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Hi. We have an HCL monitor. Suddenly from yesterday, the brightness symbol (with its percentage numbers) keeps popping up, even after we have adjusted our brightness level (about 50%). It just keeps...

vijipakki, You or technician will need to look for bad capacitors (tops of them swollen) on the "switch-mode-power-supply" circuit board. What is correct model number of your unit and the "date of manufacture" from rear of unit?? click on "comment" to leave a reply. 12fixlouie

Sep 10, 2010 | Dell E172FP 17" LCD Flat Panel Monitor

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A blue box keeps popping up on my screen that shows brightness & contrast %. How can I remove this?

You may have problem in the logic board (the right board in the first picture), bad firmware in the ROM chip, which there is not much you can do to reload the firmware. You can open it up and inspect the inside.

Apr 18, 2010 | HP Pavilion F1703 17" LCD Monitor

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The brightness/contrast box keeps popping up without any buttons being pushed and sometimes scrolls through the options with nothing being pushed

There might be dirt underneath or close to the buttons.Try some compressed air to remove any dirt that might be there.Remember to unplug the monitor before you try to service it.
Good Luck

Oct 22, 2009 | Dell E153FP 15" LCD Monitor

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Brightness menu keeps popping up

This problem is usually caused due to a faulty microswitch in the brightness button. To rectify this, you'll have to change this switch.
Get your monitor serviced by a qualified service personnel.
Hope this solves your problem. For more help or clarifications, please reply. Thanks.

Aug 09, 2009 | Hannspree 28" Widescreen Flat-Panel LCD HD...

1 Answer

Monitor control panel keeps popping up on screen

hi..if you soldering iron or do you have a electronic technician you need help him.the defective parts need to replace is Tack switch inside the CRT/Monitor..Thanks and Good Luck...^_^

May 10, 2009 | Dell E551 15" CRT Monitor

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I just bought a sharp tv lc32sb24u as an open box so it did not come with a manual. i have a blue display box that pops up that i don't know how to get rid of and is there anyway that i can change the...

There has to be a menu for picture settings affecting contrast and brightness. Just be patient and you will find them.. Or go to sharp web page for manual download.

Sep 20, 2017 | Sharp Aquos LC-32D40U Television

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Brightness quit working


Unfortunately, it soulds like the monitor may be going bad. You may have to use the manufacturer warranty if its still valid.


Nov 14, 2008 | HP Pavilion a305w (DM181AR) PC Desktop

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