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Monitors, Displays and Video Cards Discussion Thread
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May 12th, 2005

Re: Flickering screen

Quote originally posted by TallCool1 ...

I'm a monitor repairman (among other things). Let's start wth a few questions:

* Problems vary with brand & model. Please specify.
* Is the monitor a CRT (like a TV) or an LCD (like a laptop)?
* Have you tried the monitor on a different computer?
* Have you tried a different monitor on this computer?
* Is it flickering "in color" or is does it shift in brightness without changing color?
* Does the problem affect the whole screen, or is it visible in bands/streaks?

It's unlikely that a surge caused a problem, but let us know the answers.

I have a problem with a flickering monitor as well.

It's an unnamed monitor, a generic one most probably. My video card is SiS 650. The monitor's an LCD type.

I tried it on another computer, and it's alright there. The flickering is 'in color' as you say. Usually, it's in straight lines that vary in width, and appear randomly around the screen. Though sometimes, the screen is turned into the color of the flicker for a second or two, before reverting back to normal flickering. The color is blue-green for some reason.

I hope you can help me, and it would be better to email me so that I'll receive it right away. Thanks in advance.

Dark Rance

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Jun 7th, 2005

Re: Flickering screen

If it's an LCD screen, the most likely cause its that the flurorescent backlamp is nearing the normal end of its life (in the same way normal fluorescent lamps burn out - by flickering and blinking). A tecnician should be able to replace it.

If it's a CDT screen, the most likely cause is dust on the picture tube shorting the high voltage to ground. Get this fixed as soon as possible, or the high voltage transformer will burn up.

Real-tiner

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Jul 23rd, 2005

Re: Flickering screen

Quote originally posted by TallCool1 ...

I'm a monitor repairman (among other things). Let's start wth a few questions:

* Problems vary with brand & model. Please specify.
* Is the monitor a CRT (like a TV) or an LCD (like a laptop)?
* Have you tried the monitor on a different computer?
* Have you tried a different monitor on this computer?
* Is it flickering "in color" or is does it shift in brightness without changing color?
* Does the problem affect the whole screen, or is it visible in bands/streaks?

It's unlikely that a surge caused a problem, but let us know the answers.

i am having a very similar problem.. my mon is a 17" CRT (Sony A200).. about 3 to 4 yrs old...
i havent tried this mon on a different computer or vice versa...
the flickering happens once in a while.. and it happens on edges of the screen.. u'd see some bright white fuzziness.. or it sorta resizes the screen a bit and then back to normal... hopefully this is fixable.. i really dont have the extra cash for a new mon now.. sighs..

yuukaa

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Dec 19th, 2006

Re: Flickering screen

Hi !
I'm also experiancing flickering issues with my laptop.
When i bend the screen at certain angles it works flawless, but then again on most angles it just flickers. On thing I've noticed is that when theres a dark background, black in particular it flickers even more. I don't think there is an issue with the video card, although i suspect that there might be a cable thats loose.

The computer itself is very new (HP Pavillion dv8000 only 5 months odl) so I don't think that its the backlight thats seen the best of its days yet... Thankful for any help I can get....

Plyometric

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Feb 5th, 2008

Re: Flickering screen

halu... i'm juz going to ask if you also know about this. whenever i use microsoft office, the screen starts blinking... itz causing me a headache. itz ibm thinkpad laptop

singinfish

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Feb 12th, 2008

Re: Flickering screen

hi,

i have a 15" toshiba 5200 series Satellite laptop. the screen flickered and it went black. but there is an outline of the active screen image, but super super faint, but there. it is the inverter that runs the backlight? maybe it is a connection at the lcd or at the inverter (unseated connection)? and how will i know if it is the inverter. i would hate to spend 70 bucks to find out the lcd is toast.

last question: is a 15" lcd screen for a toshiba satellite pro 4600 a suitable/compatible replacement for the 5200 series lcd mentioned above? how can i find out? i have access to one but it will cost me 120 bucks

thank you everyone.
tony

Last edited by tony_sojourner; Feb 12th, 2008 at 4:10 am.

tony_sojourner

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Jul 13th, 2010

Re: Flickering screen

in china,many people have this kind of problems!
beacuse the producter use LG's inferior screen !

sinerjon

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Jul 20th, 2010

Re: Flickering screen

I had flickering screen a while ago. I was able to fix it doing this

1)Right-click on My Computer
2)Select Management. Allow the program to start up
3)Select Device Manager
4)find your video card
5)Right-click and select uninstall
6)allow the computer to reinstall the card automatically
7)If it doesn't work soon, try rebooting your computer.

I was running Vista Business 64x on a 64x dual core AMD 2GB system with an nvidia 6100 video card.
Not sure if this is the same issue as yours, but my problem solved that way.

brclarke

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Aug 30th, 2010

Re: Flickering screen

To manually adjust the refresh rate, click on Start | Settings | Control Panel and double-click the Display icon. Once the applet opens, select the Settings tab and click on Advanced. Select the Monitor tab. A drop-down list of refresh rates will be available here, and, provided you don't exceed the monitor's maximum rate, you can select each of these in turn to find the optimal setting. As a rough guide, refresh rates of 70 Hz to 85 Hz are common. So select the rate in between this.
Try This! Hope this will solve your problem.

Thank You,
Praveen P.

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