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Re: Getting frequent black screens on 1501 Inspiron...
Black screen is probably a screen saver or the screen is turned off by power management software.
Check your screensaver setting. Change the screensaver to None to disable screensaver.
I assume you are using Windows XP.
If the LCD is turned off by power management, on the same screen with screen saver, on the lower part of the box there is a Power button. Click to open Power Options Properties. Set your monitor power properties there.
When the screen go blank and you have to push power button, probably the computer is set to go to stand by mode after some idle minutes. You can also set it here in system standby setting.
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the LCD Display has been cracked, there is no way to fix this without replacing the LCD display which in some cases is as expensive as a new laptop. I'd suggest taking it to a screen repair professional and getting a quote on a replacement screen and compare that with the price of a new laptop.
If your laptop appears to boot up and the hard disk LEDflashes, then the problem is probably a back light fault. This can be a faultyinverter or a faulty CCFL lamp. Please click on this link and follow myinstructions to identify the fault and possible fix :- http://www.fixya.com/support/r3598095-faulty_laptop_lcd_screen
Sounds like either the video cable has come loose or you have graphics or video card issue, to find out connect an external monitor to the VGA port on the side or back of the inspiron hit the function and the f7 button together. If your laptops image appears on the your screen it is a screen issue. I would take it o a pro. for opening a laptop can be an issue if you don't know what your doing.
Power getting to the laptop. Try first to see if this will give a screen image on an external monitor, listen for the sound of the cpu fan, hard drive and DVD rom drives clicking, see if the DVD rom drive will open if pressed.
Then remove battery and AC adaptor, press the power button for 30 secs, refit mains only and try this on mains supply (no battery)
If this fails to boot, check the light on the ac adaptor is a steady green, flashing green indicates power is not fully reaching the laptop (motherboard problems)
If it is steady and the LED power light on the laptop is steady, suspect the DC jack socket. If this feels loose or sloppy, it will need replacing, depending on the type fitted, it may be soldered onto the board, or a wired connector, which sometimes goes bad.
After that, I'd suggest that a capacitor has gone on the actual motherboard and you will need to strip the laptop to check it.
put the old memory back in and boot into the BIOS. Check the options: "Quick Boot" and "Boot time diagnostics". These should be disabled and enabled, respectively. Put the new memory back in one stick at a time and make sure they work on their own, then try with both sticks.
-this is a possible problem in the memory of the computer -if you are familiar in opening the computer and removing and returning back the memory please reseat the memory; if not contact your manufacturer for possible memory replacement
there is a invertor in LCD. it makes your lcd bright white shine. if it doesnt work you can have dark view. i mean something going on the lcd but you cant see clearly. take to tecnic service your computer.
I wen t to Dell website and did search for 1501 Inspiron laptop. After I found the product, I entered "black screen" and did another search. The search brought up 3 problems. One of them had several of the problems I had encountered, including black screen, horizontal lines, blue screen at times.
The solution was to download and update my Video driver. This seems to have solved my issues.