Question about Garmin Forerunner 305 GPS Receiver

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Brightness on garmin forerunner 305 is turned down all the way so I can't see anything.  How can I reset it to factory settings with out seeing the screen?

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Use the mode buttion to cycle to the main menu to Settings to general to Display. here you can change the contrast. In my manual it is page 45

Posted on Jan 01, 2009

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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

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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

My Garmin 305 will not turn on. Battery will not charge nor indicate anything on screen. Will a replacement battery correct this problem? Where can I get it repaired near zip #23502?


Probably it's not linked to battery. Try resetting device (see on garmin support how to do holding mode&reset buttons).

Myself I can restart it if applying this, but it restarts only once, always same procedure needed to make it start.

Aug 22, 2010 | Garmin Forerunner 305 GPS Receiver

3 Answers

Garmin Forerunner 305 won't turn on and won't charge. Is there a fix or is this it for the device?


Look at
"http://www.activesplit.com/my-garmin-forerunner-305-doesnt-power-on-its-just-dead-solutions/"

You can soft reset or hard reset the device. Hard reset deletes all data.

Apr 01, 2010 | Garmin Forerunner 305 GPS Receiver

1 Answer

How do i change my forerunner 305 from kilometrs to miles


Hit Mode till you see settings- (arrow down to Settings and press enter)
Then General (enter)
Arrow down to Units (You hav to arrown down 7 times) (enter)
You will see Metric.... change it to Statute. (enter)

Nov 20, 2009 | Garmin Forerunner 305 GPS Receiver

1 Answer

Garmin 305 forerunner


you can't. If it is getting softer and softer the speaker may be on it's way out.

See this link for a possible reason (bottom of the page).

http://ctorunner.googlepages.com/dismantleforerunner205

Sep 01, 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

My Garmin forerunner 305 will not turn on.


I have had the same problem. To fix it, I simultaneously hold down the "mode" and "reset" buttons for about 10 seconds. After releasing the buttons I power it up as normal. This has worked both times it has happened, and I got this fix from the Garmin website. My mileage totals are still in the history.

Dec 14, 2008 | 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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