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2 Posts

02-01-2013

Chapel Hill

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T400 win Win7 ultimate display randomly blinks or goes dark

2013-02-01, 18:59 PM

I have T400 with Win7 ultimate. When I boot normally the display may work fine from 1 min to several hours without a glitch before it starts to blink, flashing horizontal white lines or going completely dark.  If I keep it on, occcasionaly the display may recover after 30-60 min and appears to be working fine.

 

When I boot in a safe mode, display works OK without such problems.

 

What is causing it and how can I fix it?

 

Thanks.

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296 Posts

02-01-2012

Inda

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Re: T400 win Win7 ultimate display randomly blinks or goes dark

2013-02-04, 5:28 AM

Hi

 

Thanks for the post.

 

As per your concern this issue might be occurs due to drivers or settings.

 

To diagnose, I would suggest you to please update the Graphics driver and Bios of your system from the below mentioned web link.

 

http://support.lenovo.com/en_US/downloads/default.page?

 

After this, please restart the system and check if the issue resolved.

 

Regards,

Sameer 


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