HP Presario 1600 Presario 1660 Series Maintenance and Service Guide - Page 21

Maintenance & Service Guide Presario 1660 Model MSG Index | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Power-On Self Test (POST) Running POST To run POST, turn off the computer, then turn it back on. If POST does not detect any errors, the computer will not beep. This indicates successful completion of 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 the following tables for a list of POST codes and their relevant descriptions. If there is more than one recommended action, only try the later actions in the list if the first action recommended does not solve the problem. If the system is not functioning well enough to run POST, NOTE: or if the display is not functioning well enough to show POST error messages, refer to the Troubleshooting tables. 102 System board failure 162 System options not set XX000YZZ 201 Memory Error 301 Keyboard Error 304 Keyboard or System Unit Error 601 Diskette Controller Error 605 Diskette Drive Error 1780 Primary Hard Drive 0 Failure 1782 Hard Drive Controller 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. XX000YZZ 201-Memory Error Probable cause Recommended action RAM failure 1. Replace the memory modules. 2. Replace the system board. Memory test data 1. Replace the memory error modules. 2. Replace the system board. XX000YZZ RAM failure Replace the system board. Probable Cause Keyboard failure 301-Keyboard Error Recommended Action 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 1. Replace the keyboard. system board 2. Replace the TouchPad or mouse. error 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 1. Run Computer Checkup error (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.