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
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 | 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.
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