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Continue to ChatFixing Lenovo ThinkStation M-2 Boot Disc 4 - BIOS select boot device screen https://krisbunda.com/blog/2015/08/07/lenovo-thinkstation-probs-bios-windows7-on-m-2-ssd-install/fixing-lenovo-thinkstation-m-2-boot-disc-4-bios-select-boot-device-screen/