Question about BenQ Professional P211 (White) 21" CRT Monitor

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Loss of Display

The monitor is perhaps 2 years old, and is used only at home. While working on the computer, the screen width began to shrink. Adjusting the horizontal width setting increased the width, but the shrinking continued, until finally the display totally disappeared. Recycling the monitor power had no effect. Hooked up another monitor to the computer, and verified that the video card was still functional. Monitor had been on perhaps 12 hrs, but this is not unusual for a weekend.

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Burn your monitor

Posted on Aug 24, 2010

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Posted on Jan 02, 2017

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2 Answers

My acer monitor p244w has a clock setting on the menu.--what is this clock setting for?


The "clock" refers to the internal oscillator clock circuitry that is responsible for the generation of the video signals. It is NOT used to set the time on the monitor. It is used to make adjustments to how the display looks, usually stretching/shrinking the horizontal width.

Dec 30, 2009 | Acer Computers & Internet

1 Answer

Can't see the part of the page with buttons to -


The monitor will have a few buttons on it, in addition to the ON/OFF button.
Press one of the other buttons to activate the OSD (On Screen Display).
From the OSD, you can "shrink" the horizontal width of the "visible" part of the screen, to pull the '_' and the 'X' controls onto the screen.

Dec 28, 2009 | Computers & Internet

1 Answer

Shrinking of the display


The DB15 VGA (Video Graphics Array) connector contains however 15 pins in three rows of 5 pins each. These five pins carry the color and synchronisation signals, also a digital I2C interface for two-way communication between the video controller and monitor. The common 15-pin VGA connector found on most video cards, computer monitors, high definition televisions which support VGA connections. The following schematic diagram and table shows respectively connector and pin assignment of DB15 VGA.

Pin
Name
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

RED
GREEN
BLUE
n/c
GND
RED_RTN
GREEN_RTN
BLUE_RTN
VDC
GND
n/c
SDA
HSYNC
VSYNC
SLC

Red Video
Green Video
Blue Video
not connected
Signal Ground
Red Ground
Green Ground
Blue Ground
5 VDC supply (fused)
Signal Ground
not connected
DDC/I2C data
Horizontal Sycn
Vertical Sycn
DDC/I2C Clock


Aug 10, 2009 | SAMTRON 55V 15" CRT Monitor

1 Answer

Computer monitor does not use whole screen


Use the controls on the monitor to adjust the screen width.

Mar 30, 2009 | Computers & Internet

1 Answer

The display screen has turned black


When you connected the external monitor thto the laptop did it display?

If so then you have to reset the monitor port. Hold down the function key and find the FKEY that shows a picture of a monitor. Press that until you get the laptop screen back.

Typical use is:
  • 1 press = external monitor
  • 2 presses = laptop and dual monitor
  • 3 presses = just the laptop screen

Dec 12, 2008 | IBM ThinkPad R40 2722 Notebook

1 Answer

Monitor


Monitor sizes are measured on the diagonal from corner to corner.

A 17" LCD may have a screen width of 12 inches measured from side to side.

If you are measuring a old style CRT monitor (Cathode Ray tube) the visible screen area will be about an inch less as there is about 1/2 inch of plastic frame holding the CRT in the chassis. The manufacturer can advertise the actual size of the screen regardless of how much is actually visible to display information.

If you are talking about software not utilizing all the available screen area to display the image, that is an issue with the people writing the software code not keeping up with the changes in hardware.

In the past year or two, most displays have switched to the 16:9 and 16:10 wide aspect ratios while most web content is still written for the 4:3 old style aspect ratio. Eventually, software developers will catch up with cusrrent hardware.

Jul 25, 2008 | Gateway FPD2275W LCD Monitor

1 Answer

Dell m992 monitor screen width


The link below is a Digitally signed M992 monitor driver. http://support.us.dell.com/support/downloads/download.aspx?c=us&cs=19&l=en&s=dhs&releaseid=R44148&formatcnt=1&libid=0&fileid=51992 Also try upgrading to the latest ATI software and drivers. You can also try and change the frequency refresh rate to 75mhz. It in the Control Panel under 'Display' and tab 'Monitor'. It shows a list for frequencies you can try.

Oct 02, 2007 | Dell M992 19" CRT Monitor

1 Answer

Acer 19167W flat screen


Depending on the application you are viewing the picture in you can shrink the application window. You could reduce the size of the viewable area but that defeats the purpose of the wide screen which is to provide a better viewing experience (to quote the marketing types). It sounds like....since the wider screen really has nothing to do with your picture size....you might want to adjust your picture size independent of screens and applications. There are a variety of free products out there that can do this...and some are really nifty...perhaps better than the software you might now be using.

Aug 02, 2007 | Acer AL1916W 19" LCD Monitor

1 Answer

Can it be sorted


its old and no monitor this old works.
its older than 2001 year. on or about.
its a vacuum tube CRT relic o f the past.
dump it.
it is a fire hazard this old (dust /lint and 17,000 volts are not friends)
this monitor has this magic I2C chip inside that scans for errors 24/7 if it seen things that can burn up the screen it shut down.
fixing it will cost 5 time the price of a nice LED flat screen used, 17"
why mess with relics?
CRTs are endsville.

the monitor if you attempt to use an ******* resolution of any kind
my reset it self to avoid screen burn, CRTs can burn up.
each maker handles this in a different way,
one shuts off
other just cut the electron beam (Z axis ) to ZERO black screen.
there call there design.
1024 x 768 at 75 Hz, is max.,.. for a fact. so say the manual
try 60 Hz, did you?

Jan 21, 2018 | Dell E771a 17" CRT Monitor

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