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.
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| Message | Description |
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| 0200 | Failure Fixed Disk | Fixed (hard) disk is not working or not configured properly Make sure the hard |
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| disk is installed properly Run BIOS Setup and make sure the hard disk type is |
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| correctly identified |
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| 0210 | Stuck key | Stuck key on keyboard |
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| 0211 | Keyboard error | Keyboard is not working |
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0212 | Keyboard Controller | Keyboard controller failed the test Might require replacing the motherboard |
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| Failed | (contains the keyboard controller) |
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| 0213 Keyboard locked— | Unlock the system to proceed |
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| Unlock key switch |
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0220 | Monitor type does not | Monitor type is not correctly identified in BIOS Setup |
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| match |
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| 0230 Shadow RAM Failed at | Shadow RAM failed at offset nnnn of the 64k block at which the error was |
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| offset: nnnn | detected |
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| 0231 System RAM Failed at | System RAM failed at offset nnnn of the 64k block at which the error was |
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| offset: nnnn | detected |
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| 0232 Extended RAM Failed | Extended memory is not working or not configured properly at offset nnnn |
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| at offset: nnnn | Update to the latest BIOS version |
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0250 | System battery is | CMOS clock battery indicator shows that the CMOS battery is dead Connect |
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| the AC adapter |
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| SETUP | for at least 24 hours, and then run BIOS Setup to reconfigure the system |
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| 0251 System CMOS | System CMOS has been corrupted or modified incorrectly, perhaps by an |
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| checksum | application that changes CMOS data In response, the BIOS has installed the |
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| configuration used | default Setup values Use BIOS Setup to modify these values if needed If the |
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| error persists, check the system battery Connect the AC adapter for at least |
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| 24 hours; replace the motherboard |
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| 0260 | System timer error | Timer test failed Replace the motherboard |
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| 0270 | Real time clock error |
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0271 | Check date and time | BIOS found the date or time to be out of range, and then reset the |
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| settings | clock You might need to use BIOS Setup to reset the legal date |
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0280 | Previous boot | Previous POST did not complete successfully POST loads default values and |
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| offers to run BIOS Setup If the failure was caused by incorrect values that are |
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| configuration used | not corrected, the next boot will likely fail This error is cleared the next time |
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| the system is booted |
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| 0281 Memory Size found by | Memory size found by POST differed from that specified in CMOS |
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| POST differed from CMOS |
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| 02B0 Diskette drive A error | Drive A: is present but fails the BIOS POST diskette tests Make sure the drive |
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| is defined with the proper diskette type in BIOS Setup, and that the drive is |
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| connected correctly |
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| 02B2 Incorrect Drive A | Type of floppy drive A: not correctly identified in BIOS Setup |
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Troubleshooting and Diagnostics | Service Manual |
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