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Technical Support Solutions Guide 10/25/01 Up-To-Date Troubleshooting Information
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Chapter 9 Troubleshooting
This chapter provides descriptions and solutions for some hp dvd-writer drive
hardware and software problems, and is organized as follows:
Up-To-Date Troubleshooting Information
Up-to-date troubleshooting information is available from the following web sites:
http: //www. hp. com/support/dvd-compatibility
http: //www. hp. com/support/dvd-capture
http: //www. hp. com/support/dvd-mydvd
http: //www. hp. com/support/dla
Frequently asked questions and answers are provided in Chapter 6 Tips and
Tech niques.
Release Notes for the hp dvd-writer dvd100i drives are on page 96.
HP Troubleshooting Assistant
More troubleshooting information is available in the browser-based
HP Troubleshooting Assistant, which is installed with the drive.
NOTE:
NOTE: NOTE:
NOTE:
Double-click on the hp dvd-writer icon on the desktop, then click on Help
HelpHelp
Help,
then click on Troubleshooting
TroubleshootingTroubleshooting
Troubleshooting.
Figure 47
Figure 47 Figure 47
Figure 47 hp troubleshooting screen
Improving Drive Performance and Reducing Errors
Enabling Direct Memory Access to Enhance System
Performance
Many computers and computer hardware devices come with a feature called Direct
Memory Access (DMA). When you enable DMA, you accelerate data transfer between
hardware devices because of a shortcut called the DMA channel. The DMA channel
permits data to completely bypass the computer's CPU and travel directly from main
system memory to the intended hardware device. By removing the CPU passageway,
Up-To-Date Troubleshooting Information p. 81
HP Troubleshooting Assistant p. 81
Improving Drive Performance and Reducing Errors p. 81
Software Errors p. 83
Installation p. 84
Making Audio CDs p. 86
Reading CDs p. 86
High Speed CDs p. 88
80-Minute CDs p. 88
Unable to Hear Music p. 90
DLA 2.5 Known Problems p. 91