220-1101 · Question #404
A technician replaces a CPU and then notices the fans are continuously running. The computer randomly crashes after about five minutes. Which of the following should the technician do to prevent this
The correct answer is A. Apply thermal paste.. The continuous fan operation and random crashes after a CPU replacement strongly suggest overheating, which indicates a failure to apply thermal paste between the CPU and its heatsink.
Question
A technician replaces a CPU and then notices the fans are continuously running. The computer randomly crashes after about five minutes. Which of the following should the technician do to prevent this issue from reoccurring?
Options
- AApply thermal paste.
- BUse Trusted Platform Module.
- CReplace the socket.
- DImplement secure boot.
How the community answered
(35 responses)- A77% (27)
- B14% (5)
- C3% (1)
- D6% (2)
Why each option
The continuous fan operation and random crashes after a CPU replacement strongly suggest overheating, which indicates a failure to apply thermal paste between the CPU and its heatsink.
After replacing a CPU, applying thermal paste (or ensuring it's properly applied if pre-applied on the heatsink) is crucial to facilitate efficient heat transfer from the CPU to the heatsink. Without proper thermal paste, the CPU will quickly overheat, triggering continuous fan operation (as the system tries to cool it) and eventually leading to system crashes or shutdowns due to thermal throttling and protection mechanisms.
Trusted Platform Module (TPM) is a security component that provides cryptographic functions and is unrelated to CPU cooling or system stability issues like crashes from overheating.
Replacing the CPU socket is a drastic measure and highly unlikely to be the cause of overheating symptoms following a CPU replacement; improper thermal paste application is a far more common oversight.
Implementing secure boot is a UEFI firmware security feature that helps prevent malicious software from loading during startup and has no bearing on CPU temperature management.
Concept tested: CPU installation best practices - thermal paste
Source: https://learn.microsoft.com/en-us/windows-hardware/design/device-experiences/thermal-management
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