Step 6. Document findings, actions, and outcomes. Hold the fan blades in place when you clean the inside of the computer with compressed air to prevent over-spinning the rotor or moving the fan in the wrong direction.
Spinning the fan blades with the power off, especially by using compressed air, can damage the fan. The best way to ensure the fan is working is to visually inspect it with the power on. A failing power supply could also cause a computer to reboot unexpectedly. If the power cord does not attach properly, then it is likely that the wrong type of power cord is being used.
Each light on the front of the case is powered by the motherboard through a cable that attaches somewhere on the board. If this cable comes loose, a particular light on the front of the case will not work. After the repairs have been completed, continue the troubleshooting process by verifying full system functionality. Once all repairs have been made, the last step of the troubleshooting process is to verify to the customer the problem and the solutions and demonstrate how the solution corrected the problem.
Once the cause of the problem is determined, a technician should research possible solutions, sometimes by visiting various web sites and consulting with manuals.
A burning electronics smell is often detected when a power supply is overloaded and damaged. A technician should seek to determine the exact cause of a computer problem by testing theories of probable cause one at a time, beginning with the quickest and easiest to eliminate.
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Such marketing is consistent with applicable law and Pearson's legal obligations. Pearson will not knowingly direct or send marketing communications to an individual who has expressed a preference not to receive marketing. Where required by applicable law, express or implied consent to marketing exists and has not been withdrawn. Choose two. Which type of RAM chip has the fastest clock rate but consumes the least power and generates the least heat? Which expansion slot would be used to install a video capture card in a new computer?
A technician is helping a customer compare two hard drives. Which unit of measurement is used for the hard drive speed? Which CPU architecture uses a small set of instructions that are designed to be executed rapidly? Which technology would be best to use for drive redundancy and data protection?
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