Used laptop this afternoon. Shut it before completely logging off. Now trying to use & lights come on, but monitor will not come on. Tried turning off & on again, and still no response from monitor.
It was working fine this afternoon before I closed it
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Re: monitor will not turn on
First check your num lock key on key bord if it is on off when you
press num lick key then your dispaly is working fine means you need to
change screen resolution. For
that when you power up the computer press F8 key then enter in enable
vga mode.then go to display property and change screen resolution to
1024*768 or 800 *600. Also when you power up the computer press F1
or F2 or 'del" key to enter in bios then load optimal defaults also
check your harddisk is detected .Disable your satat option in bios
.then save settings then check. I f you not able to enter in bios then Refix your ram.If still face problem you need to reset bios . For that you have to open laptop cover in back then pull cmos cell from mother bord for 5 minutes then refix it then check.
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This may not be an absolute fix but your monitor is connected to the PC, so you may be getting some type of feed from the PC through the graphics part of the system which only becomes prevalent when the circuit of the graphics signal is completed with the monitor on. Is you system grounded? How about your system not being shut off for long time. Are you the type to just leave it on and just log off instead of turning off? Try turning off both the PC & the monitor, and unplugging them for about 10 minutes, While they are unplugged, push the power switches on/off a couple of times to discharge any kind of residual charge in the capacitors. I know with my tower PC if I unplug it then later hit the power switch, the red power & green hard drive light would come on for a split second. DRAIN any kind of charge in them and be sure they are grounded good to each other as well as the buildings ground.
The presentation power scheme is used when you are giving a briefing using the PC as your slide show. So the presentation power scheme will never shut off the monitor or the hard drive, don't want it to shut down in the middle of a briefing.However, leaving it in that state for long periods of time may cause the CPU to overheat and shut itself down for protection. A better scheme for quick boot up would be Home/Office. Turn monitor off after 20 minutes and "never" for hard disk. This way it will save energy (therefore heat) and you will have a quick boot up. If you are using XP Pro, there is also an option to automatically put it in standby when you close the lid of your monitor. Hope this helps. If you have any questions let me know... Please rate this solution before logging off.
Is it possible that you have changed the settings of what buttons do what on your system? E.g. you could have changed the power button to "switch user" instead of "shut down", to check this (in XP) go to "Power Options" (in Control Panel" and then click on the "Advanced tab" at the top, then select "Shut down" from the drop down menu at the bottom of the window.
If this is already set to shut down then maybe you could do a system restore in case another setting has been changed, restore it to before the PC started doing this.
Alternatively try actually choosing "Turn off Computer" from the Log On screen (press Ctrl + L to get to this screen, or choose switch user/log off). If you are using Vista I beleive that there is a shut-down option from the Log In Page there (which again you can access by pressing Ctrl + L on the keyboard.
To get the computer back up again and out of hibernation you should just hold the power button down until it shuts off completely. Some laptops won’t shut off even if you do this. When this happens you have to take the battery out to get it to turn off. Make sure it is not plugged into the wall when you do this otherwise it wont work.
Also the following may be of interest. You must be logged on as an administrator or member of either the Administrators or Power Users group in order to successfully complete this procedure. If your computer is connected to a network, the forced network policy settings may prevent you from completing this procedure. In this case please consult your Network Administrator.
Click Start, then Control Panel, and then double-click Power Options.
Click the Hibernate tab, and then select the Enable hibernate support check box. If the Hibernate tab is not available, your computer does not support this feature.
Click OK to close the Power Options dialog box.
Click Start, and then click Shut Down then select Hibernate. If you are using Windows XP Home Edition, or Windows XP Professional with Fast User Switching turned on, the Shut Down menu will present the options to Stand By, Turn Off, or Restart your computer. Hold down the Shift key, and the Stand By button will change to Hibernate.