<s>
The	O
Lenovo	B-Device
IdeaPad	I-Device
U310	I-Device
is	O
an	O
Ultrabook-class	O
notebook	O
computer	O
released	O
in	O
2012	O
.	O
</s>
<s>
It	O
is	O
the	O
successor	O
to	O
the	O
Lenovo	B-Device
U300s	I-Device
.	O
</s>
<s>
Lenovo	O
suggested	O
that	O
users	O
affected	O
by	O
the	O
issue	O
send	O
their	O
Ultrabook	B-Device
to	O
customer	O
support	O
,	O
however	O
no	O
official	O
recall	O
campaign	O
was	O
issued	O
and	O
malfunctioning	O
units	O
in	O
stock	O
were	O
still	O
sold	O
internationally	O
.	O
</s>
<s>
A	O
number	O
of	O
users	O
throughout	O
the	O
world	O
have	O
reported	O
that	O
the	O
hinges	O
of	O
their	O
Ideapad	B-Operating_System
U310	O
notebooks	O
were	O
popped	O
out	O
and	O
sometimes	O
cracking	O
sounds	O
could	O
be	O
heard	O
after	O
half	O
of	O
a	O
year	O
or	O
one	O
year	O
's	O
normal	O
usage	O
.	O
</s>
