Keyboard
Typing on the keyboard produces nothing on the screen.
mMake sure the program you’re using is set to accept text input. Usually you need to set an insertion point or select some text before typing. If you’re using a communications program, you may need to turn on the “local echo” setting.
mOpen the Easy Access control panel and make sure Slow Keys is turned off.
mOpen Key Caps in the Apple (K) menu and check whether the computer is recognizing keyboard input. If so, the keys in the Key Caps window will darken when keys are pressed on the keyboard.
A key won’t stop repeating.
mOpen Key Caps in the Apple (K) menu. If any keys in the window are darkened, keys may be stuck down on your keyboard. This problem is sometimes related to an incorrectly installed RAM expansion card. Review the RAM card installation instructions in Appendix C.
PowerBook display
The screen went blank.
mScreen dimming may be on. Move the pointer to restore the screen’s brightness.
mThe computer may have gone to sleep. Press any key (except Caps Lock) on the keyboard to wake it.
mThe battery may need recharging. Plug in the power adapter, let the battery charge for a few minutes, and then try to wake or start up the computer again.
The screen flickers.
mAdjust the brightness control (Û) and the contrast control (O).
mOpen the Monitors control panel and set the computer to display fewer colors or grays.
mIf tilting the display affects the flickering, there may be a loose cable. Contact an
