Maintenance & Service Guide

Presario 1600 Series Portable Computers

Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog

Removal & Replacement Procedures Specifications Connector Pin Assignments Battery Pack

Power Solutions

Solving Minor Problems

Some minor problems and possible solutions are outlined here. If the problem appears related to a software application, check the documentation provided with the software.

Solving Power Problems

Also see Solving Battery and Battery Gauge Problems.

 

Solving Power Problems

Problem

Probable Cause

Solution(s)

Computer won't turn on and battery pack is not inserted*.

The computer doesn't timeout while on AC power

Computer is not connected to a power source.

Power cords to the external power source are unplugged.

Power adapter is defective.

The system is designed not to timeout while on AC power.

Insert battery or connect an external power source.

Ensure that power cords connecting the computer and the external power source are plugged in properly.

Replace AC Adapter and restart.

Windows will spin down the hard drive. Windows can be configured to power off the monitor using the display properties control panel applet. Alternatively, the user can change "BIOS-PM on AC" in the BIOS setup.

Computer turned off while it was left unattended and the power icon is off.

System board is defective.

Replace the system board.

System initiated Hibernation

Replace the battery pack with

due to a critical low-battery

a fully charged battery pack

condition.

or connect the computer to

 

an external power source.

 

Then turn on the computer.

System initiated Hibernation

Turn on the computer.

after a preset timeout.

 

*In rare cases, it may be necessary to remove the power cord and the battery, wait 30 seconds, and reinsert the power cord to power on the unit. The above steps reset the keyboard controller which is usually always powered, even when the computer appears to be off.

Back to Troubleshooting Without Diagnostics

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HP 1630 manual Power Solutions, Solving Power Problems, Problem Probable Cause Solutions