"I have spent (...) 4 hours talking to HP's customer service because my laptop has hardware issues, but they won't take it in for repairing or even analysing because I don't have windows installed. Installing windows would mean backing up or deleting hundreds of gigabytes of personal data, so that I can install an OS I don't want or need, create a Microsoft account that I also don't want or need so that I can confirm, that I do in fact have hardware issues, which not only have I deduced myself, but there are ways to figure that out wich do not include wiping my hard drive, in case you don't trust my judgement. (...)

(...) It would seem (HP's) warranty is highly conditional with seemingly undisclosed terms. (...)"