![background image](http://html.mh-extra.com/html/ibm/thinkpad-z61/thinkpad-z61_supplementary-manual_607509021.webp)
Message
Solution
02D0:
System
cache
error
The
cache
is
disabled.
Have
the
computer
serviced.
02F4:
EISA
CMOS
not
writable
Have
the
computer
serviced.
02F5:
DMA
test
failed
Have
the
computer
serviced.
02F6:
Software
NMI
failed
Have
the
computer
serviced.
02F7:
Fail-safe
timer
NMI
failed
Have
the
computer
serviced.
1802:
Unauthorized
network
card
is
plugged
in
-
Power
off
and
remove
the
miniPCI
network
card.
The
PCI
Express
Mini
card
is
not
supported
on
this
computer.
Remove
it.
1803:
Unauthorized
daughter
card
is
plugged
in
-
Power
off
and
remove
the
daughter
card.
The
daughter
card
is
not
supported
on
this
computer.
Remove
it.
1810:
Hard
disk
partition
layout
error
A
problem
in
recognizing
the
layout
of
the
partition
on
the
hard
disk
has
halted
computer
startup.
Either
the
Predesktop
Area
has
been
deleted,
or
the
hard
disk
contains
corrupt
data.
To
try
to
restart
your
computer,
complete
one
of
the
following:
v
If
the
Predesktop
Area
has
been
deleted
1.
Press
F1
to
open
the
BIOS
Setup
Utility.
2.
Select
Security
->
Predesktop
Area
->
Access
Predesktop
Area
.
3.
Set
this
item
to
Disabled
.
4.
Save
and
exit.
v
If
the
above
fails
1.
Press
Enter.
2.
Double-click
RECOVER
TO
FACTORY
CONTENTS
and
follow
on-screen
instructions.
Note:
This
will
permanently
erase
the
entire
contents
of
the
hard
disk,
and
then
restore
software
preinstalled
by
Lenovo.
Press
F1
to
open
BIOS
Setup,
or
Enter
to
start
the
Predesktop
Area.
If
the
computer
still
does
not
start,
call
the
Customer
Support
Center.
Telephone
numbers
are
listed
in
“Worldwide
telephone
list”
on
page
60.
Solving
computer
problems
Chapter
3.
Solving
computer
problems
13
Summary of Contents for ThinkPad Z61
Page 2: ......
Page 3: ...ThinkPad Z61 Series Service and Troubleshooting Guide ...
Page 8: ...Read first vi ThinkPad Z61 Series Service and Troubleshooting Guide ...
Page 50: ...42 ThinkPad Z61 Series Service and Troubleshooting Guide ...
Page 64: ...56 ThinkPad Z61 Series Service and Troubleshooting Guide ...
Page 72: ...64 ThinkPad Z61 Series Service and Troubleshooting Guide ...
Page 92: ...84 ThinkPad Z61 Series Service and Troubleshooting Guide ...
Page 94: ...86 ThinkPad Z61 Series Service and Troubleshooting Guide ...
Page 95: ......
Page 96: ...Part Number 41W3129 Printed in China 1P P N 41W3129 ...