Question about IBM E54 15" CRT Monitor
I press the menu button on my monitor, and the brightness is at 100%, but photos/videos are still quite dark. I don't know what properties and/or settings I go to to change those features. I see everything on the website fine, which is bright altogether, except for videos and photos that just happen to be dark. Please help.
This problem is most likely to be caused by a bent or broken pin on the CRT video cable at the VGA connector, OR, this could also be caused by a damaged VGA connector on the back of the laptop. If neither VGA connector is at fault, the problem could be caused a damaged (kinked) CRT data cable, or internal damage to the VGA connector on the back of the laptop, though I suspect the problem is more likely to be external, and you probably won't have to disassemble the laptop to locate the culprit...
Posted on Mar 31, 2007
SOURCE: how to unlock the screen menu
You need to press and hold the "enter" button for 10 seconds to unlock the controls for adjustment. After you have the settings where you want them you can press and hold the "enter" button again for 10 seconds to lock menuback up. This will prevent anyone from changing your settings by accident.
Posted on Jan 08, 2008
SOURCE: phillips 202p4
Assuming no hardware/component fault, the dimness of a monitor signifies near end of life of the CRT (tube).
There are a few tricks/tweaks that can be done but of course these are just prolonging the inevitable. Should you want to give any of them a try, they are:
1. Adjust the Screen controller at the rear of the Flyback Transformer (FBT) to maximum effective brightness. It may also be needed to adjust the Focus control;
2. In some versions, there are sub-bright and/or Automatic Brightness Limiter (ABL) trimpots soldered direct to the PCB that can be adjusted;
3. the heater voltage can be slightly increased either by using a stepdown transformer that has multiple taps about1~2 amps. In some instances, the heater has an external loop around the core of the FBT, adding a turn or so would also serve the same;
4. adding a 100uF/160V capacitor after the diode of the FBT's output that supplies the 3 color drive transistors.
5. use the HV/anode cap of a small monochrome monitor to inject high voltage to the screen grids of the picture tube of the 22" CRT. the heater of the 22" CRT must be temporarily shorted.
All of the above require familiarity and knowledge of electronic components and circuitry, use of a soldering iron and working around high voltages.
If you are not comfortable going through this route, perhaps your best bet would be to seek the services of a qualified professional.
If your concern has not been corrected after completion of the above procedures, you may need to replace the monitor.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
Thank you for using FIXYA.
Posted on Feb 15, 2008
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Feb 10, 2013 | Gateway HD2201 22" LCD Monitor
You can adjust the
brightness and contrast of your monitor to improve the readability of text and
to make digital pictures appear more like they'll look when printed.
To improve the results
when adjusting the brightness and contrast settings for your display, use
Display Color Calibration. (Display Color Calibration helps you adjust these
color settings and others.) For more information about calibrating your display
color in Windows,
see Calibrate your display.
The way you adjust
brightness and contrast varies and depends on your specific display.
Brightness and contrast buttons on the front of the monitor. Some monitors have brightness and contrast
controls on the front and use the standard symbols shown in the following
On-screen menu. You can change the brightness and contrast settings for some
displays by using an on-screen menu, and then setting the brightness and
contrast in the resulting menu. Many times, you can view the on-screen menu by
pressing a button-possibly labeled Menu-on the front of the monitor.
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