PC Maintenance and Troubleshooting

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PC Maintenance and Troubleshooting

• ACS
• Emran Gazi
• Ben Gilbert

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Topics

• Introduction
• Maintenance of your PC
• Troubleshooting of your PC

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What does a PC consist of?

• 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

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Daily Maintenance

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

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Weekly Maintenance

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

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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

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Adware

• Excessive Pop-ups
• Unwanted toolbars
• In your face Ads

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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

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Safety Hardware

• Surge Protector
• UPS

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Troubleshooting
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Motherboard Problems

• Wont boot
• Upgrade BIOS
• CMOS Battery
• Beep Codes

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CPU Problems

• Insufficient cooling
• Lockups
• Wont boot or power on

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Memory Problems

• Frequent system errors
• High density Issues

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Hard Drive Problems

• The system becomes incredibly slow
• Cyclic Redundancy error
• Disk is not formatted error
• Non system disk error

• Virtual Memory
• Chkdsk
• Sounds

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Syntax Usage CHKDSK drivepathfilename
/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
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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.

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Common Errors

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

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Individual Problems

• 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

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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

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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 gt STARTUP

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BSoD (Blue Screen of Death)

• Hard Drive
• Drivers
• Devices
• Applications
• After new Hardware
• Flaky memory
• Heat Buildup

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The POST will test

• The power
• CPU
• Memory
• BIOS
• Video
• Drive controllers

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Beep Codes(AMI)
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Internet

• Firewall

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Laptop Problems

• Battery
• Cooling
• Power Connection
• Inverter and VGA Cable
• LCD