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PC Maintenance and Troubleshooting

PC Maintenance and Troubleshooting . ACS Emran Gazi Ben Gilbert. Topics. Introduction Maintenance of your PC Troubleshooting of your PC. Case, power supply Motherboard and CPU Memory Video Card Hard Drive and floppy drive CDROM DVDROM or Burners. Zip Drive of Tape Drive

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PC Maintenance and Troubleshooting

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  1. PC Maintenance and Troubleshooting ACS Emran Gazi Ben Gilbert

  2. Topics • Introduction • Maintenance of your PC • Troubleshooting of your PC

  3. Case, power supply Motherboard and CPU Memory Video Card Hard Drive and floppy drive CDROM DVDROM or Burners Zip Drive of Tape Drive Keyboard and mouse Speakers and monitors Sound Card Modem and Network Cards What does a PC consist of?

  4. Daily Maintenance • Update Anti-Virus • Update Ad Blockers • Delete temporary files from your hard drive. • Reboot when a program crashes

  5. Weekly Maintenance • Scandisk • Defragment • Backup your data • Run full scans for Viruses and Adware • Check your startup programs. • Clean your internet browser cache.

  6. Monthly Maintenance • Run a Registry scanner to: Remove corrupted, unused, or unnecessary keys. • Update drivers and BIOS • Update your programs • Remove unused programs • Conduct a full diagnostic check

  7. Adware • Excessive Pop-ups • Unwanted toolbars • In your face Ads

  8. Service and Cleanup • Dust can build up between connections • Dust can clog fans and heat sinks • Keyboard and mouse • Printer • Let a local expert diagnose your hardware and software configurations

  9. Safety Hardware • Surge Protector • UPS

  10. Troubleshooting

  11. Motherboard Problems • Won’t boot • Upgrade BIOS • CMOS Battery • Beep Codes

  12. CPU Problems • Insufficient cooling • Lockups • Won’t boot or power on

  13. Memory Problems • Frequent system errors • High density Issues

  14. The system becomes incredibly slow Cyclic Redundancy error Disk is not formatted error Non system disk error Virtual Memory Chkdsk Sounds Hard Drive Problems

  15. Syntax Usage: CHKDSK [drive:][[path]filename] [/F] [/V] [/R] [drive:] Specifies the drive to check/F Fixes errors on the disk/V Displays the full path and name of every file on the disk/R Locates bad sectors and recovers readable information/C NTFS only: skips checking of cycle within directory tree/I NTFS only: performs a less vigorous check of index

  16. Boot up Problems • Nothing at all happens when you turn on the computer. • You can hear the machine booting, but do not see an images on the screen. • The computer is making a clicking or banging noise and will not boot. • The machine starts to boot into Windows and then locks up or gives error message. • The computer is booting into Safe Mode.

  17. Common Errors • Illegal operation • General Protection Fault • Fatal Exception • Windows Protection (Drivers) • Kernel32.dll

  18. No Power, No Sound Power but no video Power and video but does not boot up Locks up. Noises Computer is suddenly very slow Errors Individual Problems

  19. Last Known Good Configuration • Press F8 while booting windows • Provides a way to recover from problems such as a newly added driver that may be incorrect for your hardware. • It does not solve problems caused by corrupted or missing drivers or files. System Restore

  20. Errors while booting Windows • When the system.ini or Registry refers to a device or application is not available. • Errors after desktop • Lockups and Reboots • MSCONFIG > STARTUP

  21. Hard Drive Drivers Devices Applications After new Hardware Flaky memory Heat Buildup BSoD (Blue Screen of Death)

  22. The POST will test: • The power • CPU • Memory • BIOS • Video • Drive controllers

  23. Beep Code Descriptions Beep Codes(AMI) 1 short DRAM refresh failure 2 short Parity circuit failure 3 short Base 64K RAM failure 4 short System timer failure 5 short Process failure 6 short Keyboard controller Gate A20 error 7 short Virtual mode exception error 8 short Display memory Read/Write test failure 9 short ROM BIOS checksum failure 10 short CMOS shutdown Read/Write error 11 short Cache Memory error 1 long, 3 short Conventional/Extended memory failure 1 long, 8 short Display/Retrace test failed

  24. Internet • Firewall

  25. Laptop Problems • Battery • Cooling • Power Connection • Inverter and VGA Cable • LCD

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