If you cannot isolate the cause of a problem using the above diagnostic tools, use the suggestions in the following table to help find the problem.
Symptom
Table 3-2. Troubleshooting Suggestions
| Call Center: |
| Repair Center: |
| Repair Center: |
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| Suggestions |
| Likely Causes |
| Comments |
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To help determine likely causes, check to see what replaceable modules are involved in the system function and what roles they play. See the figure on page
Startup
Does not boot on ac or battery.
Beeps once, spins hard disk, repeats, but does not boot.
Check the power source.
Press the
Unplug the ac adapter and remove all batteries, then reconnect power.
Remove all but one SDRAM modules and try again. Reinsert any other SDRAM modules and try again.
ac adapter. SDRAM module. CPU module. Power supply PCA.
Display interface PCA.
Motherboard. Display assembly. Hard drive.
SDRAM module.
Check ac adapter. Remove any SDRAM modules and retry.
If power status light does not turn on, reprogram BIOS, replace power supply PCA, replace motherboard.
If power status light turns on but display remains off, try external monitor. If monitor shows successful boot, replace display assembly. If monitor shows activity but BIOS does not complete, replace display assembly. If monitor is blank, replace display interface PCA, replace display interface, replace motherboard.
If power status light and display turn on, BIOS completes, but OS does not start from hard disk or from floppy drive, replace CPU module, then motherboard. If OS starts from floppy drive, reload hard drive, replace hard drive.
Make sure at least one SDRAM module is installed.
Does not boot on battery, but boots on ac.
Does not boot from floppy drive.
Check battery level on battery LEDs.
Check battery contacts. If available, try another battery.
Make sure the floppy disk is bootable.
Make sure the floppy drive is installed or connected correctly.
Use BIOS Setup to check the boot order and to make sure that floppy boot is enabled.
Try using alternate connection (with or without floppy cable).
Battery or contacts. Motherboard.
Floppy drive or contacts.
Floppy cable. Motherboard.
HP OmniBook 6000 | Troubleshooting and Diagnostics |