Compaq M300 manual Solving Power Problems, 15-22Troubleshooting, Battery pack may be defective

15-22Troubleshooting

Solving Power Problems

If the problem occurs while the computer is running on a battery pack, refer also to “Solving Battery Pack Problems.”

Solving Power Problems

Problem

Computer will not turn on when connected to external power if battery pack is in the computer.

Computer turned off while it was left unattended and power/suspend light is off.

Possible Cause

Battery pack may be defective.

System initiated a Hibernation timeout.

Solution

Remove or replace the battery pack.

To restore from Hibernation, slide the

power switch.

To change a Hibernation timeout

setting, refer to “Using Power

Preferences” in Chapter 4.

Computer turned off while it was left unattended and will not turn on.

Computer unexpectedly initiated Suspend (Standby), or turned off when it was docked.

Computer beeps twice when you press Fn + suspend button.

System initiated Hibernation and/or shut down because of a critical low-battery condition.

The maximum operating temperature was exceeded.

Hibernation is turned off.

1.To restore power, replace the battery pack with a charged battery pack or connect to an external power source.*

2.To restore from Hibernation, slide the power switch.

Move the computer to a cooler

environment and allow it to return to a

comfortable room temperature.

Make sure the vents and exhaust fan

are not obstructed.

To turn on Hibernation, refer “Using

Power Preferences” in Chapter 4.

Continued