Dell Inspiron 1521 (Mid 2007) - Manual (Page 112)

112
Troubleshooting
5 Click the COM port for your modem.
6 Click Properties, click the Diagnostics tab, and then click Query Modem
to verify that the modem is communicating with Windows.
If all commands receive responses, the modem is operating properly.
E NSURE THAT YOU ARE CONNECTED TO THE I NTERNET — Ensure that you have
subscribed to an Internet service provider. With the Windows
®
Mail e-mail
program open, click File. If Work Offline has a checkmark next to it, click the
checkmark to remove it, and then connect to the Internet. For help, contact
your Internet service provider.
S CAN THE COMPUTER FOR SPYWARE — If you are experiencing slow computer
performance, you frequently receive pop-up advertisements, or you are having
problems connecting to the Internet, your computer might be infected with
spyware. Use an anti-virus program that includes anti-spyware protection
(your program may require an upgrade) to scan the computer and remove
spyware. For more information, go to support.dell.com and search for the
keyword spyware.
Error Messages
Fill out the "Diagnostics Checklist" on page 178 as you complete these
checks.
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
If the message is not listed, see the documentation for the operating system
or the program that was running when the message appeared.
A UXILIARY DEVICE FAILURE — The touch pad or external mouse may be faulty.
For an external mouse, check the cable connection. Enable the Pointing
Device option in the system setup program (see "Using the System Setup
Program" on page 189). If the problem persists, contact Dell (see "Contacting
Dell" on page 179).
B AD COMMAND OR FILE NAME — Ensure that you have spelled the command
correctly, put spaces in the proper place, and used the correct pathname.
C ACHE DISABLED DUE TO FAILURE — The primary cache internal to the
microprocessor has failed. Contact Dell (see "Contacting Dell" on page 179).