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Troubleshooting falls into two categories:
MacOS
#1 and #2 above
electrostatic discharge
Virus/Spyware/Malware installed on the computer.
Plug a lamp into the same power outlet as the computer to be sure the outlet is working.
cuts
electrical shock
hardware
Transfer of electrical charge between any two objects, although not usually dangerous to the technician, ESD can cause permanent damage to internal computer components, such as RAM
MacOS
#1 and #2 above
electrostatic discharge
Virus/Spyware/Malware installed on the computer.
Plug a lamp into the same power outlet as the computer to be sure the outlet is working.
cuts
electrical shock
hardware
operating system is the software which controls the operation of the computer and its components. Examples are:
MacOS
#1 and #2 above
electrostatic discharge
Virus/Spyware/Malware installed on the computer.
Plug a lamp into the same power outlet as the computer to be sure the outlet is working.
cuts
electrical shock
hardware
Involves troubleshooting of the computer components such as the motherboard, RAM, hard drive, etc.
MacOS
#1 and #2 above
electrostatic discharge
Virus/Spyware/Malware installed on the computer.
Plug a lamp into the same power outlet as the computer to be sure the outlet is working.
cuts
electrical shock
hardware
Hardware troubleshooting may consist of:
MacOS
#1 and #2 above
electrostatic discharge
Virus/Spyware/Malware installed on the computer.
Plug a lamp into the same power outlet as the computer to be sure the outlet is working.
cuts
electrical shock
hardware
Avoid sharp edges on the sheet metal inside some computer cases. Use caution when unplugging some connectors, because they can require much effort and may come apart abruptly, causing injury to the hand.
MacOS
#1 and #2 above
electrostatic discharge
Virus/Spyware/Malware installed on the computer.
Plug a lamp into the same power outlet as the computer to be sure the outlet is working.
cuts
electrical shock
hardware
Common problems of OS troubleshooting include:
MacOS
#1 and #2 above
electrostatic discharge
Virus/Spyware/Malware installed on the computer.
Plug a lamp into the same power outlet as the computer to be sure the outlet is working.
cuts
electrical shock
hardware
Sudden stimulation of the nerves or convulsive contraction of the muscles that is caused by the discharge through the body of electricity from a charged source, OR exposing yourself to live electrical circuits
MacOS
#1 and #2 above
electrostatic discharge
Virus/Spyware/Malware installed on the computer.
Plug a lamp into the same power outlet as the computer to be sure the outlet is working.
cuts
electrical shock
hardware
Check it!