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Hi, Please try to boot the computer to Safe Mode. Do to so 1. Turn Off the computer 2. Now, as soon as you turn On the computer, keep tapping the F8 key (this will show up the Advanced Boot menu) 3. Select Safe Mode using the down arrow key on your keyboard. and hit Enter 4. If you are able to boot to the computer then a system restore will work.
Usually the external monitor and laptop screen toggles in one of three states. LCD only External monitor only Both LCD and external monitor Wait a couple of seconds between when you press Fn F8 This model laptop may not allow ectended display.
You could have a defective screen - a defective inverter or a CCFL lamp or simply the video cable needs reseating. After reseating the video cable and the problem is still there then :- To determine if you have a LCD screen or video card problem, read this and follow the instructions. Defective CCFL backlight, it may have the following symptom: Screen flashs on red/pink and off. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickering on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight. Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case. The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills. Check out www.lcdparts.net for parts, repair service and DIY info.
Safe Mode (SAFEBOOT_OPTION=Minimal): This option uses a minimal set of device drivers and services to start Windows.
Safe Mode with Networking (SAFEBOOT_OPTION=Network): This option uses a minimal set of device drivers and services to start Windows together with the drivers that you must have to load networking.
Safe Mode with Command Prompt (SAFEBOOT_OPTION=Minimal(AlternateShell)): This option is the same as Safe mode, except that Cmd.exe starts instead of Windows Explorer.
Enable VGA Mode: This option starts Windows in 640 x 480 mode by using the current video driver (not Vga.sys). This mode is useful if the display is configured for a setting that the monitor cannot display.
If the diagnostics displays on the LCD screen but you get no display when Windows starts to load, it sounds like you have a video software driver problem. Try tapping the F8 key when you power on your laptop and boot in Safe mode. If it works in safe mode then you need to check you driver. You can also try connecting the laptop to an eternal monitor and see what happens.
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