2. Diagnostics & Performance Tuning ©Richard L. Goldman September 3, 2003

3. © Richard L. Goldman 2 BIOS POST (Power On Self Test) CPU ROM RAM Chip Set Peripherals Output Beep Code Hexadecimal code on I/O port 80h (use post card) Screen Display

4. © Richard L. Goldman 3 DOSWin 95/98Win NT 4.0Win 2000Win XP Task Manager Application Processes Performance Task Manager Application Processes Performance Networking System Tools System Information Disk Cleanup Scheduled Tasks System Tools System Information Resource Meter Administrative Tools Computer Mgmt. Device Manager Event Viewer System Security Applications Local Security Policy Performance System Monitor Logs & Alerts Services AdministrativeTools Computer Mgmt. Device Manager Event Viewer System Security Applications Local Security Policy Performance System Monitor Logs & Alerts Services SCANDISK* SCANDISK32 Disk Tools Error-checking Defragmentation Disk Tools Error-checking Defragmentation REGEDIT MSD*MSCONFIG IPCONFIG*WINIPCFGIPCONFIG*WNTIPCFG / IPCONFIG* CHKDSK*CHKDSK TweakTweak UI