Monitor is putting out a really annoying high tone
A couple of weeks ago, my monitor started randomly (?) putting out a very high 'beep'. Its not like a 'notification beep', but a monotonous long 'beeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeep', at a very high (all through your bones) tone.
Sometimes the beep stops when I switch my browserwindows to a site with a differently colored background (so when its beeping at white, it will stop at black, and v.v.), but sometimes it just goes on all the time.
I have no built in speakers, and the sound definitely doesnt come out of them, as its also there when my speakers are detached completely. I have thought of it being my soundcard, but my pc (not my screen) is on the floor now and i still hear the sound coming out of the monitor's direction, and it stops when i turn my monitor off.
It's a pretty old (5+ yrs) monitor, so maybe thats the problem, but maybe you know what else might be up, and if theres a way for me to fix it. Thanks for you time.
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Sounds like you have a capacitor going bad. All monitors make a noise, whether the human ear can usually hear it or not. If it has gotten rather loud, I'm afraid your monitor is on its last leg. White is a hard color for a monitor, because the electron gun inside has to fire on all pixels, and of course black is easiest because it is just blank.
Some people I've talked to have had temporary relief or prolonged the life of their monitor by keeping it on lower resolution in order to make its job a bit easier. Besides that, there isn't too much you can do.
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In Windows 7 ,Try the Power Options in Control Panel. Set to High Performance, select Change Plan settings, set Sleep to never, select Advanced Power settings, scroll through the Advanced Power settings, set Sleep and Hibernate to Never and Power Buttons and Lid to Shut down. Always shut down and unplug the Laptop when not in use to prevent damage due to a power surge and a possible Fire hazard IF the battery malfunctions. Not to mention unnecessary wear on the components.
click start control panel administrive tools computer management device manager scoll to monitors right click to scan for hardware changes or scroll to monitors + to expand plug and play monitor right click where you have options to update driver,disable.uninstall,scan for hardware changes or select properties where in the general you have the option to troubleshoot also in the driver tab you have the same options as when you first right click on monitor also you might try click start control panel,display,desktop you can select a different desktop from the drop down list also settings you can change the settings for more or less pixels or from the drop down list pick the appropriate level of color range or troubleshoot also select advanced then general dpi normal size,larger size or custom settings always click APPLY after making any changes hope this helps
Can you use it?If you can the internal power supply might be going or the inverter board.One way to confirm this is listen closely to the monitor if you hear a sound almost like tin foil in the wind the internal power supply is going,if not you are good.However If you can go into the menu of the monitor try doing a factory reset.This may fix it.
If the screen is getting dim to the point where you can't read it, it might be due an intermittent backlight. If this monitor is really only three weeks old, you might consider returning it to the store where you purchased it and exchange it.