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A–12 Troubleshooting Guide
Post Error Messages
1801 None Processor is not
supported by
ROM BIOS.
Upgrade BIOS to proper
version.
1998-Master
Boot Record has
been lost.
1L, 2S* The previously saved
copy of the MBR has
been corrupted.
Run Computer Setup and
save the MBR of the current
bootable disk.
1999-Master
Boot Record has
changed.
1L* The current MBR
does not match the
previously saved copy
of the MBR.
Use extreme caution. The
MBR may have been updated
due to normal disk maintenance
activities (disk manager, fdisk,
or format). Replacing the
previously saved MBR in such
situations can cause data loss.
If you are certain the MBR
change is unintentional and
undesired (e.g. due to a virus),
then run Computer Setup and
restore the previously saved
MBR copy. Otherwise, run
Computer Setup and either
disabled MBR security or
save the MBR of the current
bootable disk.
2000-Master
Boot Record
Hard Drive has
changed.
1L, 2S* The current bootable
hard drive is not the
same as the one that
was present when
MBR Security was
enabled.
Run Computer Setup and
either disable MBR security or
save the MBR of the current
bootable disk.
*L = Long, S = Short
Numeric Codes and Text Messages
Code/Message Beeps Probable Cause Recommended Action
177620-006.book Page 12 Thursday, March 14, 2002 3:16 PM