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194
If Something Goes Wrong
Sound system problems
Sound system problems
No sound is coming from the computer's speakers.
Adjust the volume control.
Try pressing
Check that the volume control on the computer is turned up.
If you are using external headphones or speakers, check that they
are securely connected to your computer.
The computer emits a loud, high-pitched noise.
This is feedback between the microphone and the speakers. It
occurs in any sound system when input from a microphone is fed to
the speakers and the speaker volume is too loud. Adjust the volume
control.
®
ExpressCard
(Available on certain models.)
ExpressCards
hard disk, additional memory, or a pager.
Most ExpressCard problems occur during installation and setup of
new cards. If you are having trouble getting one or more of these
devices to work together, several sections in this chapter may apply.
If your system does not have built-in drivers for your ExpressCard
and the card did not come with an operating system driver, it may
not work under the operating system. Contact the manufacturer of
the ExpressCard for information about using the card under the
operating system.
®
ExpressCard
checklist
❖
Make sure the card is inserted properly into the slot.
❖
Make sure all cables are securely connected.
❖
Occasionally a defective ExpressCard
control. If another computer with a ExpressCard slot is
available, try the card in that machine. If the card malfunctions
again, it may be defective.
to see if volume mute is disabled.
Fn + Esc
problems
®
include many types of devices, such as a removable
®
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