HP 4150 HP OmniBook 4150 - User's Guide - Page 78

Power and Battery Problems

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Troubleshooting Solving Problems Power and Battery Problems If the OmniBook turns off immediately after it turns on • Battery power is probably extremely low. Plug in the ac adapter or insert a charged battery. If the OmniBook keeps beeping • The OmniBook beeps for 15 seconds when the battery is low. Save your work, quit immediately, and insert a charged battery or plug in the ac adapter. If the OmniBook has a short operating time • Try conserving power using any of the suggestions listed in the chapter titled "Managing Battery Power" in the online Reference Guide. • If you are running any applications with an automatic save feature, such as MS Word for Windows, disable this feature. • If the operating time has gotten shorter and the battery is more than a year or two old, you may need to replace the battery. • Turn down the display brightness (Fn+F1). • Heavy modem use can affect battery operating time. • For Windows 95, 98, and NT, check the Power Management settings in BIOS Setup. 1. From the Start menu, shut down, then restart the OmniBook. 2. When you see the HP logo, press F2 to enter the BIOS Setup utility. 3. From the Power menu, make sure the Power Management Mode is set to Maximum Power Savings. 4. Press F10 to Save and Exit the BIOS Setup utility. • For Windows 2000, check the settings in Control Panel, Power Options, on the Power Schemes tab. If the battery doesn't charge • Make sure the ac adapter is plugged into the power source. • If you're using a power strip, remove the ac adapter from the power strip and plug it directly into a wall outlet. 78 User's Handbook

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Troubleshooting
Solving Problems
78
User’s Handbook
Power and Battery Problems
If the OmniBook turns off immediately after it turns on
•
Battery power is probably extremely low. Plug in the ac adapter or insert a charged
battery.
If the OmniBook keeps beeping
•
The OmniBook beeps for 15 seconds when the battery is low. Save your work, quit
immediately, and insert a charged battery or plug in the ac adapter.
If the OmniBook has a short operating time
•
Try conserving power using any of the suggestions listed in the chapter titled
“Managing Battery Power” in the online
Reference Guide
.
•
If you are running any applications with an automatic save feature, such as MS Word
for Windows, disable this feature.
•
If the operating time has gotten shorter and the battery is more than a year or two old,
you may need to replace the battery.
•
Turn down the display brightness (Fn+F1).
•
Heavy modem use can affect battery operating time.
•
For Windows 95, 98, and NT, check the Power Management settings in BIOS Setup.
1.
From the Start menu, shut down, then restart the OmniBook.
2.
When you see the HP logo, press F2 to enter the BIOS Setup utility.
3.
From the Power menu, make sure the Power Management Mode is set to
Maximum Power Savings.
4.
Press F10 to Save and Exit the BIOS Setup utility.
•
For Windows 2000, check the settings in Control Panel, Power Options, on the Power
Schemes tab.
If the battery doesn’t charge
•
Make sure the ac adapter is plugged into the power source.
•
If you’re using a power strip, remove the ac adapter from the power strip and plug it
directly into a wall outlet.