Dell OptiPlex SX270 - Manual (Page 84)

Drive Problems
Fill out the Diagnostics Checklist as you complete these checks.
Floppy drive problems
CD drive problems
Replace the battery — If you have to repeatedly reset time and date information after turning on the computer, or if an incorrect time or
date displays during start-up, replace the battery. If the battery still does not work properly, contact Dell .
Test the drive —
l Insert another disk to eliminate the possibility that the original floppy disk is defective.
l Insert a bootable floppy disk and reboot the computer.
Ensure that the disk is not full or write-protected — Ensure that the disk has available space and that it is not write-protected (locked).
See the following illustration.
Test the floppy drive light —
MS-DOS®
Insert a floppy disk, type dir a: at the DOS prompt, and then press .
Microsoft Windows operating systems
Insert a floppy disk, click the Start button, click My Computer, and then double-click the floppy drive icon.
Run the Dell Diagnostics — If any of the tests fail, contact Dell .
NOTICE: Do not attempt to clean drive heads with a swab. You may accidentally misalign the heads, which can render the drive inoperable.
Clean the drive — Use a commercially available cleaning kit.
CAUTION: Before you begin any of the procedures in this section, follow the steps in " CAUTION: Safety Instructions ."
Remove and reinstall the floppy drive —
If the computer displays a drive error message, see " Floppy drive problems " for an explanation.
Adjust the Windows volume control — 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.
Test the drive with another CD — Insert another CD to eliminate the possibility that the original CD is defective.
Check the speakers and subwoofer — See " Sound and Speaker Problems ."
Ensure that Windows recognizes the drive — Click the Start button and click My Computer. If the CD drive is not listed, perform a full scan
with your antivirus software to check for and remove viruses. Viruses can sometimes prevent Windows from recognizing the drive.