Lenovo B50-45 User Guide - Lenovo B40-xx, B50-xx, B50-30 Touch Notebook - Page 31

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Chapter 4. Troubleshooting When do I need to change the boot priority? The default boot priorities are UEFI First. If you need to install a legacy operating system (that is, an earlier version than that of your current operating system) on your computer, you will need to change the boot priority to Legacy First. The legacy operating system cannot be installed if you do not change the boot priority.  Getting help How can I contact the customer support center? See "Chapter 3. Getting help and service" of Lenovo Safety and General Information Guide. 25

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Chapter 4. Troubleshooting
25
When
 
do
 
I
 
need
 
to
 
change
 
the
 
boot
 
priority?
The
 
default
 
boot
 
priorities
 
are
 
UEFI
 
First
.
 
If
 
you
 
need
 
to
 
install
 
a
 
legacy
 
operating
 
system
 
(that
 
is,
 
an
 
earlier
 
version
 
than
 
that
 
of
 
your
 
current
 
operating
 
system)
 
on
 
your
 
computer,
 
you
 
will
 
need
 
to
 
change
 
the
 
boot
 
priority
 
to
 
Legacy
 
First
.
 
The
 
legacy
 
operating
 
system
 
cannot
 
be
 
installed
 
if
 
you
 
do
 
not
 
change
 
the
 
boot
 
priority.
Getting help
How
 
can
 
I
 
contact
 
the
 
customer
 
support
 
center?
See
 
“Chapter
 
3.
 
Getting
 
help
 
and
 
service”
 
of
 
Lenovo
 
Safety
 
and
 
General
 
Information
 
Guide
.