Apple Macbook Pro 15inch Late 2011 Manual

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Chapter 4      Problem, Meet Solution
Important:  Instructions	that	refer	to	modems	do	not	apply	to	LAN	users. 	LAN	users	
might	have	hubs, 	switches,	routers,	or	connection	pods	that	DSL	and	cable	modem	
users	do	not	have. 	LAN	users	should	contact	their	network	administrator	rather	than		
an	ISP.
PPPoE Connections 
If	you	are	unable	to	connect	to	your	Internet	service	provider	using	PPPoE	(Point	to	
Point	Protocol	over	Ethernet), 	make	sure	you	have	entered	the	correct	information	in	
Network...

62Chapter 4      Problem, Meet Solution
Network Connections
Make	sure	the	Ethernet	cable	is	connected	to	your	MacBook	Pro	and	to	the	network. 	
Check	the	cables	and	power	supplies	to	your	Ethernet	hubs	and	routers.
If	you	have	two	or	more	computers	attempting	to	share	an	Internet	connection, 	be	
sure	that	your	network	is	set	up	properly. 	You	need	to	know	whether	your	ISP	provides	
only	one	IP	address	or	multiple	IP	addresses, 	one	for	each	computer.
If	only	one	IP	address	is	provided, 	then	you	must...

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Chapter 4      Problem, Meet Solution
	
ÂMake	sure	your	MacBook	Pro	is	within	range	of	the	other	computer	or	the	network’s	
access	point. 	Nearby	electronic	devices	or	metal	structures	can	interfere	with	wireless	
communication	and	reduce	this	range. 	Repositioning	or	rotating	the	computer	might	
improve	reception.
	
ÂCheck	the	 Wi-Fi	(\f)	status	icon	in	the	menu	bar. 	Up	to	four	bars	appear,	indicating	
signal	strength. 	If	you	don’t	see	the	bars, 	try	changing	your	location.
	
ÂGet	help	online	by...

64Chapter 4      Problem, Meet Solution
Learning More, Service, and Support
Your	MacBook	Pro	does	not	have	any	user-serviceable	parts, 	except	the	hard	drive	and	
the	memory. 	If	you	need	service, 	contact	Apple	or	take	your	MacBook	Pro	to	an	Apple	
Authorized	Service	Provider. 	You	can	find	more	information	about	the	MacBook	Pro	
through	online	resources, 	onscreen	help,	System	Information, 	or	Apple	Hardware	Test.
Online Resources
For	online	service	and	support	information, 	go	to...

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Chapter 4      Problem, Meet Solution
AppleCare Service and Support
Your	MacBook	Pro	comes	with	90	days	of	technical	support	and	one	year	of		
hardware	repair	warranty	coverage	at	an	Apple	Retail	Store	or	an	Apple-authorized	
repair	center, 	such	as	an	Apple	Authorized	Service	Provider. 	You	can	extend	your	
coverage	by	purchasing	the	AppleCare	Protection	Plan. 	For	information,	go	to		
www.apple.com/support/products	or	the	website	for	your	country	listed	below.
If	you	need	assistance, 	AppleCare...

66Chapter 4      Problem, Meet Solution
Locating Your Product Serial Number
Use	one	of	these	methods	to	find	your	computer’s	serial	number:
	
ÂTurn 	over 	your 	MacBook 	Pro. 	The 	serial 	number 	is 	etched 	into 	the 	case 	near 	the 	hinge. 	
	
Serial number
	
ÂChoose	Apple	()	>	About	 This	Mac.	Click	the	version	number	beneath	the	words	
“Mac	OS	X” 	to	cycle	through	the	Mac	OS	X	version	number, 	the	build	version,	and	the	
serial	number. 	
	
ÂOpen	System	Information	in	the	Utilities	folder	in...

Help Center       ergonomics 
www.apple.com/environment 
Last, but Not Least
5  

68Chapter 5      Last, but Not Least
For	your	safety	and	that	of	your	equipment, 	follow	these	rules	for	handling	and	
cleaning	your	MacBook	Pro	and	for	working	more	comfortably. 	Keep	these	instructions	
handy	for	reference	by	you	and	others.
NOTICE:  Incorrect	storage	or	use	of	your	computer	may	void	the	manufacturer’s	
warranty.
Important Safety Information
WARNING:  Failure	to	follow	these	safety	instructions	could	result	in	fire, 	electric	shock,	
or	other	injury	or	damage. 	
Built-in battery		Do...

69
Chapter 5      Last, but Not Least
To	operate	the	computer	safely	and	reduce	the	possibility	of	heat-related	injuries, 	
follow	these	guidelines:
	
ÂSet	up	your	MacBook	Pro	on	a	stable	work	surface	that	allows	for	adequate	air	
circulation	under	and	around	the	computer. 	
	
ÂDo	not	operate	your	MacBook	Pro	on	a	pillow, 	blanket,	or	other	soft	material, 	because	
the	material	can	block	the	airflow	vents. 	
	
ÂNever	place	anything	over	the	keyboard	when	operating	your	MacBook	Pro. 	
	
ÂDo	not	push...

70Chapter 5      Last, but Not Least
To	reduce	the	possibility	of	overheating	the	power	adapter	or	of	heat-related	injuries, 	
do	one	of	the	following: 	
	
ÂPlug	the	power	adapter	directly	into	a	power	outlet.
	
MagSaf e conne ctor
AC plug
MagSaf
e Power A\fapte r
	
ÂIf	you’re	using	the	AC	power	cord, 	place	the	power	adapter	on	a	desk, 	table,	or	on	the	
floor	in	a	well-ventilated	location.
	
MagSaf e conne ctor
MagSaf e Power A dapte r
AC power cord