Question about Lenovo Thinkvision 19" LCD Monitor

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Hi,I am unable to change the brightness of my lenovo lcd monitor

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  • mwhulkower Mar 03, 2009

    cannot unlock menu bar to change brightness


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  • 68 Answers

Menu cable underneath front bezel has come loose- remove bezel and reinsert

Posted on Aug 21, 2009

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I have a Dell Monitor 2407 WFPb. The monitor went black unable to locate the various adjustment button (that you can only see when monitor is bright-because it's black unable to locate them, unable to...

Try unplugging it from the electrical outlet for about 25 seconds. Then plug it back in and go to your settings if the power button turns the monitor back on if it does not work try it on another working computer. Sometimes this happens when the settings are two high of resolution when your graphics card cannot handle it. Hopefully the issue is not the monitor going bad. Thanks for using FixYa! Do not forget to place a vote for me if I helped you in any way. John

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My lenovo monitor, which is 2 years old, is giving me a problem of flashing on & off instantly, Although, I had sent it for repairs and repairing it worked great for 3 days and again it started with...

Hi gourav_ghsh,

regarding you concern about he monitor you mentioned you tried a different monitor but it does not flicker like the monitor that you have from Lenovo.

to check this issue you will need to try a different monitor Cable if it is VGA or HDMI depends on what you use for the video input.

try changing cables also try resetting the monitor to defaults, all LCD monitors have a factory reset option once the menu button is pressed.

I hope that this helps.

Have a nice day,


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The monitor is making a static noise. How do I stop this noise?


The static noise on lcd monitors are made by some capacitors due to uncalibrated settings inside the unit itself. You may try adjusting the contrast and brightness levels of your lcd monitor. If problem persists, have it replaced (assuming it is still under warranty). Then again, if the display output is unsatisfactory, have it replaced as well.

I hope this works for you. Good Luck!

"Understanding explains better..."

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the inverter which sends a signal to the lcd is either bad or the cable inside is loose.
good luck

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When you press power button press continues F8 key then you see safe mode and other menu enter in "ENABLE VGA MODE'
then go to dispaly property and settings then change screen resolution to 1024.768
then apply and ok.

Aug 18, 2009 | Lenovo ThinkVision L151p (Black) 15 inch...

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Monitor problem

Hi ,
you set the Brightness manually or otherwise you will repair the monitor.


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Philips 170S LCD - OSD locked and unable to remove display from screen, unable to adjust. Locked on Brightness setting which continually drops to 0. Any thoughts on how to fix?

It kind of sounds like one ore more of the buttons are stuck. Any chance something got spilt on them? Try pushing all the buttons repeatedly to see if any feel different or stuck.

Jul 01, 2009 | Philips 170S7FS 17" LCD Monitor

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How to unlock menu in lenovo LCD monitor

Hi :)
I had the same problem and i found the solution .....
Press and hold the menu button on your monitor for 10-15 sec .
Now ..... have fun :)
Rate if was helpful :)

Jun 04, 2009 | Lenovo ThinkVision L151p (Black) 15 inch...

1 Answer

Lenovo monitor

I fund that way how to unlock monitor menu... Press Enter Button and Hold it 1 minute. After that is appearing "Monitor is unlocked" Msg......

Have a nice day... good bye.........

Buddika Chathuranga
Sri Lanka

Mar 02, 2009 | Lenovo Thinkvision 19" LCD Monitor

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