Hardy Heron causes HP-9000 series laptop LCD Display to "Burn" during Shutdown or Reboot

[Harry Wert]

Harry Wert wrote:
> Mike Bird wrote:
>> On Wed May 21 2008 16:54:15 Harry Wert wrote:
>>> Does anyone have the problem of Hardy Heron causing HP-9000 series
>>> laptop(s) Display to "Burn" during Shutdown or Reboot?  Or any other
>>> Laptop for that matter. Everything works normally otherwise and I am
>>> extremely satisfied with Ubuntu's updated distribution.
>>>
>>> My concern is although the Laptop Suspends, Hibernates,
>>> Restarts(reboot), and Shutdown all create the desired operator response
>>> , the somewhat "garish" overdriven display may be eventually destroyed.
>>>   I have checked Archives and Google'd myself to death, but have found
>>> no "hits". For those old enough to remember a CRT Display, the effect is
>>> very similar to turning the brightness way too high.
>>
>> Harry,
>>
>> Is the flurescent behind the LCD being turned up beyond the normal
>> brightness level?  In other words, is the "overdriven display"
>> brighter than normal white?
>>
>> --Mike
>>
> 
> I think I failed to correctly state the problem. Allow me to try again:
> 
> Until I exercise any of the options such as Shutdown or Reboot, the 
> Display is perfect; ie, correct Brightness and Contrast with excellent 
> resolution.
> 
> The Display only exhibits the Burning/CRT Blooming affect when the 
> Shutdown or Restart option is selected and the selected process is 
> initiated.
> 
> Sorry for the confusion.
> 
> Harry Wert
> Physicist
> 
> 
Answering my own post. Another clue: Turning OFF 3D for the Nvidia 6150 
graphics card makes the problem go away.  Will post back if I can find 
out why, and provide a "fix". Obviously, 3D programs are without 
acceleration.

Harry Wert
Physicist