SOURCE: Monitor problem
Este problema lo resolvi reemplazando el regulador que alimenta al eprom , es ese chip pequeñito de 8 pines , si tienes un E50 ibm es el IC 604 que forma parte de los componetes de la fuente de poder y esta ubicado al lado del chip IC 202 .
Saludos y suerte a todos.
SOURCE: always seen brightness and contrast not exit
try turning it on and off, wait a few hours then turn it back on. it that dont work, turn it off then leave it till the next day then try. it should work.
SOURCE: brightness and contrast control screen always appears on screen
It is a disguisting problem which I am myself facing. This causes due to moisture on the monitor curcuit components and the curcuit pads get pressed. This can only be solved when by replacing rusted parts. Contact a monitor enjineer.
SOURCE: osd display
jsnent1, If monitor has manufacturing date close to 2006, then unit may have problem internal to it's switch-mode-power-supply. If smps dc output gets noisey due to bad or failed filter capacitors strange things may start showing up on-screen of lcd panel. Technician will need to evaluate unit and repair it. At least do another post and give me some history of unit so other readers will also know what to do if this problem occurs with their units. Also tell us the date of manufacture from rear cover of unit. 12fixlouie
SOURCE: brightness/contrast pop up,options toggling randomly can't select
sugars_30, You or electronics technician will need to (most likely) fix the units "switch-mode-power-supply" !!! Do some extensive reading in my fixya profile and follow the links to other "cold-cathode-fluorescent-lamp" back-lit lcd monitor tech's here on fixya. They and I already have written tons of stuff that will help you to understand the problem you have. When "strange stuff" starts happening with a ccfl lcd display, the first place to look is at the innerds of the monitor. Just do some reading!!! 12fixlouie
Hi,
Dear User...
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
image.
•
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.
Thanks....
Adjust your monitor's brightness and contrast
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.)
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 image.
Brightness and contrast symbols
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.
Laptop display. Laptop displays don't have brightness or contrast buttons on the front.
For a majority of laptops, there isn't a control for setting the contrast.
However, you can set the brightness of many laptops by pressing and holding the Fn key, and then pressing a function key to decrease brightness ( ) or increase brightness ( ).
http://windows.microsoft.com/en-US/windows7/Calibrate-your-display#
When using Display Color Calibration on a laptop, set the display to the maximum brightness setting.
Adjusting brightness automatically using adaptive brightness
Adaptive brightness is a feature in Windows that uses a light sensor to automatically adjust the display brightness to match the lighting conditions in your computer's surroundings.
To use adaptive brightness, you must have light sensors installed and enabled on your computer.
To determine if your laptop or computer monitor supports adaptive brightness, look for the Enable adaptive brightness setting in Power Options (mentioned in the following procedure) or check the information that came with your computer.
To turn adaptive brightness on or off
Open Power Options by clicking the Start button , clicking Control Panel, clicking System and Security, and then clicking Power Options.
Under any plan, click Change plan settings.
Click Change advanced power settings.
In the list, expand Display, and then expand Enable adaptive brightness.
To turn adaptive brightness on or off when your computer is running on battery power, click On battery, and then, in the list, click On or Off.
To turn adaptive brightness on or off when your computer is plugged into an outlet, click Plugged in, and then, in the list, click On or Off.
Click Apply. Click OK.
hope this helps
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