Question about BenQ MP622 DLP Projector XGA 2000:1 Contrast 2700 Lumens 5.5LBS Projector

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Dots appearing on the display screen - BenQ MP622 DLP Projector XGA 2000:1 Contrast 2700 Lumens 5.5LBS Projector

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After you make claning, if you still found white dots, you have to replace old DMD chips, Benq mp622 needs 1076-6038B DMD chips, for any further demand, please contact me

Posted on Mar 27, 2012

  • sialkot_nr1
    sialkot_nr1 Mar 10, 2013

    How can i get DMD chip for BenQ MP 670 and what ist the artikel nr, kann i get som instruction for change it.regard syed

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If these are pixel shaped dots then the DMD chip is most likely faulty

Posted on Apr 11, 2011

  • Rizal Malik
    Rizal Malik Aug 15, 2013

    any online manuals on how to change the DMD on the 1409X?

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1 Answer

Touch screen calibration


To calibrate the StreetPilot c-Series touchscreen, follow these steps: Begin with the device turned off and unplugged from a power source Power the device on and continue to hold the power button for 1 minute Release the power button when the screen displays "Press Dot" Accurately touch the dots as they appear The dots will change location A stylus or pencil eraser may be used to accurately touch the dots Touch OK when the "Calibration Complete" appears The touchscreen is now calibrated.

Oct 16, 2013 | Garmin StreetPilot C330 GPS Receiver

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Screen


Try a mild soapy warm water solution (not too much) - if the black dots appear to be being caused by the display screen, some pixels may be faulty which would require servicing of the camera or possible display replacement

Apr 10, 2012 | Computers & Internet

1 Answer

Touch screen not responsive after speaker replacement It worked before speaker replacement.


To calibrate the touchscreen on a nuvi 300 or 600 series:

1. Power the unit On.

2. From the Where to? / View map screen, touch Settings (wrench icon).

3. Touch Display.

4. Touch Recalibrate.

5. A new screen will display that says Press Dot.

6. Touch the center of the dot.

7. Keep touching the center of the dot as it moves around the screen.

8. When Calibration Complete appears on the screen, please touch OK.

The touch-screen will now be recalibrated.

Nov 04, 2010 | Garmin Nuvi 360 Bilingual GPS Navigator...

1 Answer

My garmin nuvi 660 touch screen dosen't work


To calibrate the touchscreen on a nuvi 300 or 600 series:
  1. Power the unit On.
  2. From the Where to? / View map screen, touch Settings (wrench icon).
  3. Touch Display.
  4. Touch Recalibrate.
  5. A new screen will display that says Press Dot.
  6. Touch the center of the dot.
  7. Keep touching the center of the dot as it moves around the screen.
  8. When Calibration Complete appears on the screen, please touch OK.
The touchscreen will now be recalibrated.

If your touchscreen is not responding to any touch and preventing you from recalibrating the touchscreen using the instructions above, please follow the steps below:
  1. Connect your nuvi to your computer with a compatible USB cable.
  2. Open the Garmin Nuvi drive located in MyComputer/Computer. (Note: Mac users can locate the Garmin Nuvi drive icon on the Desktop.)
  3. Open the Garmin folder.
  4. Locate and delete the GUPDATE.GCD file.1
  5. Safely disconnect your nuvi from your computer.
  6. Power the nuvi Off.
  7. Power the nuvi on by holding the power button.
  8. Continue holding the power button down for 1-2 minutes until the screen calibration option displays.
  9. Touch the center of the dot as it moves around the screen.
  10. When Calibration Complete appears on the screen, please touch OK.

The touchscreen will now be recalibrated and should respond properly.

Oct 24, 2010 | Garmin Nuvi 660 GPS Receiver

1 Answer

I have a garmin nuvi 660. the touch screen isn't working


To calibrate the touchscreen on a nuvi 300 or 600 series:
  1. Power the unit On.
  2. From the Where to? / View map screen, touch Settings (wrench icon).
  3. Touch Display.
  4. Touch Recalibrate.
  5. A new screen will display that says Press Dot.
  6. Touch the center of the dot.
  7. Keep touching the center of the dot as it moves around the screen.
  8. When Calibration Complete appears on the screen, please touch OK.
The touchscreen will now be recalibrated.

If your touchscreen is not responding to any touch and preventing you from recalibrating the touchscreen using the instructions above, please follow the steps below:
  1. Connect your nuvi to your computer with a compatible USB cable.
  2. Open the Garmin Nuvi drive located in MyComputer/Computer. (Note: Mac users can locate the Garmin Nuvi drive icon on the Desktop.)
  3. Open the Garmin folder.
  4. Locate and delete the GUPDATE.GCD file.1
  5. Safely disconnect your nuvi from your computer.
  6. Power the nuvi Off.
  7. Power the nuvi on by holding the power button.
  8. Continue holding the power button down for 1-2 minutes until the screen calibration option displays.
  9. Touch the center of the dot as it moves around the screen.
  10. When Calibration Complete appears on the screen, please touch OK.

The touchscreen will now be recalibrated and should respond properly.

Oct 24, 2010 | Garmin nuvi 650 GPS Receiver

1 Answer

When I turn on my nuvi 200 it says press dot. When I press the dot it just moves around the screen to different location.


To calibrate the touchscreen on your nuvi 200 series follow the steps below:
  1. Have the unit turned OFF and unplugged from power.
  2. Slide the power switch to the ON position and hold for about 45 seconds.
  3. A message will display on the screen: Press Dot.
  4. Once this message displays, release the Power button.
  5. Press in the center of the Dot.
  6. Keep pressing in the center of the Dot as it moves around the screen.
  7. Once this is complete, there will be a message: Calibration Complete.
  8. Touch Ok and the unit will restart.
The touchscreen will now be recalibrated.
*Note if unit is running software version 6.00 or newer you will want to follow steps from below.

To calibrate the touchscreen on your nuvi 205 series follow the steps below:
  1. Have the unit turned OFF and unplugged from power.
  2. Place your finger in the top left hand corner of the touch screen and apply pressure.
  3. Slide the power switch to the ON position. Once unit powers on release the power button.
  4. Hold pressure in left corner until the Press dot message appears.
  5. Once this message displays, remove your finger from the screen.
  6. Press in the center of the Dot.
  7. Keep pressing in the center of the Dot as it moves around the screen.
  8. Once this is complete, there will be a message: Calibration Complete.
  9. Touch Ok and the unit will restart.
The touchscreen will now be recalibrated.

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Oct 23, 2010 | Garmin nuvi 205 GPS Receiver

1 Answer

Friend has a problem with his Garmin nuvi: when typing the letter to the left appears. what can be done?


It needs to be calibrated
To calibrate the touchscreen on your nuvi 200W follow the steps below:
  1. Have the unit turned OFF and unplugged from power.
  2. Slide the power switch to the ON position and hold for about 45 seconds.
  3. A message will display on the screen: Press Dot.
  4. Once this message displays, release the Power button.
  5. Press in the center of the Dot.
  6. Keep pressing in the center of the Dot as it moves around the screen.
  7. Once this is complete, there will be a message: Calibration Complete.
  8. Touch Ok and the unit will restart.
The touchscreen will now be recalibrated.
*Note if unit is running software version 6.00 or newer you will want to follow steps from below.
To calibrate the touchscreen on your nuvi 205 series follow the steps below:
  1. Have the unit turned OFF and unplugged from power.
  2. Place your finger in the top left hand corner of the touch screen and apply pressure.
  3. Slide the power switch to the ON position.
  4. Hold pressure in left corner until the Press dot message appears.
  5. Once this message displays, remove your finger from the screen.
  6. Press in the center of the Dot.
  7. Keep pressing in the center of the Dot as it moves around the screen.
  8. Once this is complete, there will be a message: Calibration Complete.
  9. Touch Ok and the unit will restart.
The touchscreen will now be recalibrated.

Aug 14, 2010 | Garmin nuvi 200W GPS Receiver

1 Answer

I cannot press H, O and V buttons in post code mode. different li


you will need to do a screen calibration. to do this.

press and HOLD the top left hand corner of the screen while sliding and holding the power switch in the on position. Hold bothe for about a minute and eventually a white screen will appear with a black dot which will say press here touch that dot and the following dots that appear until you get a message saying that calibration is complete.

you should no longer have that problem

Jul 08, 2010 | Garmin nuvi 205 GPS Receiver

1 Answer

I'm getting inaccurate letter entry on the letters I type. For example, when I type a B an M appears - I'm noticing it on the bottom row of letters at this time. Solution?


Are you sure you pressed the correct location on your screen???
If so, you may need to calibrate the screen.
Do this:
Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} To recalibrate the touchscreen on your nuvi 200 series follow the steps below:
  1. Have the unit turned OFF and unplugged from power.
  2. Slide the power switch to the ON position and hold for about 45 seconds.
  3. A message will display on the screen: Press Dot.
  4. Once this message displays, release the Power button.
  5. Press in the center of the Dot.
  6. Keep pressing in the center of the Dot as it moves around the screen.
  7. Once this is complete, there will be a message: Calibration Complete.
  8. Touch Ok and the unit will restart.
The touchscreen will now be recalibrated.

*Note if unit is running software version 6.00 or newer you will want to follow steps from below.
To recalibrate the touchscreen on your nuvi 205 series follow the steps below:
  1. Have the unit turned OFF and unplugged from power.
  2. Place your finger in the top left hand corner of the touch screen and apply pressure.
  3. Slide the power switch to the ON position.
  4. Hold pressure in left corner until the Press dot message appears.
  5. Once this message displays, remove your finger from the screen.
  6. Press in the center of the Dot.
  7. Keep pressing in the center of the Dot as it moves around the screen.
  8. Once this is complete, there will be a message: Calibration Complete.
  9. Touch Ok and the unit will restart.
The touchscreen will now be recalibrated.

Dec 26, 2008 | Garmin nuvi 260W GPS Receiver

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