Back to Contents PageGetting HelpDell Precision™ Workstations 450 and 650 User's GuideTechnical AssistanceProblems With Your OrderProduct InformationReturning Items for Warranty Repair or CreditBefore You CallContacting DellTechnical AssistanceIf you need help with a technical problem, Dell is ready to assist you.1. Complete the procedures in "Solving Problems."2. Run the Dell Diagnostics.3. Make a copy of the Diagnostics Checklist and fill it out.4. Use Dell's extensive suite of online services available at Dell Support (support.dell.com) for help with installation and troubleshooting procedures.5. If the preceding steps have not resolved the problem, contact Dell.NOTE: Call technical support from a telephone near or at the computer so that technical support can assist you with any necessary procedures.NOTE: Dell's Express Service Code system may not be available in all countries.When prompted by Dell's automated telephone system, enter your Express Service Code to route the call directly to the proper support personnel. Ifyou do not have an Express Service Code, open the Dell Accessories folder, double-click the Express Service Code icon, and follow the directions.For instructions on using the technical support service, see "Technical Support Service."NOTE: Some of the following services are not always available in all locations outside the continental U.S. Call your local Dell representative for information onavailability.Online ServicesYou can access Dell Support at support.dell.com. Select your region on the WELCOME TO DELL SUPPORT page, and fill in the requested details to accesshelp tools and information.You can contact Dell electronically using the following addresses:l World Wide Webwww.dell.com/www.dell.com/ap/ (Asian/Pacific countries only)www.euro.dell.com (Europe only)www.dell.com/la/ (Latin American countries)www.dell.ca (Canada only)l Anonymous file transfer protocol (FTP)ftp.dell.com/Log in as user: anonymous, and use your e-mail address as your password.l Electronic Support Servicemobile_support@us.dell.comsupport@us.dell.comapsupport@dell.com (Asian/Pacific countries only)support.euro.dell.com (Europe only)l Electronic Quote Servicesales@dell.comCAUTION: If you need to remove the computer covers, first disconnect the computer power and modem cables from all electrical outlets.