# White oval spot in center of screen on garmin 2720 gps

Installed on motorcycle, rode on a damp morning spot appeared in middle of screen changed size as i was riding got more pronounced as i rode after i stopped it went away. rode some more spot started to come back and disappeared before i stopped the motorcycle this is a garmin 2720 gps streetpilot spot was about inch and a half long and about a quarter to 3 inches tall was wondering if it was moisture that caused this look like spot was on the inside of the screen

Posted by on

• Level 1:

An expert who has achieved level 1.

Corporal:

An expert that hasĀ over 10 points.

Mayor:

An expert whose answer gotĀ voted for 2 times.

Problem Solver:

An expert who has answered 5 questions.

• Contributor

The touch screen is made up of several layers. A thin plastic layer, a micro thin metal layer, microdots for insulators, another 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.

If the touch screen is still working the moisture probably isn't between the layers. My guess is moisture got through one of the gaskets and made it's way in between the touch screen assembly and the TFT display.

If you want to clean 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 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 ones by the IR receiver.

Now that the touch screen is in your hand you can carefully clean the moisture from between the two assemblies. The gaskets are tricky to install again but it can be done, maybe you'll see where they were leaking.

Posted on Jan 24, 2009

Hi,
A 6ya expert can help you resolve that 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.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
Good luck!

Posted on Jan 02, 2017

×

my-video-file.mp4

×

## Related Questions:

### Garmin 2720 lost sound

do not buy any this product garmin does not warranty or stand by its products, if have this fixed it will cost 300 but if you buy a new gps it will cost 150.00 can you understand this ?

May 09, 2009 | Garmin StreetPilot 2720 GPS Receiver

### How does one update th gps?

You connect the 2720 to your pc with the supplied usb cable.
Power up the 2720 with the ac supply cable.
Then run the garmin webupdater. It will do the update.

You must have previously installed the webupdater and the usb drivers. If you use the garmin mapsource software and can connect to the 2720, to transfer waypoints, tracks, etc., then the usb drivers are already installed.

http://www8.garmin.com/products/webupdater/howtoinstall.jsp

Hope this helps.

Feb 24, 2009 | Garmin StreetPilot 2720 GPS Receiver

### Garmin 2720 touchscreen won't work, must use remote control.

The touch screen is 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 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. Actually the real last resort is to have Garmin fix it for a flat \$250. Good luck.

Jan 18, 2009 | Garmin StreetPilot 2720 GPS Receiver

### Garmin GPS 2720

Unfortunately, Fixya is not associated with Garmin. We can only answer device questions and can't speak for the company.

Unfortunately, the unit cannot be upgraded. Garmin provides both in and out of warranty repair service if the unit is having a problem. The 2720 sells for \$49 on Amazon, so it probably is not worth your while to have fixed.

The 2720 is known to have issues unfortunately, it is pretty lowly rated on Amazon.

Mar 23, 2017 | Garmin StreetPilot 2720 GPS Receiver

### When type a S on my Garmin 2720 Get a T

try recalibrating your touch screen. I had to do this on an old 2610

Aug 06, 2008 | Garmin StreetPilot 2720 GPS Receiver

### 2720 street pilot replacement

The screens are not interchangeable. The 2610 screen is 3.3x1.7" and is 305x160 resolution. The 2720 is the exact same size but 454x240 resolution.

Jan 13, 2008 | Garmin 010-00358-00 GPS Receiver

### Touch screen won't calibrate on garmin 2720 gps

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

Sep 30, 2007 | Garmin StreetPilot 2720 GPS Receiver

## Open Questions:

#### Related Topics:

256 people viewed this question

Level 3 Expert

Level 3 Expert