wrong with your item. Clearing the history won't help.

Aug 21, 2009 | Garmin Forerunner 305 GPS Receiver

1 Answer

Can't upload workouts from Forerunner 305

After deleting all but one month of history on the device, it still would not upload new workouts. It would hang in garmin connect, or indicate problem in training center. The solution, finally, was to delete all history EXCEPT for the new unloaded workouts from the device. They then uploaded.

Apr 04, 2009 | Garmin Forerunner 305 GPS Receiver

1 Answer

Garmin Forerunner 305 usb cable won't be read

The problem is probably not with the USB cable if the GPS wont even turn on. The older firmware of the Forerunner 205 and 305 have a problem with locking up. This causes the Forerunner to look completely dead. There is a reset procedure: push the mode and reset button at the same time and then let go and hit the power on button. If it powers on that is the problem. Go to the Garmin site and load the newest rev. of firmware into the Forerunner. Fixed mine and a few friends with the same problem.

I do however have a cable problem. Sometimes my PC will come up with unrecognized USB device and my 305 wont talk to the PC, it does charge. It is the cable or dock for sure, because I have tried a different cable/dock and the 305 has no problem. This is the reason I ended up here. I hope the lock fix works for those with the above problem.

Dec 16, 2007 | Garmin Forerunner 305 GPS Receiver

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