Missing Boot Drive after an upgrade

You finally upgrade your motherboard and processor, but you can't boot. In fact, you can't even see your harddrive in the BIOS or the OS installer. What the heck is going on? Well, the explanation gets hairy... But thankfully, there are two solutions, and one of them is pretty simple! Articles mentioned in the vid: - Why can’t I see my SSD in a clean install of Windows 11? () - Why can’t I enable CSM on my new motherboard? () - Convert your Windows 10 boot drive from MBR to GPT () - NVMe drive missing or not booting? There’s a simple fix! () - ASUS support FAQ on integrated graphics and CSM () Need a new hard drive or graphics card? Check out my favorites (affiliate links): - Samsung 990 PRO Series 1TB NVMe drive () - Samsung 870 QVO 2TB 2.5“ SATA III SSD () - GIGABYTE GeForce RTX 4060 Ti Gaming 8G graphics card () 00:00 - Intro 00:34 - OS installer can't see boot drive 00:54 - BIOS / UEFI 01:17 - Boot Process 01:30 - MBR vs GPT 02:10 - Need CSM for MBR 02:23 - CSM 02:39 - Fix #1: Convert MBR drive to GPT 03:00 - Fix #2: Graphics card 03:21 - CSM grayed out 04:01 - Recap 04:13 - UPGRADE!! 04:30 - Outro More techie tips: