Re: Suddenly Display becomes darker and mouse and keyboard dont repsond anymore,...

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance


"Tim Roberts" <timr@xxxxxxxxx> wrote in message
news:819vk3dtn2boba41u2aafao9nh2nrvkkk4@xxxxxxxxxx
"Kerem Gümrükcü" <kareem114@xxxxxxxxxxx> wrote:

this question seems to be very strange, especially when it comes
form a developer, but i have to ask this here. Today i encountered
a very strange thing the first time on my system and before i will go
too far and say that my notebooks hardware is about to pass i want
to ask this here whether this is some sort of key combination that
makes the os behave like that. Scenario: While typing, my windows
xp's (pro) Desktop didnt respond and the LCD from my notebook
looses its brightness and the keyboard and mouse do not respond
anymore. You can see everything right clear on the desktop, still
working, but no user input is passed to the desktop anylonger. It
looks exactly like the UAC Desktop on Vista: You can see everything
running there but it is darker and less bright, like grayed, as said
like the UAC from Vista.

Due to the fact that i reall do write very fast, i cant remember my
last keycombination. Beleive me, i did a "backtrack" in my brain
but i couldnt figure out what i've pressed. I cant remember that
i have some sort of function (FN) key combination that goes this
way. So i am really suprised when i got this the first time four
hours ago,...and the second time 20 minutes ago. There is no
other way except in rebooting the system with reset key.

That sounds almost like your machine is going into "suspend" mode. The
LCD
backlight is shutting off, but the display is not being cleared. Some
laptops have a little microswitch that detects when you close the lid and
triggers suspend; it is possible, I suppose, that your switch is going bad
and gets triggered by motion.

Or battery sensing low, or any number of other things that could cause
suspend.

Attaching kernel windbg should be able to verify if suspend mode is being
activated I should think.

--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.


.

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