HP ProBook 4520S, 4720S manual 19

Category	Description	HP ProBook	HP ProBook	HP ProBook
		4520s UMA	4520s	4720s
			discrete	discrete
Serviceability	End-user replaceable parts:
	AC adapter	√	√	√
	Battery (system)	√	√	√
	Hard drive	√	√	√
	Memory module	√	√	√
	Optical drive	√	√	√
	WLAN module	√	√	√
	WWAN module	√	√

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