Compaq 12XL300 Models XL300, XL300A, and XL300B - Maintenance & Service Gu - Page 4

Presario 1200XL Series Model XL300, XL300A, and XL300B Preface This Maintenance and Service Guide is a troubleshooting guide that is used as a reference guide when servicing the Compaq Presario 1200 Series Notebook Computers. Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 1200 Series Notebooks without notice. Symbols The following words and symbols mark special messages throughout this guide. Å WARNING: Text set off in this manner indicates that a failure to follow directions in the warning could result in bodily harm or loss of life. Ä CAUTION: Text set off in this manner indicates that a failure to follow directions could result in damage to equipment or loss of data. Important: Text set off in this manner preseats clarifying information or specific instructions. Note: Text set off in this manner presents commentary, sidelights, or interesting points of information. Technician Notes Å WARNING: Only authorized technicians trained by Compaq should repair this equipment. All troubleshooting and repair procedures are detailed to allow only subassembly/module level repair. Because of the complexity of the individual boards and subassemblies, the user should not attempt to make repaires at the component level or to make modifications to any printed circuit board. Improper repairs can create a safety hazard. Any indications of component replacement or printed circuit board modifications may void any warranty. Serial Number When requesting information or ordering spare parts, you should provide the Notebook serial number to Compaq. The serial number location is underneath the Notebook. 2 BEFORE YOU BEGIN PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES