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09-09-2010 01:01 PM
It looks like the drive has crashed or not been enabled to run on start up...
Reinstall the Touchpad Driver from here....
Windows 7 64 bit - ftp://ftp.hp.com/pub/softpaq/sp45001-45500/sp45049
Windows Vista 64 Bit - ftp://ftp.hp.com/pub/softpaq/sp43501-44000/sp43932
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