1. Chapter 9Basic Troubleshooting Techniques  9.1General Troubleshooting Techniques 9.1General Troubleshooting Techniques 9.1General Troubleshooting Techniques  9.2Hardware Troubleshooting 9.2Hardware Troubleshooting 9.2Hardware Troubleshooting  9.3Software Troubleshooting 9.3Software Troubleshooting 9.3Software Troubleshooting

2. 9.1General Troubleshooting Techniques Maintain a positive mindset Do not panic Understand the problem first Keep an open mind Divide-and-conquer Ask “Why” to find the root causes of the problem Be observant Apply the process of elimination Make use of known workable component Use diagnostic tools

3. 9.2Hardware Troubleshooting Check the simple things first Double check any recent installation Check if the device driver of new device is properly installed Read the documentation

4. 9.3Software Troubleshooting Windows software is made of a number of small modules. DLLs (Dynamic Link Libraries) chunks of program code that perform various functions malfunction or crashes may occur when one of DLLs is deleted, changed or corrupted existing DLL file is overwritten shared DLL is deleted when uninstalling applications

5. 9.3Software Troubleshooting Solving software problems Keep the system updated use Window built-up “Update” feature update drivers through web Check for viruses install anti-virus software keep virus definitions updated scan the machine regularly Reinstall application Reinstall OS

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