Dell XPS 720 (Mid 2007) - Manual (Page 56)

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Troubleshooting
V ERIFY THAT THE MODEM IS COMMUNICATING WITH W INDOWS —
Windows XP:
1 Click Start → Control Panel→ Printers and Other Hardware→ Phone and Modem Options→ Modems.
2 Click the COM port for your modem → Properties→ Diagnostics→ Query Modem to verify that the modem is
communicating with Windows.
If all commands receive responses, the modem is operating properly.
Windows Vista:
1 Click Start → Control Panel→ Hardware and Sound→ Phone and Modem Options→ Modems.
2 Click the COM port for your modem → Properties → Diagnostics→ 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 provider.
With the Outlook Express e-mail program open, click File. If Work Offline has a checkmark next to it, click the
checkmark to remove it and connect to the Internet. For help, contact your Internet service provider.
Error Messages
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
If the error message is not listed, see the documentation for the operating system or the program that
was running when the message appeared.
A FILENAME CANNOT CONTAIN ANY OF THE FOLLOWING CHARACTERS : \ / : * ? “ < > | — Do not use these
characters in filenames.
A REQUIRED . D L L FILE WAS NOT FOUND — The program that you are trying to open is missing an essential file. To
remove and then reinstall the program:
Windows XP:
1 Click Start → Control Panel→ Add or Remove Programs→ Programs and Features.
2 Select the program you want to remove.
3 Click Uninstall.
4 See the program documentation for installation instructions.
Windows Vista:
1 Click Start → Control Panel→ Programs→ Programs and Features.
2 Select the program you want to remove.
3 Click Uninstall.
4 See the program documentation for installation instructions.
drive letter :\ IS NOT ACCESSIBLE . T HE DEVICE IS NOT READY — The drive cannot read the disk. Insert a disk
into the drive and try again.
I NSERT BOOTABLE MEDIA — Insert a bootable floppy disk, CD, or DVD.
N ON - SYSTEM DISK ERROR — Remove the floppy disk from the floppy drive and restart your computer.