Learning unit 4 Flashcards
True/False- A system can get unstable and components can fail if the processor, motherboard, memory modules, expansion cards and other components over heat
True
List the devices used to cool a system
CPU and case fan, coolers, heat sinks, liquid cooling system
What are the rules to cool the computer case?
-Keep the case closed
-Clean the inside of the computer
What do computer systems use to keep temperatures below the processor max temperature?
A cooling assembly
List the reasons to replace a power supply
-Power supply fails
-The power supply in the existing system is inadequate
What is the temperature range of a good processor ?
32-43 degrees Celsius
List all the important power supply feature considerations
-Form factor
-Watt ratings
-Number and type of connectors
-Fans inside the Power supply unit
-Dual voltage options
Define a rail
Its each unit provided by the power supply
List the strategies to troubleshoot
-Interview user
-Backup data
-Establish a theory
-Test theory
-Plan the fix and resolve the problem
-Check system and take preventive action
-Document
What should you include when you document?
-Initial symptoms
-Source of problem
-Trouble shooting steps
-How you fixed it
List the trouble shooting resources
-Internet
-Manuals
-Forums
-Technical support
Mention the trouble shooting rules
-Approach problem systematically
-Establish priorities
-Beware of user error
-Take your time
What are the steps to use to form your best guess
-Reproduce the problem and observe the user’s description
-Decide if it is hardware/software related
-Make a guess
Mention the symptoms of a problem with the electrical system
-Computer appears dead
-Computer locks during boot
-Smell burnt parts
-Computer unexpectedly shuts down
What should you do to fix an electrical system issue ?
-Consider the power supply inadequate
-Suspect the power supply faulty
-Do not operate the computer if the fan does not work
