 Acer File Extensions |
Compaq Post Errors
When your Compaq machine boots up sometimes you will get an error code, or a number of beeps. This table explains what these Post messages actually mean.
N.B. In the action section, if there is a comma (,) separating two tasks this stipulates the order they are to be carried out in.
| Message | Beeps | Probable Cause | Action |
|---|---|---|---|
| 101 - ROM Error | 1 long 2 short | System ROM Checksum | Replace ROM, Replace System Board |
| 101 - I/O ROM Error | None | Option ROM Checksum | Replace ROM |
| 102 - System Board Failure | None | DMA, Timers, etc.. | Replace System Board |
| 162 - System Options Error | 2 short | No Disk Drive or Disk Failure | Run Computer Setup |
| 162 - System Options Not Set | 2 short | Configuration Incorrect | Run Computer Setup |
| 163 - Time & Date Not Set | 2 short | Invalid Date or Time | Run Computer Setup |
| 164 - Memory Size Error | 2 short | Memory Config Incorrect | Run Computer Setup |
| 174 - ISA Config Error | 1 short | PnP ISA Board Not Found | Run Diagnostics |
| 175 - ISA Config Error | 1 short | PnP Config Not Updated | Run Computer Setup |
| 178 - Processor Config Invalid | None | Processor Error | Run Computer Setup |
| 201 - Memory Address Error | None | RAM Failure | Replace Memory, Replace Mainboard |
| 203 - Memory Address Error | None | RAM Failure | Replace Memory |
| 205 - Memory Error | None | Cache Error | Run Computer Setup |
| 206 - Secondary Cache Error | None | Cache Controller or Memory | Run Computer Setup |
| 301 - Keyboard Error | None | Keyboard Failure | Reconnect Keyboard, Replace Keyboard |
| 303 - Keyboard Controller Failure | None | I/O Board Controller | Replace Keyboard, Mouse, System Board |
| 304 - Keyboard or System Unit Failure | None | Keyboard | Replace Keyboard, Mouse. System Board |
| 40X - Parallel Port X Address Assignment Conflict | 2 short | Both External and Internal Ports Assigned to Port XM | Run Computer Setup |
| 402 - Mono Adapter Failure | 1 long 2 short | Mono Display Adapter | Replace Adapter |
| 501 - Display Failure | 1 long 1 short | Video Display Controller | Replace Video Card |
| 601 - Disk Controller Failure | None | Diskette Controller | Run Computer Setup, Check/Replace Cables, Replace System Board |
| 602 - Diskette Boot | None | Diskette in Drive A: | Remove any Floppy Disks |
| 605 - Diskette Drive Error | 2 short | Mismatch Drive Type | Run Computer Setup |
| 611 - Primary Floppy Address Conflict | 2 short | Configuration Failure | Run Computer Setup |
| 612 - Secondary Floppy Address Conflict | 2 short | Configuration Error | Run Computer Setup |
| 702 - Coprocessor Detected But Not Reported | None | Configuration Error | Run Computer Setup, Replace Processor, Replace System Board |
| 703 - CMOS Reports a Coprocessor That Has Not Been Detected by Post | 2 short | Configuration Error | Run Computer Setup, Replace Processor, Replace System Board |
| 1151 - Com Port 1 Address Assignment Conflict | 2 short | Both External and Internal Ports Assigned to Com 1 | Run Computer Setup |
| 1152 - Com Port 2 Address Assignment Conflict | 2 short | Both External and Internal Ports Assigned to Com 2 | Run Computer Setup |
| 1153 - Com Port 3 Address Assignment Conflict | 2 short | Both External and Internal Ports Assigned to Com 3 | Run Computer Setup |
| 1154 - Com Port 4 Address Assignment Conflict | 2 short | Both External and Internal Ports Assigned to Com 4 | Run Computer Setup |
| 1720 - Intellisafe Hard Disk Detects Imminent Failure | None | Hard Disk is About to Fail | Backup Data and Replace Hard Disk |
| 1771 - Primary Disk Port Address Resource Conflict | 2 short | Internal and External HDD Controller Both Assigned to Secondary Address | Run Computer Setup |
| 1772 - Primary Disk Port Address Resource Conflict | 2 short | Internal and External HDD Controller Both Assigned to Secondary Address | Run Computer Setup |
| 1780 - Disk 0 Failure | None | HDD Drive / Format Error | Run Computer Setup, Replace HDD |
| 1781 - Disk 1 Failure | None | HDD Drive / Format Error | Run Computer Setup, Replace the Drive |
| 1782 - Disk Controller Failure | None | Hard Drive Circuitry Error | Run Computer Setup, Replace the HDD |
| 1790 - Disk 0 Failure | None | Hard Drive or Wrong Drive Type | Run Computer Setup, Run Diagnostics |
| 1791 - Disk 1 Failure | None | Hard Drive or Wrong Drive Type | Run Computer Setup, Run Diagnostics |
| 1800 - Temperature Alert | None | Internal Temperature Exceeds Specification | Check all Air Vents are Clear and Cooling Fan is Running |
| XX000Y ZZ Parity Check 2 | None | Parity RAM Failure | Replace Memory, Replace System Board |
| Hard Drive Parameter Table or BIOS Error - System Halted | None | Configuration or Hardware Failure | Run Computer Setup |
| IOCHECK Active Slot X | None | Defective Board in Slot X | Run Computer Setup |
| Bus Master Timeout Slot X | None | Defective Board in Slot X | Run Computer Setup |
| No Message | 1 short | Power on Successful | None |
| No Message | 2 short | Power on Successful | None |
| Resume = F1 Key | None | As Indicated to Continue | Press the F1 Key |