Chapter
4.
Troubleshooting
common
problems
This
section
describes
several
common
problems
and
explains
what
to
do.
Table
9.
Symptoms
and
actions
If
the
problem
is...
Here’s
what
to
do.
No
green
power
light
on
the
tower
unit.
1.
Ensure
that
the
system
unit
is
plugged
into
a
working
electrical
outlet
and
replug
the
power
cable
at
the
power
supply.
2.
Verify
that
the
display
cable
is
plugged
properly
into
the
display
and
into
the
system
board.
3.
Verify
the
power
cable
is
plugged
into
the
system
board
connectors
P1
and
P2.
4.
Replace
the
power
supply.
See
“Power
supply
–
removing
and
replacing”
on
page
68.
5.
Replace
the
system
board.
See
“System
board
–
removing
and
replacing”
on
page
66.
Operator
display
exhibits
the
following
conditions
(with
the
green
LED
on):
v
Blank
screen
v
No
cursor
available
v
Screen
is
unreadable
v
Other
display
problems
1.
Adjust
the
brightness
control
at
the
bottom
right
side
of
the
display.
2.
Ensure
that
the
operator
display
cable
is
securely
connected.
3.
Switch
unit
off
and
back
on.
4.
Run
the
operator
display
test
using
the
diagnostic
USB
memory
key.
5.
Open
the
tablet
and
check
that
all
of
the
cable
connections
are
secure.
6.
Replace
the
LCD
assembly.
See
“LCD
assembly
-
removal
and
replacement”
on
page
59.
7.
If
condition
persists,
replace
the
tablet
card.
See
“Control
card
-
removal
and
replacement”
on
page
57.
8.
If
condition
persists,
replace
the
system
board.
See
“System
board
–
removing
and
replacing”
on
page
66.
Operator
display
backlight:
dark,
dim,
or
partially
lit.
1.
Adjust
the
brightness
using
the
button
located
on
the
front
of
the
display.
2.
Ensure
operator
display
cable
is
securely
attached
under
display
tablet
and
at
system
board.
3.
Open
the
tablet
and
check
that
all
of
the
cable
connections
are
secure.
Reboot
the
system.
4.
If
only
half
of
the
display
is
lit,
replace
the
LCD
assembly.
See
“LCD
assembly
-
removal
and
replacement”
on
page
59.
5.
If
condition
persists,
replace
the
system
board.
See
“System
board
–
removing
and
replacing”
on
page
66.
6.
If
condition
persists
(the
operator
display
backlight
is
dark
dim
or
partially
lit);
however,
the
HDD
light
shows
activity;
and
the
POST
bleeps
completion
upon
reboot,
replace
the
LCD
assembly.
See
“LCD
assembly
-
removal
and
replacement”
on
page
59.
Updated
October,
2008
©
Copyright
IBM
Corp.
2005,
2008
49
Summary of Contents for SurePOS 514
Page 2: ......
Page 8: ...Updated October 2008 vi SurePOS 500 Model 514 ...
Page 12: ...Updated October 2008 x SurePOS 500 Model 514 ...
Page 16: ...Updated October 2008 xiv SurePOS 500 Model 514 ...
Page 20: ...Figure 2 Serial number location Updated October 2008 4 SurePOS 500 Model 514 ...
Page 32: ...Installing the IBM SurePOS 500 Model 514 Updated October 2008 16 SurePOS 500 Model 514 ...
Page 64: ...Installing additional peripheral devices Updated October 2008 48 SurePOS 500 Model 514 ...
Page 68: ...Updated October 2008 52 SurePOS 500 Model 514 ...
Page 102: ...Updated October 2008 86 SurePOS 500 Model 514 ...
Page 138: ...Updated October 2008 122 SurePOS 500 Model 514 ...
Page 143: ...IBM IBM GA27 4004 GA27 4004 Updated October 2008 Appendix D Safety information 127 ...
Page 152: ...Updated October 2008 136 SurePOS 500 Model 514 ...
Page 156: ...Updated October 2008 140 SurePOS 500 Model 514 ...
Page 158: ...Updated October 2008 142 SurePOS 500 Model 514 ...
Page 161: ......