User manual COMPAQ EVO N600C MAINTENANCE AND SERVICE GUIDE

[. . . ] b Maintenance and Service Guide Compaq Evo N600c Document Part Number: 235393-001 August 2001 This guide is a troubleshooting reference used for maintaining and servicing the notebook. It provides comprehensive information on identifying computer features, components, and spare parts, troubleshooting computer problems, and performing computer disassembly procedures. © 2001 Compaq Computer Corporation Compaq, Evo, the Compaq logo, and Premier·Sound are trademarks of Compaq Information Technologies Group, L. P. Microsoft and Windows are trademarks of Microsoft Corporation. Intel and Pentium are trademarks of Intel Corporation. [. . . ] Replace hard drive. N N Can bad sectors be fixed?Run diagnostics and follow recommendations. Y N Fix bad sectors. Replace hard drive. Y Done 2­22 Maintenance and Service Guide Troubleshooting 2. 13 No OS Loading from Diskette Drive Y OS not loading from diskette drive. Bootable diskette in drive? N Install bootable diskette and reboot computer. N N Boot from another device?Go to Section 2. 17, Nonfunctioning Device. Y Check diskette for system files. Try different diskette. Y N Diskette drive enabled in the setup utility?Replace system board. Y Y Diskette drive boot order. Refer to Section 1. 2, "Clearing a Password, " for instructions. N Y OS loading?Done N N Change boot priority using the setup utility. Go to Section 2. 17, Nonfunctioning Device Maintenance and Service Guide 2­23 Troubleshooting 2. 14 No OS Loading from CD- or DVD-ROM Drive No OS loading from CD- or DVD-ROM drive. Y Disk in drive?Bootable disk in drive? N N Install bootable disk. Y Try another bootable disk. Install bootable disk and reboot computer. Y Boots from CD or DVD?Done N N Booting from another device?Go to Section 2. 17, Nonfunctioning Device. Refer to Section 1. 2, "Clearing a Password, " for instructions. Y Y Booting order correct? N Correct boot order using the setup utility. Go to Section 2. 17, Nonfunctioning Device 2­24 Maintenance and Service Guide Troubleshooting 2. 15 No Audio, Part 1 Y No audio Turn up audio internally or externally. Done N Y Notebook in docking station (if applicable)?Undock Internal audio? N Go to Section 2. 16, No Audio, Part 2. N Y Replace the following docking station components one at a time as applicable. Replace backplane board. Go to Section 2. 16, No Audio, Part 2. Y Go to Section 2. 17, Nonfunctioning Device Audio?Done N Maintenance and Service Guide 2­25 Troubleshooting 2. 16 No Audio, Part 2 Continued from Section 2. 15, No Audio, Part 1 N Audio driver in OS configured?Reload audio drivers. Y N Correct drivers for application?Load drivers and set configuration in OS. Y Connect to external speaker. N Audio? Y Replace audio board and speaker connections in notebook, if applicable. Y Audio?Replace system board. 2­26 Maintenance and Service Guide Troubleshooting 2. 17 Nonfunctioning Device Nonfunctioning device Reseat device. Unplug the nonfunctioning device from the notebook, inspect cables and plugs for bent or broken pins or other damage. Y Clear CMOS. Fix or replace broken item. N Reattach device. Close notebook, plug in power, and reboot. [. . . ] Certain restrictions and exclusions apply. Consult the Compaq Customer Support Center for details. 6­4 Maintenance and Service Guide Specifications Table 6-3 Hard Drives (Continued) 30. 0 GB Physical configuration Cylinders3 Heads Sectors per track3 Bytes per sector Buffer size3 Disk rotational speed (rpm) Transfer rate Interface max (MB/s)2 Media (Mb/s)3 11 2System 20. 0 GB 15. 0 GB 22, 784 6 293­560 512 2 MB 4200 22, 784 4 293­560 512 2 MB 4200 25, 800 2 398­731 512 512 KB 4200 66. 6 109­203 66. 6 109­203 100 155­256 GB = 1, 000, 000, 000 bytes. 3 Actual drive specifications may differ slightly. Certain restrictions and exclusions apply. [. . . ]