How can I test for hardware failures in my computer?
Question
How can I test for hardware failures in my computer?
Answer
Click on one of the below links for the hardware device you're wanting to test. Or browse through the complete document if you're trying to diagnose whether or not the computer has bad hardware.
Tip: Although hardware failures can occur with your computer, if it is encountering errors, make sure you've exhausted all software troubleshooting. The majority of errors encountered on a computer are caused by software or hardware drivers, and not a failing hardware device. See the basic troubleshooting section for a good starting point in troubleshooting your computer.
Computer hard drive (HDD)
Computer memory (RAM)
Computer motherboard & processor (CPU)
Computer power supply (PSU)
Computer CD/DVD disc drives
Computer hard drive (HDD)
Computer memory (RAM)
Computer motherboard & processor (CPU)
Computer power supply (PSU)
Although there are programs such as speedfan to help monitor the voltage and power supplied to the fans in the computer there is no software utility to test the integrity of computer power supplies.
There are methods of testing the power connectors on a power supply using a multimeter. However, because of the potential damage that can be caused to the power supply, potentially the motherboard and other components connected to it, this information is not posted on Computer Hope. We suggest users who believe their power supply is failing or is already bad, replace it.
Computer CD/DVD disc drives
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