I read the manuals, doesnt mention getting into the configuration at boot, only the bios. You can download a new image here -
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=12454&prodSeriesId=3341342&prodNameId=3341343&swEnvOID=4017&swLang=13&mode=2&taskId=135&swItem=vc-53398-1Run the program and create an iso file. Burn it to cd and boot the client from the cd. It will restore the original factory settings.