7.pdf This presentation captures many uses and the significance of the number...
003 ho computer basic troubleshooting
1. 3/10/2012
Computer
Basic Troubleshooting
By Franklin Sondakh, S.Kom, M.Th.
Troubleshooting Basics
• Seven step process
• Easiest to Hardest
• Outside In
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7 Steps in Troubleshooting
• Analysis
• Problem replication/identification
• Action Plan
• Implementation
• Testing
• Documentation
• Follow Up
Common Problems
1. Cables
2. Input & Optical Devices
3. Overheating
4. Power problems
5. Electromagnetic Interference (EMI)
6. Electrostatic Discharge (ESD)
7. Windows errors
8. Device drivers
9. Viruses
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3. Overheating
• Blocked vents
• Dust
• Cooling fans
• Power supply
• Room temperature
• Peripheral overload
4. Power Problems
• Black Out- Complete power failure
• Brown Out- Power “sags” below acceptable
• levels causing computer to reboot
• Surges or “Spikes”- Sudden surge of power
(i.e. lightning strikes)
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5. Electromagnetic Interference
• Disebabkan oleh sumber tenaga
listrik yang besar seperti motor,
kabel tegangan tinggi, dsb.
• Gangguan komunikasi terjadi
pada beberapa jenis kabel.
• Menyebabkan gangguan pada
tampilan layar komputer seperti
hujan ataupun bergaris-garis.
6. Electrostatic Discharge
• Static cling
• Environmental causes
• Prevention
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7. Windows Error Messages
8. Device Drivers
• Provide the programs that helps the computer
to “talk” to a peripheral
• Common point of failure
• Can be difficult to fix
• Check the manufacturer’s websites for
notification of upgrades
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9. Computer Viruses
Merupakan program komputer yang
menggandakan atau menyalin dirinya dan
menyebar dengan cara menyisipkan salinan
dirinya ke dalam program atau dokumen lain.
Sifat Virus komputer
• Sulit diperbaiki
• Mudah dicegah
• Penting untuk dipahami dan selalu awas
• Mempunyai tipe yang umum
• Memiliki pertahanan yang baik
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