Returns that are missing any of the preceding requirements will be refused at Dell’s receiving dock andreturned to you.Before You CallNOTE: Have your Express Service Code ready when you call. The code helps Dell’s automated-support telephone systemdirect your call more efficiently. You may also be asked for your Service Tag (located on the back or bottom of yourcomputer).Remember to fill out the Diagnostics Checklist. If possible, turn on your computer before you call Dellfor assistance and call from a telephone at or near the computer. You may be asked to type somecommands at the keyboard, relay detailed information during operations, or try other troubleshootingsteps possible only at the computer itself. Ensure that the computer documentation is available.CAUTION: Before working inside your computer, follow the safety instructions in your Product InformationGuide .142 Getting Help