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Flickering screen on Flatroon L1718S

The screen on my monitor strated flickering two days ago. I have checked all the cord-connections. They are all o.k. What could be the problem?

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

Posted on Aug 13, 2008

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Monitor is flickering


HDMI has the tendency to flicker on cheaper cables that don't have a strong connection. Try a different cable and see if it helps.

Sep 18, 2012 | E-Machines 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

This is a new monitor, had it running 2 days, screen started flickering on/off every 8 seconds, then it went dead. All connections were tight. I just plugged in a old monitor to get on line since I am...


The monitor you just bought died - hardware failure. Take it back to the one from which you bought it and either replace it or get your money back.

May 27, 2011 | Samsung PC Desktops

1 Answer

The screen flick when connected to Samsing Sync


Hello there!

Screen flickering can be caused by instability of cable you are using, or it can be also caused by difference between power input, so check your power plug ,where your monitor and pc are plugged, make sure they are ok for your region, and check those cabels. Also check settings on monitor for what input you are using DVI or VGA or both at the same time.

Sinecerly
Aleksandar Adzic

Apr 16, 2010 | PC Desktops

1 Answer

Hi my ho nx9005 laptop screen keeps flickering


you have a problem with your flat it is a cable connecting the monitor to the notebook itself and may be damaged or not fixed in it's place

Oct 26, 2009 | HP PC Desktops

1 Answer

PC won't turn on, blue light flickering, green light flickering


check your monitor's connection, its power and VGA connection to cpu, the cpu may be good but you just see black screen bec. your monitor remained off. please bring it to HP service center for more help

Oct 18, 2009 | HP Pavilion a410n (DQ174A#ABA) PC Desktop

1 Answer

a


You could have a defective screen - a defective inverter or a CCFL lamp.
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:

  • Screen flashs on red/pink and off.
  • Picture stays on in red and slowly be come normal.
  • Picture flickering with dim display.
  • Picture flickering on and off.
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info

Apr 21, 2009 | PC Desktops

1 Answer

Monitor is flickering


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

Apr 02, 2008 | PC Desktops

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