Dell Precision 490 Desktop User Manual

Also see for Precision Workstation 490: Quick reference guide Quick reference guide Quick guide Specifications

Contents

CD and DVD drive problemsProblems writing to a CD/DVD-RW driveHard drive problemsE-Mail, Modem, and Internet ProblemsCheck for Software and Hardware Conflicts — See Software and Hardware Incompatibilities.Run the Dell Diagnostics — See Dell Diagnostics.NOTE: High-speed CD or DVD drive vibration is normal and may cause noise, which does not indicate a defect in the drive or the CD or DVD.NOTE: Because of different regions worldwide and different disc formats, not all DVD titles work in all DVD drives.Adjust the Windows volume control —l Click the speaker icon in the lower-right corner of your screen.l Ensure that the volume is turned up by clicking the slidebar and dragging it up.l Ensure that the sound is not muted by clicking any boxes that are checked.Check the speakers and subwoofer — See Sound and Speaker Problems.Close other programs — The CD/DVD-RW drive must receive a steady stream of data when writing. If the stream is interrupted, an erroroccurs. Try closing all programs before you write to the CD/DVD-RW.Turn off Standby mode in Windows before writing to a CD/DVD-RW disc — See Power Management for more information.Run Check Disk —1. Click the Start button and click My Computer.2. Right-click Local Disk C:.3. Click Properties.4. Click the Tools tab.5. Under Error-checking, click Check Now.6. Click Scan for and attempt recovery of bad sectors.7. Click Start.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of yourcomputer's electronic components. You can do so by touching an unpainted metal surface on the computer.NOTE: Connect the modem to an analog telephone jack only. The modem does not operate while it is connected to a digital telephone network.Check the Microsoft Outlook® Express Security Settings — If you cannot open your e-mail attachments:1. In Outlook Express, click Tools, click Options, and then click Security.2. Click Do not allow attachments to remove the checkmark.