Question about Garmin StreetPilot c340 GPS Receiver

2 Answers

Garmin c340 FROZE? Here is how to fix it!

I came here looking for solution and tried the "press eraser in bottom right corner and turn on" but didn't work for mine BUT if you look at the face plate (the part on the front that says "Garmin",) just under the word "Garmin" you see a small indent in the plastic, useing your finger nail, gently pull upwards and the face plate will come up. Also, be gentle while pulling the face plate being careful not to break it. ( I advise that you use your nail and not anythng that might scratch the plastic if you are intending on returning the unit, cause they may suggest that you tampered with it and that "voids the warrenty") Anyway, look at the USB plug (above the ON button on the side) and you see a tab, press it and the unit will reset.

Seems to me that with all the problems Garmin has had with their units freezing up that I should have found this solution on the garmin site! To think that there are people who will throw there unit away because of this problem OR who will pay 150.00 bucks to get it fixed through Garmin.

Posted by on

  • 5 more comments 
  • daverob Feb 08, 2008

    when i turn on. i hit where to or view map and i get nothing.

  • sandrajoyce Feb 10, 2008

    Garmin c340 is froze. It won't turn off and none of the icons work. Tried to get the face plate to come off so I could try to reset the unit but afraid to use too much pressure.

  • Anonymous Feb 25, 2008

    Thank you, hrtfelt32! You described perfectly how to fix my Garmin (I have the 330 model). Never let your 4 yr-old niece play with it while you drive. THANK YOU!

  • Anonymous Oct 15, 2008

    Same problem, took you advise, reset it and IT WORKS!! Thank you so much!

  • martyrr Mar 10, 2009

    Same problem, probably left it on battery power all night. Reset button worked GREAT! Charging it on USB port right now. Thanks!

  • lve2shop Apr 23, 2009

    I had the same problem. Your solution worked perfectly. Thank you!

  • madade May 12, 2009

    May 12, 2009. I had the same problem just this afternoon. Your solution worked. It was so simple I felt so stupid.



2 Answers

  • Level 1:

    An expert who has achieved level 1.


    An expert whose answer got voted for 2 times.

  • Contributor
  • 1 Answer

My garmin shuts down immediatly when I switch it on. Dont know if there is an internal battery that needs to be replaced or some thing else.

Posted on Feb 18, 2008

  • Level 1:

    An expert who has achieved level 1.


    An expert whose answer got voted for 2 times.

    Problem Solver:

    An expert who has answered 5 questions.

  • Contributor
  • 5 Answers

Hi -

TO: Kiij problem report

Just connect your Garmin C340 to a PC that is powered on with the Garmin's USB cable that came with the unit. Leave it there for 10 -12 hours. That should charge your GPS lithium battery and allow the GPS to power on and work normally.

I recently purchased a Garmin 340 and within 30 minutes of use I encountered a lock up / will not power on problem. I tried using the GPS in my car powered by the cigarrette lighter attachment - no luck. I tried depressing the reset button under the faceplate - no luck. I then tried installing the CD with the USB driver info onto my PC, but I could not because the GPS would not turn on to interface to the PC. Everything I tried did not work. I could not get the unit to power on no matter what I tried - I was frustrated and upset with the GPS. I actually called my supplier to obtain a Return Goods authorization because I thought it was broke. That evening as I boxed the GPS back up to ship it back to the supplier I decided to try one more thing. I just connected it to the PC via the USB cable. In a few minutes the unit actually popped on and then turned off . The screen lightly displayed that it was charging the battery. I left it all night - it was fully charged 12 hours later.

I have learned that my Garmin C340's lithium battery will not hold a charge for very long - maybe 24 hrs. Fully charged my C340's battery loses half of its charge during a 12 hour period if it just sits idle with the power off.

However, using my Garmin C340 in its cradle plugged into my car's ciggarrtee lighter during a day trip we took kept the GPS battery fully charged. So the GPS does run off the cigarrette lighter power and is being recharged while in use.

I have purchase a 110v Garmin C3xx AC voltage power cord that allows me to use the GPS indoors without being connected to car's cradle. It also charges the battery. I charge the GPS battery every night and the C340 works great ...

Hope that helps.

Posted on Apr 08, 2008


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Garmin frozen up

With the GPS unit off, press the bottom right hand corner of the screen. Turn the unit on while maintaining pressure in the bottom right corner of the touchscreen. When you see the prompt asking, "Do you really want to erase all user data?", you can release your finger and select yes.

Problems that may be solved by resetting the GPS;
-My nuvi will not track satellites!
-Forgot what settings were changed and need to restart.
-The nuvi will not connect to my computer.

Also it is best to perform a firmware update using Garmin WebUpdater. This too sometimes fixes problems you see with your GPS.

Oct 21, 2013 | Garmin NUVI2595LMT GPS

1 Answer

Garmin froze on erase


Try performing a soft and or hard reset on the GPS.
The soft reset is done with the unit disconnected from the power cord, press and hold the power button down for at least 10 seconds until the Garmin screen is displayed.

The hard reset is done with the unit disconnected from the power cord and the unit off, press and hold the lower right corner of the screen and press the power button. A prompt will appear asking "Do you really want to erase all user data?". This will erase all favorites that were saved to the unit. Press yes to reset the unit to factory specifications.

Run the Garmin WebUpdater program to install or reinstall the latest software for your device. This will usually fix any issues.

Be sure to download the correct version for PC or Mac.

You may also want to contact Garmin Support for assistance.

Jan 02, 2012 | Garmin Nuvi 1340T 44 in GPS Receiver

1 Answer

My c340 stops at "locating satellites". I reset it

If your StreetPilot c300 or c500 series device is no longer acquiring satellites please read the article linked below to ensure that this is not being caused by something in your environment:

Why won't my unit acquire satellites?

If after reading the above article your unit is still having problems, please ensure that your unit's software is up to date. You can do this by using our WebUpdater® program.

If you have tried all of the above suggestions and your unit is still not acquiring satellites, you can perform a master reset by doing the following:

Note: A master reset will erase all waypoints or favorites and will restore your unit to the default factory settings.
  1. Start with the unit powered OFF and unplugged from power.
  2. Touch and hold the bottom right corner of the touchscreen.
  3. Power the unit ON and continue pressing the screen until a new message displays, "Do You Really Want To Erase All User Data?".
  4. Touch Yes and go through the set up again.
Take the unit outside and let it set with a clear view of the sky for 3-5 minutes to acquire satellites. If the unit still does not acquire satellites after this, please contact Garmin Product Support.

Nov 17, 2010 | Garmin StreetPilot c340 GPS Receiver

1 Answer

Screen froze all of a sudden. Unable to turn it

Went to on-line manual and found out how to remove faceplate and reset as advised in response on FixYa. Thanks.

Nov 09, 2009 | Garmin StreetPilot c340 GPS Receiver

1 Answer

As I was driving and using my garmin, changing from my route to "detour" and back the screen froze (80 minutes ago). Since I tried to turn off (using power switch) and I also unplugged. Garmin remains in...

Try resetting the unit. Remove the faceplate (there is an indentation at the top) and press the Reset button on the right side of the unit. If this does not help, there is a Master Reset, but it WILL ERASE ALL OF YOUR FAVORITES. If you have to do this, press and hold the bottom right of the screen and press the power button until the unit resets.

Oct 01, 2009 | Garmin StreetPilot c340 GPS Receiver

1 Answer

My Garmin C340 froze up. can't shut off and touch screen does not

Have you tried a hard reset? Take off the silver trim ring around the screen by hooking a fingernail under it above the screen and lifting it off. There's a reset button at the side of the screen. Press that for a few seconds and it should re-boot the unit.

Jul 20, 2009 | Garmin StreetPilot c340 GPS Receiver

1 Answer

Garmin nuvi 200 frozen screen

with the garmin off, hold down the right bottom of the screen and turn the garmin on, it will then ask you if you want to perform a hard reset. Choose yes and that should fix your problem.

Mar 16, 2009 | Sony NV-U71T GPS Receiver

1 Answer

Lost Memory and Map Data

I just spoke with Garmin and they walked me through correcting the problem - very helpful. It is a matter of resetting the unit. Turn unit off, then press a finger tightly against the bottom right hand corner of screen, holding it while turning unit on. When screen comes up, let go of power button but still pressing bottom right hand corner of screen, answer question regarding deleting defaults. It is tricky and may have to be done a couple times. Then you will answer questions regarding time zones, etc. When finished with this, turn unit off and go outside in order for the unit to re-aquire satellites. When all four bars on upper right hand corner turn green, you're back in business - or at least it worked for me. Hopefully this will help, but you may want to call Garmin as they are really helpful and can explain it better than I can. Good luck!

Jul 04, 2008 | Garmin StreetPilot c340 GPS Receiver

1 Answer

Screen frozen

Be aware - A Master Reset WILL ERASE ALL OF YOUR FAVORITES. To do this, turn the unit off. Press and hold the bottom right side of the screen and turn the unit on.Keep pressing the screen until the unit asks if you want to reset. Press yes. This will do the Master Reset.

Mar 30, 2008 | Garmin StreetPilot c340 GPS Receiver

Not finding what you are looking for?
Garmin StreetPilot c340 GPS Receiver Logo

1,752 people viewed this question

Ask a Question

Usually answered in minutes!

Top Garmin GPS Experts


Level 3 Expert

82285 Answers


Level 3 Expert

3289 Answers

Will Halftowaite

Level 3 Expert

508 Answers

Are you a Garmin GPS Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides