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Maintenance &
Service Guide
Presario 1800 Series
Models: 1825 and 1800T
| Home Page | Notice | Preface | Product
Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery
Pack Operations
To run POST, complete these directions:
Turn off the computer, then turn on the computer. As soon as the Compaq logo appears press the ESC key to clear the logo and display the POST messages as they occur.
If POST does not detect any errors, the computer will not beep. This indicates successful completion of the POST test. POST has run successfully and boots from the hard drive (or from a bootable diskette if one is installed in the diskette drive).
If POST detects errors, the errors are indicated by screen and/or audible messages. Refer to "Power-On Self-Test (POST) Codes" in the tables for a list of POST codes and their relevant descriptions.
NOTE: |
If the system is not functioning well enough to run POST, or if the display is not functioning well enough to show POST error messages, refer to the Troubleshooting tables. |
Power-On Self-Test Messages |
|
102-System Board Failure |
|
Probable Cause | Recommended Action |
DMA, timers, etc. | Replace the system board. |
162-System Options Not Set |
|
Probable Cause | Recommended Action |
Configuration incorrect | Run Computer Setup. |
CMOS reflects that
an invalid configuration has been set. |
Run Computer Setup. |
RAM failure | 1. Replace the
memory modules. 2. Replace the system board. |
Memory test data error | 1. Replace the
memory modules. 2. Replace the system board. |
XX000YZZ RAM failure | Replace the system board. |
XX000YZZ 201-Memory Error |
||
Probable Cause | Recommended Action | |
1. Replace the
memory modules. 2 Replace the system board. |
||
301-Keyboard Error |
||
Probable Cause | Recommended Action | |
Keyboard failure | 1. Ensure the keys
are not depressed during POST. 2. Reconnect the keyboard with the computer off. 3. Replace the keyboard. |
|
304-Keyboard or System Unit Error |
||
Probable Cause | Recommended Action | |
Keyboard or system board error | 1. Replace the
keyboard. 2. Replace the TouchPad or mouse. 3. Replace the system board. |
|
601-Diskette Controller Error |
||
Probable Cause | Recommended Action | |
Mismatch in drive type or failure in the diskette controller | 1. Run Computer
Checkup (TEST). 2. Check and/or replace cables. 3. Replace the system board. |
|
605-Diskette Drive Error |
||
Probable Cause | Recommended Action | |
Mismatch in drive type | Run Computer Setup. | |
1780-Primary Hard Drive 0 Failure |
||
Probable Cause | Recommended Action | |
Disk 0 failed to respond | 1. Run Computer
Checkup (TEST). 2. Replace the hard drive. |
|
Hard drive format error | 1. Run Computer
Checkup (TEST). 2. Replace the hard drive. |
|
1782-Hard Drive Controller |
||
Probable Cause | Recommended Action | |
Hard drive controller failure | 1. Run Computer
Setup. 2. Replace the hard drive. |