Lenovo B5400 Service Manual

7
Safety information
Safety notices: multilingual translations
The safety notices in this section are provided in English, French, Germ\
an, Hebrew, Italian, Japanese, and Spanish. 
Safety notice 1 
Before	the	computer	 is	powered	 on	after	 FRU	 replacement,	 make	sure	all	screws,	
springs,	 and	other	 small	 parts	are	in	place	 and	are	not	 left	 loose	 inside	 the	
computer.	 Verify	this	by	shaking	 the	computer	 and	listening	 for	rattling	 sounds.	
Metallic	parts	or	metal	flakes	can	cause	electrical...

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Lenovo B5400/M5400/M5400 Touch Hardware Maintenance Manual
Safety notice 2 
 DANGER
Some	standby	 batteries	 contain	a	small	 amount	 of	nickel	 and	cadmium.	 Do	not	
disassemble 	a 	standby	 battery,	recharge 	it,	 throw	 it	into	 fire	or	 water,	 or	short-
circuit	 it.	Dispose	 of	the	 battery	 as	required	 by	local	 ordinances	 or	regulations. 	
Use	 only	 the	battery	 in	the	 appropriate	 parts	listing.	 Use	of	an	 incorrect	 battery	can	
result	in	ignition	or	explosion	of	the	battery.
Certaines...

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Safety information
Safety notice 3
 DANGER
The	battery	 pack	contains	 small	amounts	 of	nickel.	 Do	not	 disassemble	 it,	throw 	
it	 into	 fire	or	water,	 or	short-circuit	 it.	Dispose	 of	the	 battery	 pack	as	required	 by	
local	 ordinances	 or	regulations.	 Use	only	 the	battery	 in	the	 appropriate	 parts	listing	
when	 replacing	 the	battery	 pack.	Use	of	an	 incorrect	 battery	can	result	 in	ignition 	
or	explosion	of	the	battery.	
La 	batterie 	contient 	du 	nickel. 	Ne 	la 	démontez 	pas, 	ne...

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Lenovo B5400/M5400/M5400 Touch Hardware Maintenance Manual
Safety notice 4
 DANGER
The	lithium	 battery	can	cause	 a	fire,	 an	explosion,	 or	a	severe	 burn.	Do	not	
recharge	 it,	remove	 its	polarized	 connector,	 disassemble	 it,	heat	 it	above	 100°C	
(212°F),	 incinerate	 it,	or	 expose	 its	cell	 contents	 to	water.	 Dispose	 of	the	 battery	 as	
required	 by	local	 ordinances	 or	regulations.	 Use	only	 the	battery	 in	the	 appropriate	
parts	 listing.	 Use	of	an	 incorrect	 battery	can	result...

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Safety information
Safety notice 5
If	the	LCD	breaks	and	the	fluid	from	inside	the	LCD	gets	into	your	eyes	or	on	your	
hands,	 immediately	 wash	the	affected	 areas	with	water	 at	least	 for	15	minutes. 	
Seek	medical	care	if	any	symptoms	caused	by	the	fluid	are	present	after	washing.
Si	 le	panneau	 d’affichage	 à	cristaux	 liquides	 se	brise	 et	que	 vous	 recevez	 dans	les	
yeux	 ou	sur	 les	mains	 une	partie	 du	fluide,	 rincez-les	 abondamment	 pendant	au	
moins	 quinze	 minutes.	 Consultez	 un...

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Lenovo B5400/M5400/M5400 Touch Hardware Maintenance Manual
Safety notice 6
 DANGER
To	avoid	 shock,	 do	not	 remove	 the	plastic	 cover	that	protects	 the	lower	 part	of	the	
inverter	card.
Afin	 d’éviter	 tout	risque	 de	choc	 électrique,	 ne	retirez	 pas	le	cache	 en	plastique 	
protégeant	la	partie	inférieure	de	la	carte	d’alimentation.
Aus	 Sicherheitsgründen	 die	Kunststoffabdeckung,	 die	den	 unteren	 Teil	der	
Spannungswandlerplatine	umgibt,	nicht	entfernen.
Per	 evitare	 scosse	elettriche,...

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Safety information
Safety notice 8
 DANGER
Before	removing	 any	FRU,	 turn	off	the	 computer,	 unplug	all	power	 cords	from	
electrical	outlets,	remove	the	battery	pack,	and	then	disconnect	any	interconnecting 	
cables.
Avant	 de	retirer	 une	unité	 remplaçable	 en	clientèle,	 mettez	le	système	 hors	tension,	
débranchez	 tous	les	cordons	 d’alimentation	 des	socles	 de	prise	 de	courant,	 retirez	
la	batterie	et	déconnectez	tous	les	cordons	d’interface.
Die 	Stromzufuhr	 muß	abgeschaltet,	 alle...

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Lenovo B5400/M5400/M5400 Touch Hardware Maintenance Manual
Laser compliance statement
Some models of Lenovo computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it  is  certified  in  the  U.S.  to  conform  to  the  requirements  of  the  Department  of Health and Human Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser...

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Safety information
A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following:
 DANGER
Emits	visible	 and	invisible	 laser	radiation	 when	open.	 Do	not	 stare	 into	the	beam, 	
do	 not	 view	 directly	 with	optical	 instruments,	 and	avoid	 direct	 exposure	 to	the 	
beam.
Radiação	 por	raio	 laser	 ao	abrir.	 Não	olhe	fixo	 no	feixe 	de 	luz,	 não	olhe	
diretamente	 por	meio	 de	instrumentos	 óticos	e	evite...

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Lenovo B5400/M5400/M5400 Touch Hardware Maintenance Manual
Important service information
This chapter presents the following important service information: 
• “Strategy for replacing FRUs” on page 16
– “Strategy for replacing a hard disk drive” on page 17
– “Important notice for replacing a system board” on page 17
• “Important information about replacing RoHS compliant FRUs” on pag\
e 18
Important:
BIOS	and	device	driver	fixes	are	customer-installable.	 The	BIOS	and	device 	drivers	
are	posted	on	the...