HP Compaq Presario,Presario R4000 Maintenance And Service Manual page 36

Troubleshooting
Troubleshooting Flowcharts Overview (Continued)
Flowchart Description
2.14 "Flowchart 2.14—No OS Loading, Optical Drive"
2.15 "Flowchart 2.15—No Audio, Part 1"
2.16 "Flowchart 2.16—No Audio, Part 2"
2.17 "Flowchart 2.17—Nonfunctioning Device"
2.18 "Flowchart 2.18—Nonfunctioning Keyboard"
2.19 "Flowchart 2.19—Nonfunctioning Pointing Device"
2.20 "Flowchart 2.20—No Network/Modem Connection"
2–8
Table 2-6
Maintenance and Service Guide