POST Error Messages
POST Error Messages
Screen Message | Probable Cause | Recommended Action |
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CMOS Checksum Error. | CMOS corrupt or bad | Press F1 to save defaults. |
Defaults Loaded | RTC battery. | Replace RTC battery. |
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| Download the current ROM BIOS from |
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| the HP Web and reflash the ROM BIOS. |
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ROM BIOS Checksum | ROM BIOS may be | Download the most current ROM BIOS |
Error - system halted | corrupted. | from the Web and reflash the system |
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| ROM. |
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Keyboard/Interface | Keyboard controller | Reconnect keyboard with computer |
Error | failure. | turned off. |
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| Check connector for bent or missing |
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| pins. |
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| Ensure that none of the keys are |
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| depressed. |
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| Replace keyboard. |
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| Replace system board. |
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Keyboard Error or No | Keyboard not present or | Reconnect keyboard with computer |
Keyboard Present | system not responding | turned off. |
| when keyboard controller | Check connector for bent or missing |
| is initialized. | pins. |
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| Ensure that none of the keys are |
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| depressed. |
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| Replace keyboard. |
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| Replace system board. |
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Hard Disk Install Failure | Cannot find or initialize | Check Computer Setup (F10 Setup) for |
| the hard drive. | presence of hard drive. |
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| Check drive cable connections. |
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| Replace hard drive. |
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Memory Test Failure | If POST detects an error | Run Computer Setup (F10 Setup) or |
| during memory testing, | Windows utilities. |
| additional information | Ensure memory modules are installed |
| appears about the type | correctly. |
| and location of the | Verify proper memory module type. |
| memory error. | |
| Remove and replace memory modules | |
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| |
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| one at a time to isolate faulty module. |
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| Replace the faulty memory module. |
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| If error persists after replacing memory |
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| module, replace the system board. |
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Service Reference Guide, dx2200 MT |