HP G60 549DX Service Guide - Page 44

7. Replace the RTC battery and reassemble the computer. 8. Connect AC power to the computer. Do not reinsert any batteries at this time. 9. Turn on the computer. All passwords and all CMOS settings have been cleared. Component replacement procedures This chapter provides removal and replacement procedures. There are as many as 72 screws, in 9 different sizes, that must be removed, replaced, or loosened when servicing the computer. Make special note of each screw and standoff size and location during removal and replacement. Serial number The service tag, affixed to the bottom of the computer, provides information that may be needed when troubleshooting system problems. The service tag provides the following information: When ordering parts or requesting information, provide the computer serial number and model number located on the bottom of the computer. Item 1 2 3 Component Product name Serial number (s/n) Part number/Product number (p/n) 4 Model description 5 Warranty period Removal and replacement procedures Description This is the product name affixed to the front of the computer. This is an alphanumeric identifier that is unique to each product. This number provides specific information about the product's hardware components. The part number helps a service technician to determine what components and parts are needed. This is the number used to locate documents, drivers, and support for the computer. This number describes the duration of the warranty period for the computer. 4-5