168 AppendixFloppy DriveNOTICE: Do not attempt to clean drive heads with a swab. You might accidentally misalign the heads whichprevents the drive from operating.Clean your floppy drive using a commercially available cleaning kit. These kits contain pretreatedfloppies to remove contaminants that accumulate during normal operation.CDs and DVDsNOTICE: Always use compressed air to clean the lens in the CD/DVD drive, and follow the instructions that comewith the compressed-air product. Never touch the lens in the drive.If you notice problems, such as skipping, with the playback quality of your CDs or DVDs, try cleaningthe discs.1 Hold the disc by its outer edge. You can also touch the inside edge of the center hole.NOTICE: To help prevent damage to the surface, do not wipe in a circular motion around the disc.2 With a soft, lint-free cloth, gently wipe the bottom of the disc (the unlabeled side) in a straight linefrom the center to the outer edge of the disc.For stubborn dirt, try using water or a diluted solution of water and mild soap. You can also purchasecommercial products that clean discs and provide some protection from dust, fingerprints, andscratches. Cleaning products for CDs are also safe to use on DVDs.Dell Technical Support Policy (U.S. Only)Technician-assisted technical support requires the cooperation and participation of the customer in thetroubleshooting process and provides for restoration of the operating system, software programs, andhardware drivers to the original default configuration as shipped from Dell, as well as the verification ofappropriate functionality of the computer and all Dell-installed hardware. In addition to this technician-assisted technical support, online technical support is available at support.dell.com. Additional technicalsupport options may be available for purchase.Dell provides limited technical support for the computer and any "Dell-installed" software andperipherals1. Support for third-party software and peripherals is provided by the original manufacturer,including those purchased and/or installed through Dell Software and Peripherals, Readyware, andCustom Factory Integration2.1 Repair services are provided pursuant to the terms and conditions of your limited warranty and any optional support ser-vice contract purchased with the computer.2 All Dell-standard components included in a Custom Factory Integration (CFI) project are covered by the standard Dell lim-ited warranty for your computer. However, Dell also extends a parts replacement program to cover all nonstandard, third-party hardware components integrated through CFI for the duration of the computer’s service contract.