Lenovo G40 Manual

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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

. 	
V
 erify 	
this
 	
by
 	
shaking
 	
the
 	
computer...

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G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual
Safety notice 2 
 DANGER
Some	standby	batteries 	contain 	a 	small 	amount 	of 	nickel 	and 	cadmium. 	Do 	not	di
sassemble	a	st andby 	ba ttery, 	re charge	i t, 	t hrow 	i t	i nto 	fi re	or 	wa ter, 	or 	short -
circuit
	
it.
 	
Dispose
 	
of
 	
the
 	
battery
 	
as
 	
required
 	
by
 	
local
 	
ordinances
 	
or
 	
regulations.	Use

	
only
 	
the
 	
battery
 	
in
 	
the...

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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...

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G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual
Safety notice 4
 DANGER
The	lithium	battery 	can 	cause 	a 	fire, 	an 	explosion, 	or 	a 	severe 	burn. 	Do 	not	rechar
ge 	it, 	remove 	its	polarized 	connector , 	dis assemble 	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...

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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 	af fected 	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...

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G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...

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Safety information
Safety notice 8
 DANGER
Before	removing	any 	FRU, 	turn 	of f 	the 	com puter, 	unplug 	all 	power 	cords 	from	electrical
	 outlets, 	 remove 	 the 	 battery 	 pack, 	 and 	 then 	 disconnect 	 any 	 interconnecting	cables.
A

vant 	
de
 	
retirer
 	
une
 	
unité
 	
remplaçable
 	
en
 	
clientèle,
 	
mettez
 	
le
 	
système
 	
hors
 	
tension,
 	
débranchez

	
tous
 	
les
 	
cordons
 	
d’alimentatio
 n 	
des
 	
socles
 	
de...

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G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...

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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.
Ra

diação 	
por
 	
ra
 io 	
l
 aser 	
a
 o 	
a
 brir. 	
Nã
 o 	
ol
 he
	fi
 xo...

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G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...