Repairing A Wet Computer - Dell OptiPlex SX270 User Manual

Clean the disc — Use a commercially available cleaning kit.
Problems writing to a CD-RW drive
Close other programs — The CD-RW drive must receive a steady stream of data when writing. If the stream is interrupted, an error occurs.
Try closing all programs before writing to the CD-RW.
DVD drive problems
NOTE: Because of different regions worldwide and different disc formats, not all DVD titles work in all DVD drives.
Test the drive with another DVD —
Ensure that Windows recognizes the drive —
with your antivirus software to check for and remove viruses. Viruses can sometimes prevent Windows from recognizing the drive.
Clean the disc — Use a commercially available cleaning kit.
Check for interrupt request conflicts —
Hard drive problems
Check the cable connections —
1. Ensure that the DC power cables from the power supply are firmly connected to the connectors on each drive.
2. Verify that the interface cable for each drive is firmly connected to the drive and to the system board.
3. Ensure that the control panel cable is firmly connected to the system board.
If the primary hard drive that contains the operating system does not boot, files in the operating system might be corrupt. For more
information, see your operating system documentation.
Run the Hard-Drive Diagnostics Utility —
a hard-drive failure.
1. Turn on your computer (if your computer is already on, restart it).
2. When F2 = Setup appears in the upper-right corner of the screen, press <Ctrl><Alt><D>.
3. Follow the instructions on the screen.
Test the hard drive —
Windows XP and Windows 2000 — Run the Check Disk utility:
1. For Windows XP, click the Start button and click My Computer. For Windows 2000, double-click My Computer on the Windows
desktop.
2. Click the Tools tab.
3. Under Error-checking, click Check Now.
4. Click Scan for and attempt recovery of bad sectors.
5. Click Start.
Windows NT — Run the error-checking utility:
1. Click the Start button, click My Computer, and then select the hard drive that you want to check.
2. Click the right mouse button, click Properties, click Tools, and then click Check Now in the Error-checking section.
MS-DOS
Type scandisk x: at an MS-DOS prompt, where x is the hard drive letter, and then press <Enter>
Run the Dell Diagnostics — If any of the diagnostics tests fail,

Repairing a Wet Computer

Spills, splashes, and excessive humidity can cause damage to the computer. If an external device, such as a printer, gets wet, contact the manufacturer of the
device for instructions.
CAUTION: Before you perform this procedure, follow the steps in
1. Turn off the computer and devices, disconnect them from their electrical outlets, wait 10 to 20 seconds, and then remove the
computer cover.
2. Let the computer dry for at least 24 hours. Make sure that it is thoroughly dry before you proceed.
3. Replace the computer cover, reconnect the computer and devices to their electrical outlets, and turn them on. If the computer has
power, proceed to the next step. If the computer does not have power,
4. Run the Dell Diagnostics. If any of the diagnostics tests fail,
Insert another DVD to eliminate the possibility that the original DVD is defective.
Click the Start button and click My Computer. If the DVD drive is not listed, perform a full scan
See "Resolving Software and Hardware
The Dell IDE Hard-Drive Diagnostics is a utility that tests the hard drive to troubleshoot or confirm
contact
contact
Incompatibilities."
Dell.
"CAUTION: Safety Instructions."
contact Dell.
Dell.