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Monitor is flickering

Monitor screen is flickering and or rolling wavelike

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  • tweeko_44 Apr 02, 2009

    at 60hrtz the wave lines shows on my acer lcd even on my television when conected my acer monitor isn't 1 year old when i put it on 75 hrtz witch it sets itself after instaling thedriver the screen flickers .. acer is junk its like 7 months old lcd !! i think its my gforce 7600 and their sly technoligy it sux we got ripped off cuz why in god's name would my tv do it too !

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Make sure you do not have your speakers close to the monitor as the magnets can cause this problem ,also power boards will do the same thing.

if these are not the problem, it maybe that the monitor is on its way out.

good luck
Terry

Posted on Apr 03, 2008

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Display adaptor not found


b> Your display adapter is the component of your computer that allows your monitor to work. On the operating system side of things, this display adapter is controlled by a device driver. If you're having issues with your display adapter (like colors are displaying incorrectly or the screen is flickering), you can fix these problems by rolling back your device driver using the Windows Device Manager.

Open your Control Panel by clicking "Start" and then "Control Panel." Click "System." Click "Device Manager." Scroll down to the "Display Adapter" heading. On a single monitor setup, there will only be one device listed under "Display" adapter. Right-click it and click "Properties." Click the "Driver" tab. Click the "Roll Back Driver" button. This will uninstall your current display adapter driver and reinstall the last version that worked properly. This will fix the issues you were having with the device. Hope this helps

Jan 22, 2013 | Dell PC Desktops

Tip

Flickering LCD/CRT monitor screen or unstable image fix


If the screen flickers, make sure the display settings in Windows match the native resolution and refresh rate for the monitor. You can find the native resolution of a flat panel display in the specifications, in the printed material or on the box that came with the monitor. Some common native resolutions are 800 x 600, 1024 x 768, 1920 x 1080, and 1680 x 1050. To find out more about optimal screen resolutions see my tip on resolutions here.

The most common refresh rate for LCD monitors is 60 Hz. This normally cannot be changed for flat panel displays using Plug and Play settings. However, if you are using special video software to increase or decrease the refresh rate, change the refresh rate to match the default refresh rate specification of the monitor. To find out more about refresh rates see my tip here.

STEP 1
To change the screen resolution and refresh rate settings in Windows, do the following:
- In Windows XP
See my tip on setting up the optimum screen resolution for Windows XP here.

- In Windows Vista
1. Click Start, and then click Control Panel .
2. Find the Appearance and Personalization area, and click Adjust Screen Resolution .
3. Move the slider bar until the screen resolution matches the native resolution.
4. Click Advanced settings, and then click the Monitor tab.
5. Select the Screen refresh rate that matches the default rate for your monitor (if it is not already selected).
6. Click OK, and then click OK again.

If you cannot select the native resolution or the native resolution is unavailable, continue to the next step to update the drivers for the graphics adapter on the computer.

You can get the latest updated video drivers from the video hardware manufacturer's Web site. Here is a list showing some of the video hardware websites:

Check for NVIDIA video driver updates at NVIDIA Home Page.
Check for ATI/AMD video driver updates at ATI Home Page.
Check for Intel video support and downloads, Intel Downloads.

After updating the video drivers, go back to Step 1 and try to change the screen resolution again.
Note: If you cannot select the native resolution after updating the video drivers, the graphics adapter in the computer might not support that resolution and may need to be upgraded.

If after changing the resolution and updating video drivers the flickering persists then check the video cable connections. Unplug the cable and inspect the cable for damage. If the cable is damaged, replace it with a new cable. Try to use cables less than 3 meters (10 feet) long.

Monitors are sensitive to magnetic fields so have a look at the environment around the monitor. Speakers, florescent lights, fans, cell phones, radios, and any other electrical device can cause flickering. Temporarily move electrical items away from the monitor to see if they is producing a field that causes the flicker.

If the monitor has more than one type of connection available such as VGA, DVI, or HDMI, try a different type of connection.

To see if the video coming from the computer is causing the problem, temporarily connect the monitor to another computer. If the flicker is gone when the monitor is connected to another computer, the graphics adapter hardware on the first computer might need to be upgraded to use the monitor.

If however the flicker remains then the problem lies within the harware of the monitor itself and is not a software problem. If you have bought this monitor fairly recently then I suggest you take it back to the place of purchace and have them test it. Some monitors carry 3 year warranty support so if you bought it within the warranty period specified by the reseller I suggest you see if you can get refunded or have them swop it out.

on Jun 08, 2011 | PC Desktops

1 Answer

Dell desktop monitor screen flickers.


The monitor is about to go bad. Replace it. Borrow a monitor from a family member, neighbor or friend just to see if the flickering stops. If it does stop your monitor is bad. If the borrowed monitor flickers, you will need to replace your Video Card in the computer.

May 01, 2012 | Dell PC Desktops

1 Answer

Desktop monitor flickering


The monitor is about to go bad. Replace it. Borrow a monitor from a family member, neighbor or friend just to see if the flickering stops. If it does stop your monitor is bad. If the borrowed monitor flickers, you will need to replace your Video Card in the computer.

May 01, 2012 | Dell PC Desktops

1 Answer

I have a 21 inch crt Monitor. It works fine in all other rooms except mine. In my room the display rolls upwards from the instant it is switched on. Please guide me as to what is causing this vertical...


This is usually caused by electrostatic affect from the environment. Make sure there's no other objects like Speaker (woofer) beside the monitor, below or above, behind or front. Try by turning it to different direction. I hope this will solve your problem. Good luck..

May 14, 2010 | PC Desktops

1 Answer

I have a 21 inch CRT Monitor. It works fine in all other rooms except mine. In my room, the display rolls upwards from the instant it is switched on. Please guide me as to what is causing this vertical...


its the Hz it is set on the "refresh rate" it is likely you have in all other rooms except yours teh same kind of lighting and in this one room it likely has the same Hz lighting as your crt monitor set it above 60hz and you should be fine.

Mar 25, 2010 | PC Desktops

2 Answers

My screen below the taskbar keeps on flickering


that sounds like a either a monitor issue or video card issue. in most cases, if it is a video card, you wouldn't see the image on the screen. I would try the monitor, if you had it for quite a while, it is possible that the monitor is going bad.

I know it is not software problem.

Oct 17, 2009 | HP Pavilion a705w PC Desktop

2 Answers

No power light and flickering screen


try to replace the cables first. if it that doesnt help then replace the monitor.

Sep 25, 2008 | Dell Dimension 2400 PC Desktop

1 Answer

Flickering screen on Flatroon L1718S


it sounds like a problem with the monitors picture tube or something.......get a technician to have a look at it, immediately

Aug 13, 2008 | PC Desktops

1 Answer

Screen flicker


if you test it with another monitor did it flicker? if not your monitor has a problem. if it still flicker the problem will be pointed to the video card. try to replace the video card.

Aug 03, 2008 | Acer Aspire L100 PC Desktop

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