Hi,
Please the following package:
http://ftp.hp.com/pub/softpaq/sp58501-59000/sp58532.exe
Otherwise post the actual model/product of your machine back. Please use the following way to find it out:
http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&cc=us&docname=c00033108
Regards.