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Screen flicker toshiba

Screen flickers may or may not go dark (blank). After shutting down and restarting I could get into the bios (F2 key ) and changed the default value for monitor screen type from auto to LCD. Screen stayed on but still had flicker. Kept feeling that it would go dark again. Changed the refresh rate from the default value of 59 hertz to 60 hertz (the only other value available on the drop down list). Screen still had flicker - no change. The laptop is about 3 years old. Used daily, never dropped, always used an auxiliary cooling fan. Any suggestions as to cause or fix? Thanks Mike

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Sounds like you need to think about buying another laptop. Or replacing the LCD screen. Search ebay or amazon for screens.

Posted on Dec 03, 2012


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SOURCE: laptop screen

Sounds like the switch that tells the cpu when it's open or closed is going bad. On most laptops there is a little switch that protrudes from your keyboard (usually in upper corners). Try cleaning it with isopropyl alchol(rubbing alchol) and a q-tip and see what happens. If you can't locate the switch on your model get back to me and i'll research a little deeper for you. Hope this helps

Posted on Sep 14, 2007

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SOURCE: Flickering Screen

1. Access the System Settings menu
2. From there, select the CONTROL PANELS folder.
3. Double click on the DISPLAY icon in your Control Panel.
4. Click on the SETTINGS tab.
5. Click on the ADVANCED button.
6. Click on the ADAPTER tab Select the preferred refresh rate in the drop down box.

Posted on Jul 07, 2008

  • 788 Answers

SOURCE: Same Problem, No apparent reason, Screen flickers, goes out

You may want to rule out a loose connection.
Move the laptop screen back and forth and see if you notice any flickering.
This does not sound like a software issue, so we can rule that out.
If you have a consistant brightness on the display, we can rule out the backlight.
Their are two connection points on the display monitor, one is just under the power button and the other is behind the LCD screen.
I was going to suggust plugging into a external monitor but can't really see any outcome in that.
It may be a inverter problem, that is located inside the LCD, just behind the HP square design. You will find a input and output.
If any of these connections have come loose, that would cause the flickering.
If the backlight is consistant in value, you can rule out the lnverter.
If the unit has been dropped, it can be any of the above.
With the 20 min. to 6 hours useage, I would go with the inverter. If after the unit cools down for a few minutes, it works again, its the inverter.
Hpoe this mess of info has helped.

Posted on Aug 27, 2009

  • 103 Answers

SOURCE: monitor flickering

hi tim, get the latest drivers here :

o/s is abbreviated for operating system = windows

kind regards

Posted on Jan 17, 2010

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SOURCE: Thinkpad T30 - LCD Not working

I dropped my laptop and screen was verry hard to see unless u shined a bright light at it. the inverter just under the lcd screen happened to come unpluged. I dont know if i was just lucky or if this has happened to more people. I hope this helps some one else.

Posted on Dec 30, 2011

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Welcome to fixya.
First you have to reboot the pc to bios to see if you have the same flickering green lines. So you have to restart your laptop and keep on tapping f2 to get to the BOS. If you have the same flickering on bios then you have to replace your LCD screen. If not. then you can go windows and uninstall and reinstall the video driver.. If you get the same results. lower your resolution. and your refresh rate.
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If it would be a video card driver problem, you could still fix it, but if would be the video card itself, then you need to replace it.

Here what you can try.

- If you have an external monitor, connect it to your laptop. Observe if you will get the same flickering screen.
- If yes, download and install an updated video card driver from Toshiba website. Make sure that it is compatible for your Operating System (Linux, XP, Vista or Windows 7) and system model.
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- If you don't have any external monitor, go to the BIOS setup (either pressing F2..(it depends on what key was designed for it) the manufacturer's logo). If the screen will flicker at the BIOS setup screen, consult a professional technician to help you check LCD components.

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