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Re: Screen goes white
Hi this is the way how to
examine what's wrong with your LCD monitors. After you turned it on and the
screen went white, you have to check that if you can see the image on the
screen or not by shining a flashlight into the screen, not directly but find
the best angle to the screen and take a look very closely. If you can see the
icons or any image, there will be a minor problem. This is because of the lamps
inside screen. Some of them were broken and it is very easy to replace. If you
cannot see anything on the screen, there'll be some problems with inverter
board. If you have soldering tool and want to fix it by
yourself, check the caps first. It may cause this problem. Some caps might show
leaking or burn spot on the board because of too high temp. If you don't have
soldering tool, you better go get a technician to do so. Hope this help!! If
anything I can help you with, feel free to let me know. Thank you,
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If you have adjusted the power settings to HIGH PERFORMACE and ajusted the ADVANCED Power settings to NEVER, Sleep, Hibernate, Dim, etc., etc. Have you updated the Graphics drivers? Lonovo support: http://support.lenovo.com/en_US/research/hints-or-tips/detail.page?DocID=HT072893. Is ther a set time it goes white, say 10, 20, 30 mins.? What is your Screen Saver Time? Found in Display Settings or in Win 7 Personalize. I don't know your OS, Win. Vista, 7?
I see this problem a lot, in most cases it is a problem with the ACPI driver. The easiest solution is to make changes to the Power Management settings. What happens is part of the computer goes to sleep and part goes into hibernate. Unless I am trying to conserve battery power I set the system to always on and use the screen saver to protect the screen from damage. If I am looking to save battery then I still set the screen to always on with the black screen saver and set the rest of the settings to sleep with no Hibernate settings. Hibernation is nice but really does nothing more than write data to the hard drive so the system can restart and you do not save anytime allowing it to operate. It causes more problem in configurations than it solves. In fact the only machine I might consider using a Hibernate setting on would be a server.
Check that hibernation mode is not on, that screen saver is not set, or that monitor is not set to power off in a short amount of time. You can go to control panel, display, and adjust from here under screen saver settings and power options.
Perhaps your computer is hibernating instead of going into standby which takes a little longer to wake up from. While you are playing plugs and cables it give it enough time to come out of hibernation.
When the computer is in this mode the USB ports turn off which disables keyboard and mouse so the only way to wake up the computer is to press the power button on the computer itself.
One tell tale sign a computer is in hibernation is that the power light on the computer will slowly blink.
it sounds like your most likely having trouble with the hibernate feature try this
start>>control panel>>power options>> click on the hibernate tab un check enable hibernate mode
this should fix your issue
It is probably a setting in windows that is your problem.
Try This, Right click your screen and select properties,select the screen saver tab, then select the power button. If you don't want power saving highlight never for the monitor and hard disk. Then go to the hibernation tab and disable hibernation.click ok to all screens to back out. Hope this helps.
right click on your desk top then left click on 'properties' in the white box that appears.
this will bring up a 'display properties' box which should have a tab headed 'screen saver' amongst others.
select the screen saver tab.
in this tab there are 2 sections. one to select which screen saver you want to use (and what settings are applied to it), and another section which should be called 'monitor power'.
click the button here which says 'power...' to adjust your power settings.
in the next window there are 4 tabs. select the first tab (power schemes - which should be already selected by default) and you now have 4 options. leave the selected 'power scheme' in the top of the window as it is and just alter the settings for the selected power scheme.
your 4 options are: 'turn off monitor', 'turn off hard disks', 'system standby' and 'system hibernates' i would recommend setting all of these to 'never', and don't forget to click the 'apply' button after you've done this.
i would also recommend disableing hibernation in the 'hibernate' tab (this is in the same window as the power schemes tab).
once you've adjusted your power settings, don't forget to activate one of your screen savers. this is only important if you leave the monitor on for a long time with no changes taking place in terms of what is being displayed. if you leave a static image on for hours you will end up with permanent screen burn. (a ghost image that is always there - even when the monitor isn't switched on!).
i don't bother with screen savers personally as i find them annoying, and find it much easier to simply turn the monitor off whenever i'm not going to be using it for the next hour or more.
hope that solved your problem. apologies if it doesn't.
by the way, the tabs etc i described are what i have on my OS (windows XP pro) and may be named differently if you're using a different version of windows. the 'power options' settings will still be accessible via 'screen saver' tab in desktop properties though.