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3-24 Troubleshooting and Diagnostics Service Manual
The following table lists POST messages and explanations for reported problems If the system fails after
you make changes in BIOS Setup, reset the notebook, enter BIOS Setup, and install the defaults or correct
the error.
Table 3-5 POST Messages
Message Description
0200 Failure Fixed Disk
Fixed (hard) disk is not working or not configured properly Make sure the hard disk is
installed properly Run BIOS Setup and make sure the hard disk type is correctly identified
0210 Stuck key
Stuck key on keyboard
0211 Keyboard error
Keyboard is not working
0212 Keyboard Controller
Failed
Keyboard controller failed the test Might require replacing the motherboard (contains the
keyboard controller)
0213 Keyboard locked
Unlock key switch Unlock the system to proceed
0220 Monitor type does not
match CMOS—Run SETUP
Monitor type is not correctly identified in BIOS Setup
0230 Shadow RAM Failed at
offset: nnnn
Shadow RAM failed at offset nnnn of the 64k block at which the error was detected
0231 System RAM Failed at
offset: nnnn
System RAM failed at offset nnnn of the 64k block at which the error was detected
0232 Extended RAM Failed at
offset: nnnn
Extended memory is not working or not configured properly at offset nnnn Update to the
latest BIOS version
0250 System battery is dead—
Replace and run SETUP
CMOS clock battery indicator shows that the CMOS battery is dead Connect the AC adapter
for at least 24 hours, and then run BIOS Setup to reconfigure the system
0251 System CMOS checksum
bad—Default configuration
used
System CMOS has been corrupted or modified incorrectly, perhaps by an application that
changes CMOS data In response, the BIOS has installed the default Setup values Use BIOS
Setup to modify these values if needed If the error persists, check the system battery
Connect the AC adapter for at least 24 hours; replace the motherboard
0260 System timer error
Timer test failed Replace the motherboard
0270 Real time clock error
Real-time clock failed the BIOS test Might require replacing the motherboard
0271 Check date and time
settings
BIOS found the date or time to be out of range, and then reset the real-time clock You might
need to use BIOS Setup to reset the legal date
0280 Previous boot
incomplete—Default
configuration used
Previous POST did not complete successfully POST loads default values and offers to run
BIOS Setup If the failure was caused by incorrect values that are not corrected, the next boot
will likely fail This error is cleared the next time the system is booted
0281 Memory Size found by
POST differed from CMOS
Memory size found by POST differed from that specified in CMOS
02B0 Diskette drive A error
Drive A: is present but fails the BIOS POST diskette tests Make sure the drive is defined with
the proper diskette type in BIOS Setup, and that the drive is connected correctly
02B2 Incorrect Drive A type—
run SETUP
Type of floppy drive A: not correctly identified in BIOS Setup
02D0 System cache error—
Cache disabled
RAM cache failed and BIOS disabled the cache May require replacing the motherboard
A disabled cache slows system performance considerably
02F0: CPU ID
CPU socket number for Multi-Processor error
02F4: EISA CMOS Not
Writeable
ServerBIOS2 test error: Cannot write to EISA CMOS
02F5: DMA Test Failed
ServerBIOS2 test error: Cannot write to extended Direct Memory Access (DMA) registers
02F6: Software NMI Failed
ServerBIOS2 test error: Cannot generate software Non-Maskable Interrupt (NMI)