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Compaq Presario 1600 Series User Manual

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United States     January 2, 2003 
 
Maintenance & Service Guide
Presario 1600 Series
Models: 1650 and 1655 
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Power-On Self Test (POST)
Running POST
To run POST, complete the following steps:
Turn off the computer, then turn on the computer.
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 
"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
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.