As stated in Answering vague support questions (once)?, we should consider having some "canonical posts" for some hardware posts.
Some examples of topics which might benefit from a canonical post:
Problems enabling GPU for cycles:
We could have a canonical answer which covers installing cuda and system drivers (for linux, mac, and windows)
For example, these questions could be answered in a single canonical answer covering common GPU render issues:
Update: A canonical post has been added here.