Sony PCG-GRT150 - Manual (Page 16)

Battery is discharging.
No battery is inserted in the computer.
If the Power icon is not displayed on the Taskbar Notification area, see To display the Power icon on the taskbar.
Power Meter Window
To display the Power icon on the taskbar
1. Click Start on the Windows ® taskbar, and click Control Panel.
2. Click Performance and Maintenance, and click Power Options. The Power Options Properties window
appears.
3. Select the Advanced tab, and then select Always show icon on the taskbar in the Options box. The power icon
appears on the taskbar. See the power icon descriptions below for more information.
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