I've availed myself of KSKs services a couple of times. One of those times I had a bios chip that…read morehad failed on my motherboard. Sadly the other components of my system would not fit well with the motherboards that could easily be acquired in a timely manner. I was looking at a repair that would take possibly weeks, this for a critically important computer.
KSK instead replaced the bios chip on the motherboard. And it cost me a lot less than it would have cost to replace the motherboard! Good luck finding a tech who can and would do that at most other places.
Not only that, but both times I have called him with a downed system, he has picked it up within hours, and delivered it fully functional either the same day or the next! Do expect to pay a couple hundred for the job, or more if it requires replacing hardware, etc., but he is definitely worth it, especially with pickup and delivery, and I expect likely not more expensive than most other places that won't give you anywhere near the same level of service.