Question about Envision EFT720 17" Flat-Screen CRT Monitor

2 Answers

Screen width unadjustable

This problem just came up today, where the horizontal edges of the screen are not shown on the monitor, ie i cant see the start button or the system tray. Adjusting the screen size with the buttons on the front of the monitor work for everything except the horizontal width. i even tried to just zoom out so i could at least see the edges of the screen, but the width stayed teh same, while the height changed. Thanks in advance for any help.

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  • 5 more comments 
  • collin quinn Sep 25, 2006

    well i understood the first sentence. i have no idea what those common causes mean. does it mean i need a new monitor?

  • joara Apr 13, 2008

    need to adjust monitor screen size screen is too wide

  • Lori Lewis Apr 20, 2008

    recently I purchased a new flat screen. How do I reduce the area to fit the screen? when look at the screen I have to move my pointer to the top to view the tool bars and move it to the bottom to view and use the start button? the sides are also too wide???? please help????

    Lori

  • Woodenmetal Jun 09, 2008

    Exactly what he said. horizontal width cannot be changed. Also when I start my computer, theres no display. The screen just comes on and off. Then the screen comes from the welcome screen.

  • joara Jun 17, 2008

    picture too big for screen, have to move bottom arrows to centre screen

  • hlttlnck Aug 20, 2008

    I cannot adjust the screen size to view task bar and system tray.

  • vytong Nov 16, 2008

    Screen Resolution is too big and I tried to change it, but it is unchangeable. This is what it says when I try to change it: The currently selected graphics display driver can not be used. It was written for a previous version of Windows.


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I think the "expert" here missed the fact that this is a LCD monitor.
It has no yoke or flyback coil. The product listed EFT720 is not
a CRT although it says so. Confusion is from the "Also relates to list below which shows that shows most of the monitors are LCD type. Sorry, I don't have a solution. I'm looking for one.

Posted on Jun 16, 2008

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Most likely width control circuit has developed a problem. Most common causes are a failed diode in the yoke return circuit or open capacitor near the flyback.

Posted on Sep 24, 2006

  • mike fischer
    mike fischer Dec 24, 2006

    If you don't understand the explanation, take it to an expert or throw it away.

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Posted on Jan 02, 2017

simplemitch
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SOURCE: the on/off button on my

Sounds like one of the buttons is jammed or broken (stuck). Try pressing each button one at a time. Does one not click or feel like the others? You might need to pry at it a little to unstick it. Let me know if that works or not.

Posted on Jul 03, 2011

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Related Questions:

1 Answer

Explain how the monitor buttons work


Monitor Icon Description of icon function moncont.gif Power - Turns the monitor on or off.
Brightness - Using this button or wheel the user can increase and decrease the brightness on the screen.
Contrast - Using this button or wheel can increase and decrease the amount of contrast on the screen.
Horizontal Size - Allows for the picture on the screen to be stretched to the horizontal edge of the monitor.
Vertical Size - Allows the picture on the screen to be stretched to the vertical edges of the monitor.
Horizontal Position - Allows the picture to move moved horizontally, once in the center the user can then use the Horizontal size to stretch it to have an equal amount of black border on each side.
Vertical Position - Like the Horizontal Position, using this button or wheel the user can move the picture up or down to center the picture more appropriately.
Full Screen - Sets monitor to full screen.
Degauss - This button will degauss the CRT, restoring possible color impurities. After this button has been pressed the degaussing circuit will be activated and then deactivated after a few seconds. Pressing and holding this button for a few seconds may cause your computer monitor to reset all data.
Corner and Trapezoid Correction - Using this button or wheel the user can either round the edges of the picture or move the picture inward like an hour glass or outwards.
Vertical Linearity - Sets the width of the vertical lines.
Moire - Removes or reduces the Moire effect, if any.
OSD Controls - If the monitor contains OSD controls, allows for the OSD menus to be adjusted.
Power Management - Allows the user to define the power management settings through the monitor itself and not the software.
Monitor Status - Displays the current monitor settings such as refresh rate and other settings.
Language - Sets the language on the monitor.

Aug 16, 2014 | Computers & Internet

1 Answer

I accidently hit recall on my monitor settings. I now have a smaller veiwing screen with black edges


You didn't say which OS you're using but it sounds like you've changed the aspect ratio of your video signal. Different screen resolutions have somewhat different aspect ratios. The aspect ratio indicates the ratio of the number of pixels of width to those of height. For example: my video driver offers a resolution of 1280 x 960 or 1280 x 720 which would give screen aspect ratios of 1280/960 = 1.33 :1 and 1280/720 = 1.77 : 1. The latter would produce a narrower image. You can compensate somewhat by increasing your horizontal sweep voltage with your monitor menu. A better solution would be to select a resolution that more closely matches your monitor's screen size.

Aug 10, 2011 | Dell D1028L 17" CRT Monitor

1 Answer

Screen horizondally pulled right side and screen rolled to left side


hi,
your monitors horizontal deflection side have some problem. you have to check the horizontal width cotrolling transistor mounded on the aluminum heatsik near the lot( line output transistor). also check the three mosfets which adjust the width for different resolutions. there are three such mosfets in the horizontal section.

fist of all replace the width controlling transistor in the heat sink. photo of mosfet and transistor is added for reference. not the exact number.
ok
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Jan 27, 2011 | AcerView 99C 19" CRT Monitor

2 Answers

My screen appears horizontally expanded


If your monitor is crt type, on its menu control, goto menu setting look for something that will adjust horizontal width. Or set the adjustment on Display setting in windows.

Apr 10, 2009 | Computers & Internet

1 Answer

Suddenly my horizontal size on my Dell montoris reduced about 1/3


On the monitor there should be some buttons that allow you to manually configure the width and hieght that the screen comes up with.
Does you screen come up squashed but you can still see everything or only 1/3 of the screen is shown and the rest is black.

Mar 20, 2009 | Dell E153FP 15" LCD Monitor

1 Answer

Lg flatron 775ft screen size problem


Hi Edit123,

U can chane output width and height from buttons given on LCD panel manually

Sep 19, 2008 | LG Flatron L1750S 17" LCD Monitor

1 Answer

Width increases a bit on lowering and incresing resolution


Hence my earlier suggestion of lowering the resolution, it was actually a test.

Now we are getting somewhere. Yoke is definitely out, opposing diode pair is also out. The remote chance of the horizontal sync/oscillator is also out. That leaves us only with a possible resistor that has gone up in value (or is open) (least likely) and/or a capacitor (most likely) that has leaked, bulged or whose capacitance has gone down.

Perhaps a service manual would be of more help.

Good luck.


Jul 20, 2008 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

Screen width unadjustable


chk the resolution is as mentioned by the makers in the user mannul.

Jun 16, 2008 | Computers & Internet

2 Answers

Monitor Height Shrinked and unadjustable.


that is my problem right now,,,just get your monitor and threw it outside....no use its a junk...

Dec 05, 2006 | Likom Futura LD5 15.1" CRT Monitor

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