My friend of mine has a problem with his laptop TOSHIBA Satellite A10-2416 while booting, it has a display and then when Windows has been loaded the screen becomes flicker until it run out with no display on screen and it has grey display but when you connect the monitor or the external display it has display.anybody can help me about this problem to fix it!
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Does the display show anything before you enter windows? If yes, then press the key to transfer video back to your original screen once you enter windows. It should be the function key "Fn" + F5 - F8. looks for the icon which shows a monitor or says "CRT/LCD".
If it doesn't show anything before you enter windows I'm afraid your screen needs to be replaced. Good luck.
From your description, I am sure the LCD screen is cracked and needs to be replaced. To check if the laptop is functioning, connect an external monitor to the video port on the laptop, power up the monitor first and then boot up your laptop. If the monitor displays the normal Windows image and the programs operate then the laptop is OK and you need to replace the LCD screen. For LCD screen replacements, check out these WEB sites :-
LCD screens and Inverters
If the screen went blank after the driver install, sometimes clicking the mouse on the screen will bring the picture back. It sounds like the monitor is having a conflict with the resolution the driver is throwing out. Reboot the laptop and when you see the Toshiba splash screen, tap F8 until you see the multiple boot menu. Scroll to Safe Mode with networking and reboot. If the screen comes up, go to the control panel > System > hardware > display adapter > click on the plus sign and double click the reported adapter.click on driver tab and select roll back driver > click yes to any prompts and click ok. Reboot normally and see if that clears the problem.
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.
My Toshiba Satellite does a similar thing, It goes gray while I am working on it. The only way to continue to work on it is to complete shut it down manually and reboot. I took it to Toshiba they said nothing was wrong.