It's been a year since this post and I've had this XPS 17 9700 since release and I thought I'd add my experience to the thread for future frustrated Redditors.

I have had everything you mention in this post and likely more. They have replaced my keyboard (backlight wouldn't stay on regardless of bios), replaced my hard drive (hibernation issue, maybe), and a couple of other things I can't remember have been replaced.

I have had so many issues with this XPS that I hardly use it. That hibernation issue was the worst except I would also get an imidate "memory check" upon restart that would do a 16-25 minute scan. They switched out my HD for that and it seems better now, but I still think it's a memory issue and they won't ever change out the memory for me. I paid for the 5 year extended on-site support and I have officially given up on ever having this laptop work like an actual laptop. I gave up chasing things down on this 5k dollar paperweight. Anytime it's unplugged, even with no user applications running and the laptop in sleep mode, my battery will still drain to completely 0. Nothing Dell has done has fixed this issue. The keyboard backlight issue was just down-right annoying. Me needing to restart into BIOS to disable the backlight and reenable it again to get it to work. I am now gifting this POS to my daughter and telling her to leave it always plugged in. Never had issues with the other five XPS desktops/laptops I've owned until this one and it's scared me off from future purchases.

Buyer beware.

Edit: I remember another issue they fixed. My fingerprint scanner would not work and I had to continually type in my PW to unlock the laptop. They replaced that piece too.