Robert Bosch GmbH 1 689 989 330 | 2016-11-30
Troubleshooting | DCU 220 | 39 | en
Chapter 8
Troubleshooting
Computer problems can be caused by hardware, software, or both. When you encounter
any problem, it might be a typical problem that can easily be solved.
This chapter tells you what actions to take when solving common DCU 220 problems.
Preliminary Checklist
Here are helpful hints to follow before you take further actions when you encounter any
problem:
Try to isolate which part of DCU 220 is causing the problem.
Make sure that you turn on all peripheral devices before turning on DCU 220.
If an external device has a problem, make sure that the cable connections are correct
and secure.
Make sure that the configuration information is properly set in the BIOS Setup program.
Make sure that all the device drivers are correctly installed.
Make notes of your observations. Are there any messages on the screen? Do any
indicators light? Do you hear any beeps? Detailed descriptions are useful to the
service personnel when you need to consult one for assistance.
If any problem persists after you follow the instructions in this chapter, contact an
authorized dealer for help.
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