When I power up my Etrex it works for about 10-12 minutes and then gets a vertical line down the middle of the screen and stops working and will not respond to commands. At this point I can remove the batteries and it will reset and the process repeats itself resulting in the vertical line, etc.

SOURCE: Screen Blanks

11-08-07
I had the same problem with an etrex Vista. I spoke with Garmin, they said that a recently launched WAAS satellite is interferring with some models (he mentioned it is the models with a black and white screen). Garmin tech support said that they're working on a software patch but for the meantime switch WAAS off.

Call Garmin tech support with any questions or to find out about the software patch, 1-800-800-1020

SOURCE: Garmin etrex legend

I had this problem today, updated the software, now the unit seems to be working perfectly. The unit "crashes" (single line down screen center) as soon as it get enough satelites to work with WAAS.

Go to Garmin site for software updates. Download and install the WebUpdater. Once or unit is hooked up to your computer and you have internet access, the software will download and update your GPS with the latest software fixes. I had software Version 3.7. For the Legend, Version 3.9 fixes the problems with WAAS.

SOURCE: ETREX LEGEND HAS 1 VERTICAL LINE ON SCREEN AND

Have you updated your unit's software from the Garmin site? There was a new satellite launched in 2008 which has been causing problems, and the new update fixes this.

Grand Canyon Tech

• 3867 Answers
• Posted on Apr 22, 2009

SOURCE: GPSr shuts off

Firmware needs to be upgraded on these units because the atellites are changing every so often so does the programming in these units, check to see if there is a firmware upgrade to fix these problems, the line in the middle of the screen is because it either hung during the process or the units lcd is going bad.

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SOURCE: screen goes blank after locating sattilites.

Accordingto Garmin, this problem can be fixed by disabling the WAAS feature in teh set up menu. There is an incompatibility between the old Garmin software and latest WAAS upgrades. Later software from Garmin is supposed to fix this problem.