Dell Precision R5400 Service Manual page 56

Check the speakers and subwoofer —
Problems writing to an optical drive
Close other programs — The optical drive must receive a steady stream of data during the writing process. If the stream is interrupted, an error occurs. Try
closing all programs before you write to the optical.
Turn off standby mode in Windows before writing to a disc —
for information on power management modes.
Hard drive problems
Run Check Disk —
Windows Vista:
1. Click Start and click Computer.
2. Right-click Local Disk C:.
3. Click Properties® Tools® Check Now.
The User Account Control window may appear. If you are an administrator on the computer, click Continue; otherwise, contact your administrator to
continue the desired action.
4. Follow the instructions on the screen.
Windows XP:
1. Click Start and click My Computer.
2. Right-click Local Disk C:.
3. Click Properties® Tools® Check Now.
4. Click Scan for and attempt recovery of bad sectors and click Start.
E-Mail and Internet Problems
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage on www.dell.com at www.dell.com/regulatory_compliance.
NOTE: Do not plug a telephone cable into the network adapter connector (see your computer's Setup and Quick Reference Guide for illustrations
identifying the connectors on your computer).
Check the Microsoft Outlook® Express security settings —
1. In Outlook Express, click Tools® Options® Security.
2. Click Do not allow attachments to remove the checkmark, as needed.
Ensure that you are connected to the Internet —
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 working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage on www.dell.com at www.dell.com/regulatory_compliance.
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: \ / : * ? " < > | —
A required .DLL file was not found —
Windows Vista:
See Sound and Speaker Problems.
See the Dell Technology Guide or search for the keyword standby in Windows Help and Support
If you cannot open your e-mail attachments:
Ensure that you have subscribed to an Internet provider. With the Outlook Express e-mail program open,
The program that you are trying to open is missing an essential file. To remove and then reinstall the program:
Do not use these characters in filenames.