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Posts: 130
Registered: ‎09-07-2010
Location: PA, USA
Views: 2,587
Message 1 of 4

T500 (2082)- Display problem - No Display on laptop or external.



The laptop has had some display issues for a few months.  An external monitor through DisplayPort has always been the way I have viewed content.


A few months ago, I tried to view the laptop's screen, and noticed that I could not get it to be viewable.  It was blank.  Disconnecting the external monitor, and restarting, had no effect.
Since then, the internal screen has always been blank, whenever I have checked.

Additionally, issues started to occur intermittently, with the external monitor signal.
-The screen resolution would change upon start-up, and sometimes it would change after start-up. 
-The screen would blink to blank whenever the mouse wheel scrolled.

-The monitor would have pixels sparkle in multi-color  (nice glitch for the holidays)


Today, the external monitor stopped showing any content.  It simply gives the message of going into energy saving mode.   I am assuming that the issue is within the laptop, as opposed to the monitor itself, since the internal screen has been non-functional for a few months now.



What would be the best route for troubleshooting?

I notice there is noticable dust build-up around the  venting areas, and was considering disassembling in order to fully clean out any dust.


Are there any known issues with the video in this model?

Retired Support Specialist
Posts: 1,291
Registered: ‎12-06-2012
Location: Raleigh, NC
Views: 2,613
Message 2 of 4

Re: T500 (2082)- Display problem - No Display on laptop or external.

Hi, mouserU


What is your operating system? I looked up the Personal Systems Reference for the T500 (2082) (seen here). When you navigate to that page, you can find your machine faster by searching (Ctrl + F) for "T500 2082." In Windows VIsta, this computer had the ability to do switchable graphics from the discrete card to the integrated and vice-versa. I'm not sure whether this ability has carried over through other OSes without aid of a driver (seen here.)


As for troubleshooting, I would first recommend seeing if you can boot the machine by means of another port on the machine, such as VGA, to see if you can get an image over to an external monitor. Not being able to see an image is most likely an indication of a bad video card. One last question for clarification: You can see nothing, not even BIOS, on either screen, correct?




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lead_org Microsoft MVP Contributor
Microsoft MVP Contributor
Posts: 21,009
Registered: ‎12-19-2008
Location: Australia, Melbourne
Views: 2,545
Message 3 of 4

Re: T500 (2082)- Display problem - No Display on laptop or external.

Does your machine have ATI GPU?

Jin Li

May this year, be the year of 'DO'!

I am a volunteer, and not a paid staff of Lenovo or Microsoft
Posts: 130
Registered: ‎09-07-2010
Location: PA, USA
Views: 2,482
Message 4 of 4

Re: T500 (2082)- Display problem - No Display on laptop or external.

Thank you, it seems to resolved itself.  The laptop screen functions, and the external monitior.  Thanks for info and ideas..

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