T510 DISPLAY Issue: Intermittent high Contrast/Brightness

Hi folks - This is my first Lenovo forum submission and I will do my best to describe the problem with my laptops' video/display. I'm all ears for your suggestions.
*Issue*
The display would occassionally dip down in brightness/contrast then change up to a very HIGH contrast level on its own. The desktop icons, background image & browser images become un-sightly bright BEYOND your normal Lenovo Power Manager settings. All the white hues turn even brighter, and some hues are NOT viewable at all on certain backdrops. Usually, it resolves itself after several minutes.Then it's business as usual.
I do not believe it has anything to do with the Power Manager settings (e.g. Idle Time, brightness control, Battery vs AC power, etc.). It simply occurs on it's own then disappears. A reboot can help and so does closing the lid and re-logging into Windows. But who wants to practice that technique after paying over $1600 for a professional grade business laptop?
I found only ONE forum message that came close to reporting the problem, found in the body of a message and NOT as a subject (SEARCH: "screen image fades as if you lose contrast")
Frequency ? - Atleast 4 times a month for the past 3-4 months since my purchase in summer 2010.
OS: Windows 7 (64 bit)
CPU: i5-540M 2.53GHZ
RAM: 4 GB
Laptop model: T-510
Laptop Product ID: 4313CTO
Graphics: 15.6 HD+
Battery: 6-cell
Purchase date: summer 2010
Solved!
Go to Solution.

http://forums.lenovo.com/t5/T400-T500-and-newer-T-series/T410-Screen-flickering-randomly-screen-cont...
W520: i7-2720QM, Q2000M at 1080/688/1376, 21GB RAM, 500GB + 750GB HDD, FHD screen
X61T: L7500, 3GB RAM, 500GB HDD, XGA screen, Ultrabase
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Moderator Note: Edited subject to match content.

technoone wrote:
" but it seems an awful lot like that subject line was changed to, well, make sure less people would click through and read your post.".
I'd like to give you the benefit of the doubt on this one, there is a message at the top of the forum stating:
"Welcome to Lenovo's Discussion Community! Please note our guidelines when posting."
if you read the Forum Guidelines it states quite clearly;
Title threads appropriately
. The title of a thread should accurately reflect the subject of the discussion and be as technically specific as possible. Avoid inflammatory or emotional statements that do not aid the development of the conversation. Thread titles are indexed not only for search functions within the forum, but often externally in Google, Yahoo, etc. Proper thread titles will aid the active members of the Lenovo community, as well as non-members who may be searching more broadly. Example of a good thread title: T Thinkpad Blue Screens after suspend . Example of a bad thread title: Stupid computer locks up - worthless piece of junk. Moderators may alter thread titles to be more meaningful if less than appropriate titles are chosen.
I'm certain the edited title represents the actual real hardware problem at hand better than the original because it's more descriptive and accurate and will therefore attract the attention of the members who have experienced the same or similar situations to comment and offer advice based on their experience.
Please do take time to read our guidelines as I'm sure you'll find some other helpful and informative tips in them.
Regards
Andy ______________________________________
Please remember to come back and mark the post that you feel solved your question as the solution, it earns the member + points
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conroy wrote:
Yes, that's the same. Maybe I'm oversensitive to stabs in the retina.
Like that white background in your screen grab composite?
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Just for completeness I should note that the leftmost two screen grabs in my image above were made on Windows 8, while the right ones were on Windows 7. I'm not sure that affects the results, but it might (and it also explains why there was a different background showing around the panels).
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T510 DISPLAY Issue: Intermittent high Contrast/Brightness

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