HP All-in-One 23 Windows 7 Drivers

All drivers are automatically installed in Windows 7 except the Ethernet, Graphic and USB drivers. You will see 2 drivers missing on device manager.

Lan - Ethernet Driver
Realtek Ethernet Controller Drivers (DTO) - win7 32/64-bit
PCI\VEN_10EC&DEV_8168&SUBSYS_2B3B103C&REV_10
(This drivers also available on Microsoft update catalog)
http://whp-aus2.cold.extweb.hp.com/pub/softpaq/sp72501-73000/