Also look at the second photo down. Note the small rectangular shaped object to the left of AO4407 circled in Yellow. Has a dark wide band in the middle. This is a Ceramic Capacitor.
There is one above it, one above that one, and one to the right of the top one. Just a few that size. These go bad also. Visual signs of bad ceramic capacitors, and power MOSFETs, will be blackened, or blistered, or bubbled.
Cost example of a Fairchild Semiconductor - FDS6679 - Power MOSFET,
Dell Laptop with bios or hard drive password set ? Unlock your dell laptop using the link below if it display a message that says "this computer system is protected by a password authentication system, you cannot access the data on this computer without the primary or administrator password, when you turn on the computer. This message is what you get if the BIOS is protected by a password. or you get system disabled
I found this while searching about youtube problems on the net... you might want to try this as well,
If this fix won't work, try downloading the latest adobe flash player
Click Here for the flash player
1.you can reset your password to a newer one by running your comp in safe mode !!!
2.you can re-install the windows.
you can google or youtube for the procedure to change your pass in safe mode !!!!
happy recovery !!!!
Darkened screen as you describe indicates a failing inverter. You can test this easily by plugging the laptop into an external monitor, if this works ok, then the inverter needs replaced, If it does not work, the problem is with the graphics chip / motherboard
Reboot and hit F2 to go into Setup, and make sure the mouse setting is set to touchpad. If this doesn't work then you might wanna check if the driver is installed and working correctly. Also if you updated from windows 200 to xp or newer you won't find any driver for it.