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12 User Guide
The following is a description of the controls and status indicators for your
computer.
Hard disk drive in-use indicator: When this light is on, it indicates that the hard
disk drive heads are being positioned or that your computer is reading from or
writing to the hard disk. Do not turn off your computer when this indicator is on
or blinking.
Power/standby indicator: This status indicator is on when power to your
computer is turned on.
Power button: Press this button to turn your computer on or off. Do not turn off
your computer if the in-use indicator for the hard disk drive or diskette drive is
on.
Note: The power button normally operates with a single touch. However, in
some circumstances the computer might not immediately turn off. If this
happens, hold the power button down for approximately five seconds,
and the computer will then turn off.
LCD brightness decrease button: Press and hold this switch until the monitor
brightness is decreased to the desired level.
LCD brightness increase button: Press and hold this switch until the monitor
brightness is increased to the desired level.
Device bay release button: Press this button to lower the device bay for access to
the optical drive. To close it, push upwards on the device bay until it latches in the
closed position.
Optical drive eject button: Press this button on the optical drive to open the tray
for inserting or removing a disc.
Optical drive emergency eject hole: Insert a paper clip into this hole if you
cannot open the tray using the optical drive eject button.
Optical drive in-use indicator: When this light is on, it indicates that your
computer is reading from a disc.
Starting your computer
What you see and hear when you turn on your computer depends on the settings
in the Startup menu of the IBM Setup Utility program. For more information, see
Chapter 4, “Using the IBM Setup Utility program,” on page 27.
If any errors are detected during POST, error messages are displayed. If a user
password is set, a password prompt is displayed on the screen. If you have set
both user and administrator passwords, you can type either password at the
password prompt. When you type your password at the prompt and press Enter,
the first screen of your operating system or application program is displayed.