How to Diagnose a Pre-Operating System Load or Hardware Issue
  • How can I find out if my problem is hardware based?
  • If it is, how can I figure out what component is to blame
  • How can I fix other pre-operating system issues?

As an aside, what are all of these components responsible for, and if they break, what can go wrong?

(This question comes up frequently, and the suggested solutions are usually the same. This community wiki is an attempt to serve as the definitive, most comprehensive answer possible. Feel free to add your contributions via edits.)

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1 Answer

How can I tell if my problem is because of my hardware?

  1. Does the problem happen before your operating system loads?
  2. Does the problem happen on different operating systems on the same machine?
  3. Do the errors seem like they have no cause (i.e. random crashes every few days/hours, not linked to any particular program running or time spent with the PC on?

Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.