SOURCE: Black screen
It seems your Operating system has corrupted, Its best to use Windows Installation CD to perform Recovery Installation. You can Use the DELL Disk. Before proceed Make sure you have your backup. If you need some advanced access to files you can use UBCD.
Good Luck
SOURCE: Dell Inspiron 1501 screen half black
Had the same problem. Fixed it though. Here's how:
You'll notice that the screen comes back to life if you press down on the very top of the green line. This is because a controller circuit board behind the LCD screen (at the top) is pressure fit flat-surface-to-flat surface to the contacts on the back of the LCD. Eventually, the sticky substance that holds this circuit board in place wears thin, collects dust, etc.. and the connection between the circuit board and the lcd contact is lost. The line appears where this break in contact has occured.
So, the solution is to increase the pressure at that point to reestablish the connection. I wasn't able to remove the circuit board to clean beneath it as it seemed too likely to cause damage. Nor would I have had the right adhesive to connect it back, so I simply removed the LCD and put a bunch of tape at that point so that it would "push" with a little more pressure when screwed back into place. Worked great.
To remove the LCD, pull off the 6 feet around the screen. Remove the screws behind them. Carefully pry off bezel with a small flathead screwdriver working your way around it. Once removed there are simply 4 screws on the left and 4 more on the right of the LCD to remove. Pull out screen carefully and start stacking bits of tape on the spot where pressure seems to work best. Put it back in and see if you've made any difference. I did this with the computer on so I could verify my results. Just be careful not to short out any naked contacts.
If this doesn't work for you, at least you'll know you just need to replace the LCD, not the video card. Easily found on ebay.
SOURCE: blank screen on a Dell Inspiron 1501
Here's how to work around the problem with the screen going blank when the A/C power adapter is attached.
With the battery only connected increase the screen brigtness using the blue Fn (function) key and the up arrow until you start to see the screen flickering. Now use the function key and the down arrow to decrease the screen brightness until the flickering stops. Plug in your A/C adapter and if the screen brigness increases, quickly bring it back down to the level where the screen does not flicker. It should continue run at this reduced brightness level.
You can then go into the the BIOS setup during the boot up sequence by pressing F2 and set this reduced brightness level so that any time you connect the A/C the brightness will automatically be set to the lower setting that avoids the problem.
SOURCE: Inspiron 1501 screen went black and will come on
you may need a new lcd screen i had the same problem with my advent laptop.
SOURCE: Dell Inspiron 1501 won't boot
The initial Dell Screen you see at the begining is your BIOS access. Push F12 repeatedly when you see this screen and it will take you into a system restore mode. It will let you boot from CD first (which your PC is not set up for). You should be able to start the CD fine from there.
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