HP CQ57-214NR, CQ57-229WM, CQ57-218NR, CQ57-212NR manual Battery, Wlan module

Item	Component	Spare part number
	For use only with computer models equipped with an Intel Pentium processor and a	646181-001
	graphics subsystem with UMA video memory
	For use only with computer models equipped with an Intel Celeron processor and a	646184-001
	graphics subsystem with UMA video memory
(15)	Base enclosure (includes battery release latch, heat sink,	646114-001
	replacement thermal material, and 4 rubber feet)
(16)	Battery:
	6-cell, 55-Whr, 2.55-Ah Li-ion battery	593554-001
	6-cell, 47-Whr, 2.20-Ah Li-ion battery	593553-001
(17)	DVD±RW and CD-RW Super Multi Double-Layer Combo Drive with LightScribe (select	646126-001
	models only)

(18)Hard drive (2.5-in, 7.0-mm, SATA; does not include hard drive connector cable, hard drive bracket, or screws):

	500-GB, 5400-rpm	634932-001
	320-GB, 5400-rpm	622643-001
	250-GB, 5400-rpm	622641-001
	Hard Drive Hardware Kit (not illustrated, includes hard drive bracket and screws)	646122-001
(19)	Memory modules (2, PC3, 10600, 1333-MHz):
	4 GB	621569-001
	2 GB	621565-001
	1 GB	639738-001
(20)	WLAN module:
	Atheros AR9002WB-1NGB 802.11b/g/n 1x1 WiFi and Bluetooth 2.1+EDR Combo	593127-001
	Adapter (BT3.0+HS ready)
	Ralink 5390GN 802.11b/g/n 1x1 WiFi Adapter	630703-001
	Realtek 8188BC8 802.11a/b/g/n 2x2 WiFi and Bluetooth 3.0+HS Combo Adapter	602993-001
	Realtek 8188GN 802.11b/g/n 1x1 WiFi Adapter	640926-001

Computer major components 19