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flashing bar on laptop screen


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6 replies to this topic

#1 techchallenge

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Posted 13 December 2013 - 11:27 AM

I have a bar that constantly flashes in the center of my screen. I have shut down and restarted pc several times, this does not change anything.



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#2 Roodo

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Posted 13 December 2013 - 11:59 AM

make and model of machine and horizontal or vertical?

try tapping the f8 key on boot and boot in safe mode or use a lower resolution
does this help?

#3 dc3

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Posted 13 December 2013 - 12:42 PM

When you boot into Safe Mode the computer is using a limited number of drivers and system files.  The graphics driver used in normal mode is replace in Safe Mode with a native Windows driver.  If the lines do not reappear in Safe Mode then your problem is most likely a graphics driver.

 

Please download and install Speccy to provide us with information about your computer.  When the  FileHippo website opens, click on Download latest version in the upper left pane.
 
When Speccy opens you will see a screen similar to the one below.
 
speccy9_zps2d9cdedc.png
 
Click on File which is outlined in red in the screen above, and then click on Publish Snapshot.
 
The following screen will appear, click on Yes.
 
speccy7_zpsfa02105f.png
 
The following screen will appear, click on Copy to Clipboard.
 
speccy3_zps1791b093.png
 
In your next post right click inside the Reply to Topic box, then click on Paste.  This will load a link to the Speccy log.

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#4 ChelseaWoolf

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Posted 14 December 2013 - 12:57 PM

it depends on the computer but you need a new screen anywhere from 100-400 depending on quality and size



#5 techchallenge

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Posted 15 December 2013 - 09:18 AM

Thanks Roodo!! restarted in safe mode bar is gone!



#6 Roodo

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Posted 15 December 2013 - 10:11 AM

Now Id try and either update or roll back your video driver to see if that works
Roll back if the issue was caused by an update.

If that fails then the video card is probably faulty a needs replacement. If
its an internal video, well.. time to get a card.

Good Luck!

If you need direction on how to do that well be happy to help.

#7 dc3

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Posted 15 December 2013 - 11:13 AM

Safe Mode uses the least amount of drivers and files to boot Windows.  The graphics driver used in Safe Mode is not the graphics driver used in normal mode, it is a native Windows driver, this is why the picture resolution looks off.  

 

Since the problem doesn't persist in Safe Mode it is fairly obvious that the problem is a driver. not the graphics card.

 

Please go back to post #3 and supply me with the requested information.  With this I can provide you with a link to download new graphics drivers.


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