I use your step-by-step and I have the same weird problem. Weird because when I plug the AC adapter, the laptop start right now... without press the power on switch. At this point, the LED power flash green and orange without stopping.
If I stop the laptop, the LED power stay green and the battery led stay off.
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Remove the Battery
Remove the AC Adapter
Press/hold down power button for 10 seconds
Plug AC Adapter in and turn the computer on
If the system doesn't turn on still then there's a problem with your motherboard. and it might need replacement.
Try the following. 1. Remove battery and plug in the AC Adapter and
check if it works If yes - Battery is defective If no - Motherboard Problem/AC adapter
2. Check the AC adapter LED indicator if its
lighted or not(double check by a multitester) If lighted - it works
properly if not - replace 3. Try to reinstall WINDOWS operating
system by the use of the installer CD 4. Reformat your computer and install necessary drivers and applications
Hi there yes its the graphic drivers that needs installing, i must also tell you that when you remove AC power from the laptop it will go into power saving mode and you will notice that the screen dims a little, this is normal and nothing to worry about
Replace the power supply first, chirping is not good, and if the supply has a low output it could be putting out just enough to run the machine and not enough to charge the battery. Starving the machine for power can damage the machine or the battery, so, you may still need a battery, but you won't know until you replace the supply. If you do need a battery, aftermarket or generic batteries are fine. I've used them and had no problems. Many times you'll find that the aftermarket batteries are made by the same company that the laptop manufacturer uses, they just don't have the label, it's this way with damn near all the laptop manufacturers.
There is a possibility that the power managment sestem in the computer has malfunctioned and is back feeding and burning up the supplies. You will need to take this in for a professional diagnostic to find out if you have a back feed problem. A back feed problem is rare, but not unheard of.