My Dell Inspiron 140 have no imags. Power leds is on but no pic on the screen. Please Help.. Thank You,

Try to run the diagnostings
Try this http://adf.ly/3pDUa

Please refer to the following article for a detailed diagnosis & a fix:
http://www.fixya.com/support/r6430776-troubleshooting_laptop_power_failures

Hi there,

Black screen is often caused by a defective screen. The easiest way to determine if you have a hardware or software problem is by performing a power drain. Please follow the steps below for additional instructions.

Power Drain:
1. Turn off the computer.

2. Unplug the AC adapter from the power outlet and take out the battery from the system.

3. Now, press the power button for about 15-20 seconds.

4. Put back the battery in and plug the AC adapter.

5. Turn on the system and try observing it.
--> If power drain did not work, you need to consult a repairman to have your screen be checked for possible damage.

Hope it helps.

Thank you for using FixYa.

try removing the battery, holding down the power button for 1 minute, reinserting the battery. this may help clear up any issues you have.

Check the power options to verify that the screen is not powered down after to short a time. It is in the control panel under power options or in a Dell management utility

Hi,
Here is a picture of the Dell Inspiron 1525 keyboard >>>>>>>



Good luck and regards.

This is a no boot issue. Youre saying that you can perfectly run the PSA diagnostics but doesnt load Windows rather it stays on black screen, meaning the boot loader of Windows failed to load. You need to reinstall windows on your computer

I had the same problem. You need a new graphics card.

are you hearing and beeps when you power it up ?

Sounds like you have a bad jack inside your laptop.  These need to be replaced by a professional, because it requires opening your laptop and soldering a new jack onto the board.