Sometimes, when I'm just opening my laptop lid after a period of inactivity, after seeing the loading screen for post-hibernation wake-up, the screen simply turns black.
I can still hear the CPU and the hard drive, and if I press a variety of buttons, I get the error sounds, but the monitor won't reveal anything, and remains black.
This problem seems to be irrespective of battery charge percentage, and on occasion, the monitor will turn off while the computer is still in use.
I have adjusted my power settings so that the monitor is never off, but still, I get these screen failures.
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Re: Monitor Turns off
Have you turned off the hibernation?, that would be your first priority.
Check the settings again to make certain in the Power configuation has been set to never for all settings for both power abd battery for the time being use them and then try again?
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Connectthe power adapter to the power jack on the side of the laptop. Plug thepower adapter into the wall. Confirm the power cable is secured to thepower adapter.
Openthe lid to the laptop. Move or touch the mouse, tap the keyboard, orpress the power button to attempt to wake the computer from hibernationor sleep. Wait at least 30 seconds.
Click "Start." Click "Control Panel." Type "power" into the search field. Choose "Power options" from the results.
Select "Choose when to turn off the display" from the left pane. Click the drop-down menus next to "Turn off the display."
Select a time to turn off the display after a period of inactivity. Click "Never" to keep the display on at all times.
Clickthe drop-down menus next to "Put the computer to sleep." Select a timefrom the options, or click "Never" to prevent the computer fromentering sleep mode. Click "Save changes."
Tips & Warnings
Ifyou own a Toshiba A210, A215 or P205D model laptop, you may need toupdate the BIOS. Go to the "Support" page on the manufacturer'swebsite, enter your computer's information and click "SupportBulletins." Review the documents for any notifications related to theBIOS or display.
Some laptops come with a "Hibernate" or "Sleep" button which wake the PC from hibernation.
Goto your computer manufacturer's website and review your laptop's onlinemanual for more information on waking your computer from hibernation.
please comment on this post stating how it help you with your laptops
There are different ways that work, try and see what works for yours. Sometimes all you have to do is hit the space bar, press the enter key, hit any key, close the lid and open the lid and some require you to Press the Power Button. Don't worry pressing the power button will not reboot the computer unless you continuously hold it down. Just pressing and releasing it will cause the computer to wake up and resume.
Your laptop either goes to hibernate or sleep mode when you close the lid. Then, when you open the lid up, the screen is still off because your pc already hanged/froze and could not wake up at all (usual problem in vista). Off course, hard shutdown would fix it. But actual fix is under power options on your control panel. Check your current scheme and edit it. There are options there that you can select to "do nothing when closing the lid"
Turn Hibernate off for one thing. Hibernation leads to registry problems and boot issues. Go to control panel > power options > hibernate tab > uncheck the box. Reboot the machine. If you want, the laptop will go into standby mode after a period of time and will wake up with a touch on the touchpad. Go back to power options and there are settings in there that you can tailor to your liking.