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Troubleshooting PC Hardware. Troubleshooting Steps. Identify the problem ... Did the problem start after the user installed hardware or software? ...
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Troubleshooting Steps • Identify the problem • Gather Information • Develop & implement a solution • If the problem isn't solved, go back to Step 1 and refine your information. • Document the problem and the solution.
Identify the Problem • After the user describes the problem, attempt to recreate it yourself. • Make note of other factors that exist when the problem occurs.
Gather Information • Did the problem start after the user installed hardware or software? • Did the problem appear suddenly or gradually? • Attempt to recreate the situation leading to the problem. • Use available troubleshooting utilities.
Develop and Implement a Solution • Remove or replace a suspect part. • Uninstall offending software. • Run Antivirus or Antispyware utility. • Verify the problem is solved.
Troubleshooting Hardware • POST Errors • BIOS Error Messages • OS Load Errors • Errors reported by user
POST Messages • Can be audible (Beeps) or visual • Most are related to system memory or cache • Keyboard missing or locked • Video System failure • POST Card
BIOS Messages • May be fatal or non-fatal • Examples • CMOS battery low or dead • Incorrect CPU speed • Incorrect memory size • No boot device • For some errors, easy solution is to reset BIOS to factory defaults.
OS (Windows) Errors • Problems during Windows setup • Graphic video system • Loading Hardware or Drivers • Setting up communications (network) • Boot into Safe Mode (F8) • If Safe Mode is successful, Windows core files are OK, problem is in 3rd party hardware or drivers.
Troubleshooting Windows • Entering Safe Mode (F8) • Basic Safe Mode – Only very basic drivers and system files are loaded. • Safe Mode with Networking – NIC drivers and information files are loaded. • Safe Mode with Command Prompt – Windows GUI is not loaded.