Question about Garmin nuvi 255W GPS Receiver
Was traveling with the 255w on, the display froze and would not change as I was driving, turned the unit off to restart it and it comes back on with the calibration screen but when I touch it nothing happens
Try using a stylus if you have one or a pen (tip retracted) on the screen. Meaning something finer and thinner then your finger. Don't know why but this works on my unit when the recaibration screen comes up.
Posted on Nov 29, 2013
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Posted on Jan 02, 2017
SOURCE: Garmin C330
put your thumbnail under the silver faceplate above where it says garmin and on the right you will see a reset button. It will reset your garmin and you will not lose your information. Hope this helps.
Posted on Jan 06, 2008
SOURCE: Garmin 2610
Back up the unit then do a master reset.
Switch OFF, Press Page + Menu and turn on, holding the buttons for 5 seconds.
Then recalibrate. I did the recalibrate a few times before it was OK. If you use a stylus when the cross appears and hold it on the screen and move it to the corners you can see the error. Make a mental note and go halfway between the two if it does not calibrate at first go. Then when it calibrates, do it again. I recalibrate every now and again. I think it could be a firmware problem. I will try going from 4.8 to an old version
Posted on May 06, 2008
push and Hold the power button down while you push reset, keep power button pressed til it boots again. If it does not, and it's in warranty ship it to garmin. If it's out of warranty, have someone open it up and remove the battery for a couple of minutes.
Posted on Jul 23, 2008
The touch screen is a 4 wire resistive type made up of several layers. A thin plastic layer, a micro thin metal layer, microdots for insulators, another ultra thin metal layer, and a final plastic layer. All of these layers amount to the thickness of a sheet of paper. This whole stack is bonded to a thin sheet of glass and placed over the actual TFT display.
It's amazing that you can see through all these layers and only lose 20% of the light. What's not so amazing is that those thin metal layers are prone to damage. I've seen several with no apparent damage that didn't work, and several with visible scratches or cuts that worked fine.
I usually start by installing (or reinstalling) v7.2 firmware and then attempt to recalibrate the screen, sometimes that works. Next I would try re-seating the 4 conductor touch screen pigtail in it's ZIF socket nestled between the big white wires on the display assembly. The last resort is to buy a broken 2600 or 2700 series Garmin and salvage the touch screen. You could send it to Garmin for a flat $250, but that makes no sense at all.
If you get another screen (Garmin won't sell you one), Here's how to replace it:
Remove the six screw holding the case together.
Split the cases and pull the patch antenna out of it's slot.
Remove the four silver screws holding the display assembly into the front bezel.
Unhook the small ribbon cable that goes to the infrared receiver under the red lens.
Pull the display assembly out of the front bezel. It won't come all the way out because of cables.
Use a razor to cut the plastic tape holding the touch screen bracket to the TFT display.
Unlatch the 4 conductor ribbon from the ZIF connector nestled between the 2 big white wires.
Use a penknife to unbend the metal tabs keeping the touch screen from coming loose. I usually just do the two by the IR receiver.
When you reassemble, don't get frustrated with the gaskets, they're tricky but it can be done. Tom
Posted on Jan 24, 2009
Yes, you want to select "Avoid Highways" in the Avoidances menu. Please see this link on how to acccess that function.
Posted on Oct 01, 2009
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