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Sensors on Forerunner 955 not operational after update yesterday

8487280
4 days ago

Hi there, 

After the latest update the watch (Forerunner 955) does not show HR and steps anymore. Also, wrist HR light sensor is not functional. The challenge is that I have Durban 70.3 Ironman on Sunday and kind of need my watch to work properly. Does anyone else have this issue on this model. I have emailed garmin SA and called. The lady helping me was really nice and we did a hard reset but did not work. The only other option I still need to try is update via the PC with the recharge cable. Let me know if anyone is also experiencing this and has found a solution. Thank you so much

Jaco

  • 0 4 days ago

    Have you tried the hidden reinstall software option yet?

    Get to the About screen (System→About) and press the top left LIGHT button 8 times.

  • 0 4 days ago in reply to nowster

    Hey Nowster, thank you so much for your suggestion. I just tried it and it did a few updates, but I saw in one instance where it stated "update failed" and also stated 'update from Garmin Connect App". Thank you. I will try again

  • 0 4 days ago in reply to 8487280

    If there's a * next to the version number in the first About screen (eg. 23.20*), the most recent update failed to complete in some way.

  • 0 4 days ago

    @nowster you're fantastic!! I confirmed that I had 23.20* and just ran the sneaky re-install software.  After doing so, it's still showing 23.20* and still getting slow responsiveness on the button clicks/UI.   Going to try it one more time, any other hints at why the update could be failing?

  • 0 3 days ago in reply to kenjdavidson

    I don't know why it occasionally fails. My most recent experience with the beta caused a few failed updates. I've repeatedly raised it as a discussion point in my reports on the beta forum, but nobody has picked up on it.

    One thing you might do is look into the filesystem on the watch: look in GARMIN/RemoteSW for any files. It's safe to delete them, disconnect the watch from the PC, then power off/power on the watch. Then try the update again.

  • 0 3 days ago

    I all, thank you for all the input. My watch works!!! I have never done an update with the watch plugged in PC and doing it via Garmin Xpress. This was the first time and it fixed all of it and updated maps as well. 

  • 0 3 days ago in reply to nowster

    My watch is fixed. I did an update using charging cable, laptop and via Garmin Xpress. Lekka! It worked

  • 0 3 days ago in reply to nowster

    I had to run the install (secret) like 3 or 4 times, but it finally updated and now shows `23.20` without the asterisk on the About page.  Sadly, it's still very slow to respond to button clicks at times, I wouldn't say it's unusable, but it's pretty close.  I'm more concerned about the Golf features, so we'll see if the full patch resolves that, if so, I can deal with a little slow button clicks (maybe).

    Will maybe give the USB/Garming Xpress update a try later.  Thanks for the update!

  • 0 1 day ago in reply to nowster

    Ahoj

    jak je to přesně? systém a pak jaka obrazovka? co znamen O aplikaci sori asi jsem natvdlya potrebuji podrobnější navod za který předem děkuji KM

  • 0 1 day ago in reply to 7807492

    how is it exactly? system and then what screen? what does it mean? About the application sorry I probably got confused and I need more detailed instructions for which I thank you in advance KM

    Press and hold the middle button on the left side until a menu appears.

    Press the middle button again. The entry "System" (or its equivalent in Czech) appears.

    Press the top right button. A new menu with entry "Language" in the centre of the display will appear.

    Press the middle button. The entry "About" will be in the centre now.

    Press the top right button. Technical details about the watch will appear. (Unit ID, Serial Number, Software Version)

    Press the top left button eight times.

    A secret "Support" menu will appear. One of the options is "Reinstall Software".

    Press the bottom left button once to move it to the centre of the display, then press the top right button to select it.