IBM X20, X23, X24, X22, X21 manual

Note: Screen blank mode in Windows 98 is called standby mode in Windows 95.

To enter screen blank mode, press Fn + F3. To end screen blank mode and resume normal operation, press any key.

Standby mode: When the computer enters standby mode, the following events occur in addition to what occurs in screen blank mode:

vThe LCD is powered off.

vThe hard disk drive is powered off.

vThe CPU stops.

Note: Screen blank mode in Windows 98 and Windows 2000 is called standby mode in Windows 95.

To enter standby mode, do any of the following:

vPress Fn + F4.

vClose the LCD cover. (To prevent the computer from entering standby mode when the LCD is closed, click Will not suspend even if LCD is closed in the Power Management Properties window. Then only the LCD turns off.)

In certain circumstances, the computer goes into standby mode automatically:

vIf a ″suspend time″ has been set on the timer, and the user does not do any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within the time set.

vIf the AC adapter is plugged in.

vIf the battery indicator blinks orange, indicating that the battery power is low. (Alternatively, if Hibernate when battery becomes low has been selected in the “Power Management Properties” window, the computer goes into hibernation mode.)

Note: Even if you don’t set the low-battery alarm, the charge indicator lets you know that the battery is low, and then the computer enters the power-saving mode automatically. This default low-battery behavior is independent of the operating system; so if you have set the low-battery alarm, the computer may not do what you specified. It chooses either your setting or the default setting, whichever is appropriate.

Any one of the following events causes the computer to resume operation from standby mode:

vThe Fn key is pressed.

vThe LCD cover is opened.

vThe ring indicator (RI) is signaled by a serial device or a PC Card device. The power switch is turned on.

Chapter 2. General descriptions 29