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Noisy sound from monitor

Hi my LG desktop monitor is giving me a noisy sound when it is plugged to external tv tunner card.it will start making noise after 10-15min of play.my monitor model no. is LG 500G 15"inch ctv.hope u will get bak me with solution for this

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Go through your menu settings on the front of your monitor and see if your able to change your display timings. Also go in to your display settings and change the hrs.

Posted on Feb 18, 2008

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No Sound LGW234T-PF


The LG W2343T does not have speakers. So you can't plug in a 3.5 mm audio patch cable between the computer's line out or headphone jack and the monitor. (Similarly, other devices can't provide sound to the monitor.)

Are you using a desktop or a laptop? If you have a laptop, make sure that the correct audio drivers are loaded for your OS and make sure that the audio isn't muted (look in the lower right on a Windows system in the tray for the speaker icon). On an HP laptop, we had to use the Component Services (Control Panel > System and Security > Administrative tools > Component Services > Services in Windows 7) and stop all audio services and restart them. Then reboot the computer to use the internal speakers at a reasonable volume.

For any unit with external speakers (required for a desktop, optional for a laptop) , connect the speakers to the audio out port (green for 3.5 mm for single connection speakers, see the manual for other speakers) or the headset port. Next make sure that the device drivers are loaded and correct for your sound card (or motherboard audio). (Control Panel > Hardware and Sound > Device Manager). If your sound isn't active, look at the Sound header. Then choose Manage Audio Devices and the Playback tab to select the desired speaker option. (Again these are for Windows 7).

If you still have no audio, make sure that the speakers have power (USB cord or AC adapter plugged in depending on the speakers). If it is USB powered, try a different port or a powered hub. If you have an AC adapter, check if it is warm. Some speakers have power/volume knobs. So check if they are on (if there is an LED, that is an easy check). If still no audio, try a different audio patch cable, if possible. Otherwise, try different speakers. There may be a damaged wire preventing the speakers from working. Depending on the problem and if your speakers are under warranty, it may be worth fixing or not.

Documentation for the monitor is available here: http://www.lg.com/us/computer-products/monitors/LG-lcd-monitor-W2343T-PF.jsp . Click on the Support tab.

If you want to use a stereo receiver with RCA audio inputs, you'll need an adapter or a 3.5 mm to RCA m/m audio cable.

I hope this helps.

CIndy Wells

Oct 21, 2011 | LG W2343T-PF Monitor

2 Answers

I connected my LG 22LD350 to my hard drive, and both the sound and picture work, after I selected "RGB-PC" on the monitor. But I don't see a connection anywhere on the TV for my keyboard and...


Hi bpollen,
you will use the computer for {GUI} Graphics User Interface!
The TV is a "secondary visual device, or monitor"
The TV "cannot give instructions or commands."
"You not be able to "tranfer information from the TV.
You will use the "Computer for [Input and Output] transmissions.
The "Keyboard and Mouse" stay 'connected to the computer!"
You will "control all functions for the TV; by using the computer."
"I hope this information solved some issues?"
!"Take a moment to rate the help."

Thank you! paul7of9

Mar 18, 2011 | Computer Monitors

1 Answer

My son has an LG W2234S monitor with his desktop computer. when you start up the computer the monitor just says power save mode and the screen then goes black. We have tried attaching the monitor to my...


If this monitor works with your lap top or the other PC (not your son's PC). Then your son PC video card may not be sending out the video signal so the monitor goes into power save mode.
Did you try another monitor with your son's PC yet?
Does the PC has plug in video card or it is integrated with the mother board, you can also try reseating the card and the RAM.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Dec 29, 2010 | LG Computer Monitors

1 Answer

My view sonic monitor has no sound


Troubleshooting Sound Issues Verify that the audio cable is connected to the AUDIO OUT or LINE OUT output on the Sound Card and plugged into the AUDIO IN or LINE IN of the Monitor.   Make sure there are no cables connected to the Headphone Jack (located next to the AUDIO IN port) on the monitor. If there is, please disconnect that cable and try the speakers again. Connecting a cable to the Headphone Jack disables the speakers. If there is no cable connected into the Headphone Jack, test a pair of headphones into that jack to see if you can hear sound out of the headphones. If you are able to hear sound out of the headphones, disconnect the headphones and try the speakers again.   Verify that the Mute on the monitor is not on or the Volume is not turned down.    Verify that the Mute on the computer is not on or the Volume is not turned down.<    If there is still no audio from the monitor's speakers, connect the Audio cable to another audio source like a portable CD player or tape player headphone output. If audio can be heard through the monitor's speakers, then there may be an issue with the computers sound card.    Connect another set of computer speakers (if available) or headphones to the AUDIO OUT or LINE OUT output on the Sound Card. If NO audio can be heard then there is an issue with the sound card. Verify with the computer's manufacturer for additional assistance.   LCD TVs Troubleshooting No Sound from a LCD TV No Sound when using RGB (when connected to a PC) Confirm the audio cable is plugged into the Audio in on the LCD TV and the audio out on the computer. Note: On the N1700W use the GREEN mini-jack; on this model Audio is SHARED between DVI and RGB, there is only 1 audio channel for data connections. The N1700w is designed to take a 1.0v RMS audio signal for optimal sound quality.   Confirm that both the LCD TV Mute and Windows Mute are off. A general message will be displayed on screen to indicate status of Mute (On or Off).   Press the Volume Up Button on the monitor or remote to confirm the Volume is not set to zero.   Confirm that PC volume is sufficient by using Windows/Macintosh Volume adjustment settings.   Try plugging another audio source such as a CD or Cassette Player directly into the Audio port on the LCD TV to confirm the speakers work, or try plugging headphones or external speakers into the sound card on the Computer. If the Headphones or External Speakers do not work, contact the manufacturer of your Computer for further support. No Sound when using S-Video/Composite/ Component Video Confirm the audio cable is plugged into the Audio in on the LCD TV and the audio out on the S-Video, Composite, or Component Video device.   Confirm Mute is off. A general message will be displayed on screen to indicate status of Mute (On or Off).   Press the Volume Up Button on the LCD TV or Remote to confirm the Volume is not set to zero.   Try plugging headphones or external speakers into the audio port on the S-Video, Composite, or Component Video device. If the Headphones or External Speakers do not work, contact the manufacturer of your S-Video, Composite, or Component Video device.   Note: Some ViewSonic monitors do not include speakers.

Nov 23, 2010 | ViewSonic E70f 17" CRT Monitor

1 Answer

HI I have used LG Flatron L1915S computer monitor. When I plug it into my laptop, it blinks showing the laptop desktop for less than a second then goes black. Other monitors works fine when I plug them...


There is often a function monitor key on the laptop, located near the F7 key area, the icon looks like a monitor on|off and is typically in blue. this key is to be used in combination with the Fn key to enable, disable the external monitor or enable both monitors or just the laptop. Press the key combination until your laptop panel lights up while the monitor is plugged in. Now check your extenal monitor refresh rate and resolution slider settings by right clicking on your desktop go to properties / video settings. (please note monitor settings are under advanced). You should see two monitors in there now. use "identify" button so you know which one to work with. on the external monitor settings, decrease (slide left the slider all the way). If you can set the monitor refresh to 60Htz. Lastly take a flashlight and check if you can see a shadow of your screen on the external monitor, if you can that means the backlight is not working and likely needs the inverter replaced. Hope that helps ! Cheers

Aug 30, 2010 | LG L1915S 19" LCD Monitor

1 Answer

I have a samsung lcd monitor , i want to use it as a tv which tv tunner card would be better external or internal and which brand thanks


These are the best brands so far that I have encountered.

Avermedia AVerTV DVI Box TV Tuner / Video Input Adapter
or the
Leadtek TV Pro 1680 tv box tuner

Apr 28, 2010 | Samsung SyncMaster 2233BW 22" LCD Monitor

1 Answer

The volume is too low on my computer speakers


Hi, Mark Here, see I can help.

The 1907 does not amplify your sound it will let you control the volume to some degree but not boost the incoming sound.

If you had amplified speakers b4 your sound card requires amplified speakers.

Best two options i can give is.
  1. If it is a desktop you can install a amplified sound card. Hook to monitor speaker.
  2. Unplug monitor speaker &use amplified speakers.
Just so you know laptops use internal amplified speakers. If you decide to install sound card make sure it is an amplified card.

Hope that fixed ya! know not the best news. Need more help comment back. Please Rate.
Good Luck!

Mar 28, 2009 | HP w1907 LCD Monitor

1 Answer

TV TUner external not starting up


Safe mode
Power saving off
restart normally

Jan 30, 2009 | LG Flatron L1951S-SN 19" LCD Flat Panel...

1 Answer

Samsung 240t


u have to buy a tv tunner card its come intrnal & external just buy and connct to your monitor & enjoy tv in a monitor

Mar 06, 2008 | Samsung SyncMaster 240 T 24.1" Flat Panel...

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