Question about Garmin eTrex Legend Cx GPS Receiver

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Screen blanks out

I have a problem with my unit in that the screen goes blank and a blue line runs down the screen. The only way I can get it to go again is to unplug a battery and then turn it on. Sometimes it goes out again quite quickly, other times it will stay on. Any comments or solutions to this problem????

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  • jeannieDBM Jul 10, 2008

    We have about 15 Etrex legends in the field and all have had the same problem. Suddenly the screen will go blank and a blue line goes down one side. We have been able to pull the batteries out, put them back in and continue on with no problem. We call it the "blue line syndrome." A solution would be great. I haven't found anything on Garmin's website about this problem.

  • NITRAM_KONH Jul 29, 2008

    I have a legend cx, which screen blanks out whenever I attach it to an USB cable (which is already attached to a computer , Mac or PC). This behaviour started after I updated the firmware from 2.9 to  version 3.00. 
    I am stuck with this, because now I cannot even try to go back to firmware version 2.9.. 
    After the screen going blank, I can unplug the USB cable and pull out the batteries, put them back in and the device is starting up normally.
    What firmware versions are you using on your GPS devices ?

  • coffmans Sep 24, 2008

    I am having the same problem with about 8 of our units. Finding a solution would be great!

  • dennyof Sep 26, 2008

    have had this thing for about 3 years with no problems ... last time out sreen goes blank and blue line occurs left or right side. R&R batteries usually corrects problem temporarily ... not always

  • Anonymous Sep 30, 2008

    Have the same problem on about 30 receivers. It is especially frustrating when dealing with middle school students who encounter the problem in class. I wish Garmin would come up with a solution or a reason as to why it happens.

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  • Garmin Master
  • 636 Answers

Please go to the Garmin website and update the internal software in your GPS unit. A new satellite was launched in 2008 and is causing problems once your unit locks onto it. In the meantime, you can go into setup and disable WAAS. That will fix your problem temporarily. Do the update and see if that fixes this problem. If it does, please come back and rate our solution.

Posted on Jan 08, 2009

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