Transcript UNIT 14 - Installation Risks.pptx

UNIT 14: INSTALLING &
MAINTAINING
COMPUTER HARDWARE
Post Install Considerations:
What risks can you think of based on your
learning to date?
Post Install Considerations:
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Static electricity can damage electronic circuits
Can be as little as 10 volts
Builds up on people and equipment normally
A spark requires 30-40,000 volts/cm
Discharged by grounding to earth
Via mains cables for equipment
Via an earth strap for people
By touching an earthed component (bare
metal)
Keep equipment in anti-static bags
Use antistatic mats
Post Install Considerations:
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Static electricity can damage electronic circuits
•
Can be as little as 10 volts
•
Builds up on people and equipment normally
•
A spark requires 30-40,000 volts/cm
•
Discharged by grounding to earth
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Via mains cables for equipment
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Via an earth strap for people
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By touching an earthed component (bare metal)
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Keep equipment in anti-static bags
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Use antistatic mats
Equipment Damage:
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Stripping screw threads
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Dropping equipment
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Bending pins
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Loosening cables
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Unseating cards
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Have respect for the tools
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Chose the right tools
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Work carefully, avoid rushing
Risks to Data:
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Data loss
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Formatted or broken hard disk drives (HDD)
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Data corruption
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Not lost, but not trusted or usable
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Damaged on copying
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Unreadable files
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Always back up before starting
Service Loss:
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Loss of service to users
Equipment or software unavailable
Loss of productivity
Costs to organisation
Costs to organisation
Loss of business
Loss of reputation
Loss of money
Install out of office hours
Provide alternative equipment
Health and safety regulations:
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Take responsibility for your own and others
health and safety
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Do not cause any electrical hazards
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Ensure workstations meet safety
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Ensure workstations meet safety
requirements
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Report any accidents