HP Pavilion f1703 monitor AC/DC adapter

Where can I buy a new AC/DC Adapter for my Pavilion f1703 Monitor?

The model number for the one I have is: ADP-50SH Rev.b and the

serial number is: L6W0447154002

iNPUT IS: 100-240v-1500Ma   50-60hZ

OUTPUT IS: 12v-4160Ma

C.C:B

REV.: 02