Question about Garmin Forerunner 405 Handheld GPS Receiver

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Forerunner 405 does not transfer data to computer successfully

Everything says data is transferring and watch says data transfer was successful but computer states data transfer was unsuccessful right at the end of the data transfer. No data is transferred to the computer and no error messages appear.

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  • Anonymous Feb 18, 2009

    I have the same problem. Device appears to transfer data successfully to computer, but every time the computer tries to send it to Garmin Connect it says "transfer failed". The tech support people at Garmin couldn't help and transferred me to the software department but I didn't have time to hold another 30+ minutes to wait for help.

  • thedaniels5 Mar 25, 2009

    I'm getting a "transfer failed" message after data supposedly successfully transfered from watch to ANT. I even did a software update to latest version and this didn't help. Someone please help!

  • eapringle Apr 11, 2009

    I have the same problem. Data seems to transfer successfully but at the very end of the process, I get the message "data transfer failed". I was able to transfer new firmware but still the same problem with my data. Please help! What good is this device if I can't look at the data it tracks??


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  • 1 Answer

SOURCE: computer has a problem communicating with my forerunner 205

I just got off the phone with garmin tech. She helped me solve the problem. Here are the steps.

1. Go to

2. Download "Forerunner 205 Ver. 2.80 as of Nov 12, 2007", unzip it, and browse to the folder you unzip the files to.

3. Make sure your Forerunner is connected to your computer and turn it on. Drag file "048401000280.rgn" and drop it on "Updater.exe". A screen will pop up, select "USB" then click OK. Then wait till the process completes.

4. Go to the website on Step 1 and download "Training Center For Windows Ver. 3.3.4 as of Feb 29, 2008". Install it.

5. Run Training Center. At this point, I am able to send/receive data to my Forerunner.

Hope this helps!

Posted on Apr 02, 2008

SOURCE: GARMIN 305 Forerunner wont transfer data to PC

For Pc users:

Go to Garmin website Updates & Downloads, Training Centre for Windows software version 3.4.1, click on download.

I previously deleted all saved couses on Training Centre, but don't know if this is relevant.

Posted on Jun 02, 2008

  • 3 Answers

SOURCE: I can't update the firmware on my forerunner 405

There are two steps for the firmware update - two bad Garmin doesn't warn people upfront.

The first update is preparing for the ANT stick - it takes about two minutes.
The second step is the core of the firmware(software per Garmin) update which takes about 10 to 15 minutes depending on how busy the Garmin Connect site is.

Since you already got through and got the "unsuccessful" message, I assume you already know how to start the update properly.
To finish it - Make sure you do not interrupt the process, just let it run through the 2 steps mentioned above.  And be patient - the 2nd step follows the 1st step automatically.  Don't touch the bezel and change screen during the update, just leave it alone.  It took me a few times to get it done successfully because after the 1st step finished, I started to flipping screens to find out if it get updated to ver 2.50, before I found out there would be step 2 coming automatically.
If you see the process bar moving after the 2nd step and see "software loading" you are in for good.

Hope this may help.

Posted on Jun 30, 2009

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This solved my problem:
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