Tech May 16, 2026 35 min Mageia 9 on a junk Dell Latitude 5310: BIOSConnect trap, RAID→AHCI, keyfile fix Tested Mageia 9 on a junk Dell Latitude 5310: SATA RAID hides the NVMe, BIOSConnect fakes USB boot failure, ifcfg-rh keeps Wi-Fi unmanaged until keyfile migration. Linux Mageia Dell 実験