Laptop is turn off, HP 8440p Notebook is docked before turning it on.
Black Screen Occurred after the Boot Up / Sequence before the Windows XP Login Screen, sometimes you can see the screen showing Windows XP is loading. If you unplug all the usb form the docking station usb port sometimes it's working fine, if you plug the usb back again the black screen will occur again.
Cure for the black screen docking station elite 8440p Windows XP USB problem.
1. Check the power adapter, the 8440p HP Notebook are using a slightly different power supply in the voltage
2. Go to BIOS and turn off the serial port
latest solution
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