The screen on my laptop will not turn on, when i turn on my laptop the buttons light up but the screen wont come on.

1. When you press the power button to turn it on, do you see any thing on screen, like the toshiba boot up screen or something like that. Or is it completely blank (black color) always.

2. Can you see a faint image of your desktop (try to see it in dark place with flash light). This is important to confirm.

3. Also, when you press power button, do you see the LED lights on laptop blinking or solid green (which ones are in blinking/solid) and do hear any sound ? Or do you feel that your laptop doesnt even try to boot.

4. Can you hear any Beeps when you try to turn on the computer. If yes, what is the sequence of those beeps.

Continued......
If you answers are -
1. blank
2. no image
3. only the satellite light is blue, the powercord is blue and the battery is blue
4. no noise

Please do the following carefully and let me know result :
1. Shutdown and Unplug your laptop.
2. Remove the battery from the laptop.
3. Wait 2-3 minutes
4. Now press ON (power button on laptop) for 1 minute
5. Then release the finger and wait one more minute.
6. Now plug in the power cable (dont insert battery yet) and press ON button.
7. Did your screen start working now ? (do you see windows loading)

Try disconnecting the power cord from the laptop or the wall outlet, if you have a removal battery, remove it and then hold the power button down for as long as it takes for the laptop to power off.

REMOVE THE BATTERY AND TURN OFF THE PC AND POWER LID OFF AND HOLD DOWN THE POWER BUTTON FOR 30 SECONDS AND TRY IF NOT REMOVE THE BACK OF UR LAPTOP AND REMOVE ONE AT A TIME OF MEMORY SLOT AND SEE IF NOT AND U NEED REPLACING THE SCREEN SORRY MATE

when you say some times it keeps going does this mean the unit turns off ??,,,,this model has the gpu problem,,,dry solder joint of the graphics card, of which you can have the board repaired or replace the board

Does your laptop have its lights on the keyboard even if your screen is black? If it is , try to remove the cables and battery of the laptop. Press and hold the power button for 8 seconds. Then reinsert the cables and battery on the laptop. Turn on the laptop, and if there is no light on screen & keyboard, it means that the power supply or the motherboard has trouble. That is the time to contact Dell support for possible repair or replacement. Otherwise if the keyboard has lights but the screen is still black, that would be a video card problem since the LCD screen is not a separate entity. Just make sure if it has the power button on the screen, it is turned on. That instance would need a video card replacement...

There is a button on your laptop for switching from laptop screen to external screen, This button is usually in the top row of special function buttons, did you press that as it will tell your computer you are connected to another monitor. Also some times you have to leave the monitor off for about 5 minutes so it will reset itself.

remove the battery and the power from the laptop.....then press and hold down the power button for 20 seconds ...... attach the AC power only and turn on the laptop this should turn on the system.
This drains the capacitors on the system (safety feature of laptops ... quite common)

If this does not work remove the Ram and reseat it ... something has either come loose or the backlight on the LCD has gone bad.

install windows again

plz chek the cable of laptop power button then you use us

try takeing the batterey out and reboting it