UPDATE: The problem went away when I replaced the RAM with Kingston HyperX.
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Been trying to install some flavor of Linux on my new NUC all day but it keeps freezing randomly. Both mouse and keyboard stops working. Once it happened while I was in Intel Visual BIOS.
NUC6i3SYH, 1 * 4GB Corsair in lower slot, wired keyboard and mouse, wired ethernet, HDMI to monitor.
I managed to install Ubuntu 15.10 to an old Hitachi HD, but I removed it to eliminate it as a source for the problems. While I was booting off the HD I tried installing Steam and its downloader complained a couple of times about checksum errors before the whole computer froze as usual.
I have reset the BIOS (F9).
I can (usually) boot Ubuntu off a USB stick, but if I open Firefox and browse the web it freezes within a couple of minutes. The Ubuntu LiveUSB has an option to verify its files, and doing this tells me that some files are corrupted. However, if I run the exact same test on my PC it says all files are ok. I've tried two USB sticks, one USB 2 and one USB 3, with the same result.
MemTest86 has currently been running for more than 1 hour without any errors.
Possibly unrelated error:
Visual BIOS always says network disconnected, even though I have cable connected (leds are on, and it works if I run an OS) and disabled legacy boot.