186
If Something Goes Wrong
Resolving a hardware conflict
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.
PC Card problems
PC Cards (PCMCIA-compatible) include many types of devices,
such as a removable hard disk, additional memory, or a pager.
Most PC Card 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.
Resource conflicts can cause problems when using PC Cards. See
“Resolving a hardware conflict” on page 174.
Card Information Structure
When you insert a PC Card into a slot, the computer attempts to
determine the type of card and the resources it requires by reading
its Card Information Structure (CIS). Sometimes the CIS contains
enough information for you to use the card immediately.
Other cards must be set up before you can use them. Use the
Windows
®
operating system PC Card (PCMCIA) Wizard to set up
the card. Refer to your Microsoft
®
documentation for more
information, or refer to the documentation that came with the PC
Card.
Some card manufacturers use special software called enablers to
support their cards. Enablers result in nonstandard configurations
that can cause problems when installing the PC Card.
If your system does not have built-in drivers for your PC Card and
the card did not come with an operating system driver, it may not
work under the operating system. Contact the manufacturer of the
PC Card for information about using the card under the operating
system.
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