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Linus Torvalds says some Windows blue-screen crashes blamed on buggy software may actually stem from unreliable hardware. He made the point during a December 2025 PC-building video with Linus Tech Tips host Linus Sebastian—but offered no data to show how many crashes have that cause. His comments are a reliability argument, not a measured verdict on Windows BSODs.
What Torvalds said about Windows blue screens
In the Linus Tech Tips video Building the PERFECT Linux PC with Linus Torvalds, Torvalds discussed the familiar reputation of Windows for crashes. It’s FOSS placed the BSOD remarks at about 9:37, after a discussion of error-correcting memory. The video is a PC build and interview with host Linus Sebastian; HotHardware reports that the build included an AMD Threadripper 9960X processor and Intel Arc B580 graphics card.
It’s FOSS reproduced Torvalds as saying that “a big percentage” of Windows blue-screen complaints were not software bugs, but unreliable hardware. That wording is his qualitative opinion. The coverage provides no percentage, crash dataset, or study establishing the causes of Windows blue screens, so it cannot support a claim that most BSODs—or any specified share—come from faulty memory or other hardware.
Why ECC memory matters to his argument
Torvalds connected system reliability to his preference for error-correcting code (ECC) memory. PC Gamer reproduced his remark: “I do not touch machines that don’t have ECC.” In the same coverage, he described using a non-ECC system that ran for a time before compile errors and segmentation violations appeared. After days of investigation, he concluded that the machine itself was unreliable.
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That story explains why Torvalds values ECC, but it is a personal account—not evidence that ECC prevents Windows blue screens. ECC memory can detect and correct certain memory errors, but it cannot rule out other hardware faults, software defects, driver problems, or every cause of a crash.
What this means if your Windows PC crashes
A blue screen is a symptom, not a diagnosis. Torvalds’s comments are a reminder not to assume every crash proves Windows itself is at fault; they are not a reason to assume hardware is always to blame. His comments also included a caution about overclocking as a potential source of added unreliability, as reported by It’s FOSS and PCWorld. That is his reliability perspective, not a universal finding about every overclocked system.
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- Look for patterns: whether crashes began after a hardware change, appear under heavy load, or accompany other instability can help guide troubleshooting.
- Consider both hardware and software causes rather than treating the BSOD alone as proof of either one.
- If considering ECC, check the processor and motherboard specifications together. ECC support depends on the platform; an ECC kit by itself does not make an incompatible system use error correction.
What the comments do—and do not—establish
The reporting on the video was published by It’s FOSS and PC Gamer on December 3, 2025, PCWorld on December 5, and HotHardware on December 8. It documents Torvalds’s opinion and anecdote, not a statistical assessment of Windows crash causes. The useful takeaway is narrower: hardware reliability can be part of the explanation for crashes, and a blue-screen complaint alone does not identify the root cause.
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