How can i resolve a bios checksum problem with my hp pavillion dv 2000 laptop

http://www.insidemylaptop.com/hp-2000-laptop-disassembly/ Use steps 1, 2, and 8 - 15. Keyboard replacement is an easy job, just take your time and don't get frustrated when working through step 10. It can feel like you're about to break the KB but it is unlikely that you will.

a clean wipe of the partition and reset can be accomplished in the Bios functions, simply go into set up at boot and move through the menus until you achieve your goal. HP is well known for installing ghost partitions on their hard drives .

service your laptops fan and heat sink.

reinstall the device from device manager

You have a loose connection on the cable for the screen. The case of the laptop must be removed and the cable reseated in its connector and the problem will be gone.

vga chips problem need to open then fix the board.

You have one or more critical corrupted file/s which prevents the laptop from booting up.
To get the laptop operating again, you need to insert the Windows Vista CD and do a Repair and if this fails you need to install Vista again.

check yo RAM,Or VGA

you need to go to HP web site , and down load the lates bios to update system

hello!

I quess your keyboard is solve by
vithob
and if you need to use the built in keyboard you blow it with blower to eliminate foreign material inside the keyboard. and please install the driver of your laptop to resolve the problems.