Solving Problems 15
m The battery may be drained. Make sure you plugged in the power adapter and that the
power adapter is firmly connected to both the computer and a power source. If the
power adapter is plugged into a power strip, make sure the power strip is plugged into
a working outlet and turned on. Let the battery recharge for a few minutes.
m If you’re using the power adapter, it should get warm after being plugged in for 10
minutes. If it remains cold, make sure the adapter is securely plugged in and attached
to the power cord.
Make Sure the Monitor Is Properly Connected and Adjusted
m Check that the monitor’s brightness (¤) and contrast (O) controls are adjusted
properly.
m Tu rn off your computer. For external monitors, check that the monitor cable is firmly
connected and that the monitor is plugged in and turned on.
m If you are using a monitor adapter between the monitor and computer, make sure the dial
and DIP switches (if any) are set properly for the monitor. For more information, see the
documentation that came with the monitor or adapter.
m If possible, borrow a monitor that you know works with another Mac OS–based computer
and connect it to your computer. If the borrowed monitor works, then your monitor may
need repair. Consult an Apple-authorized service provider.
Note: If you are displaying video from your computer on a television screen or displaying
video from a PowerBook on an external monitor without video mirroring, it may be normal
for the computer screen to be dark. See the documentation that came with your computer
for information.
Make Sure External Equipment Is Properly Connected and Turned On
m Make sure all cables and connectors are in good working order. Check for bent or missing
pins on the connectors. Make sure the cables connecting the device are not frayed or
damaged. If they are, you need to replace them. See an Apple-authorized service provider.
m Make sure connectors are plugged in all the way. Try unplugging connectors on all of the
devices, then plugging them back in.
m If a device has thumbscrews, make sure the thumbscrews are secure.
m If a device has a power cord, make sure the cord is plugged into a working electrical
outlet.
m If you’re using a SCSI (Small Computer System Interface) device, make sure the
terminators are secure and their clips are fastened. For more information, see the
documentation that came with the device. Disconnect older SCSI devices if you are also
using SCSI-2 or newer devices. Older disks, which are usually under 200 megabytes (MB)
in size, can have problems when they are connected to a SCSI bus to which SCSI-2 or
newer devices are also connected.
To Next Page
Loading...