CSM Legacy Mode

Forum discussion tagged with CSM Legacy Mode.
  1. Gartri

    Question Can I boot to an MBR disk?

    Hi everyone. I just have one small question: can I boot to an MBR disk on UEFI with the CSM function enabled? Thank you in advance
  2. H

    Question System not recognizing clean installed Windows 10/11 ?

    I just built a new pc. When I go to install setup Windows 10/11 via USB it goes fine, but after the setup is done and it restarts, the system is not able to boot up from the ssd. When pressing F11 and going to boot manager, it doesn't show any drives. I have tried UEFI and CSM install, neither...
  3. M

    Question Why does disabling CSM in my Aorus X570 Elite m/board prevent me from booting the PC?

    I have an Aorus X570 Elite motherboard, and have Windows 10 installed (full system specs here). I have four monitors (one in front of me, one to my left and two to my right, stacked vertically), and when I boot into the BIOS, it always displays on the lower left one. I'm thinking of installing...
  4. eses125

    Question Error when Change Booting System to Uefi

    I have a laptop without a screen, I use it on an external monitor using a vga output, its boot system was csm and I modified the BIOS to use another hard that boots via uefi and when saving the setting, I rebooted and the screen became black and there is no response, I tried several ways such as...
  5. Borracho

    [SOLVED] If your TPM is alright but Health Check still says no...

    ...in all likelihood your BIOS still has CSM turned on...
  6. aranorde

    [SOLVED] GPT SSD missing when disabling CSM in BIOS?

    Both my disks are GPT. PNY XLR8 CS3030 256GB Nvme M.2 SSD (OS) TeamGroup GX2 1TB SATA SSD (Games and stuff) When i disable the CSM and switch to UEFI, only the boot drive (M.2) is showing up and the SATA SSD is not showing up. According to this post, MBR will not be shown from the BIOS when...
  7. K

    [SOLVED] Installing windows 7 freeze on logo

    I am trying to install windows 7 on a h410 motherboard with g6400. I am installing using a usb key. When I selected to boot from the usb, I press any key to start the installation. When I get to the windows 7 swirly logo the screen freezes. I tried to turn on CSM in the bios but when I do...
  8. D

    [SOLVED] No bootable devices despite SSD connected (Asus B460-G ROG Strix - Samsung 860 QVO 1TB)

    Hi looking for some guidance and been trawling previous posts ref. the same topic and found no resolution based on two key factors. As a brief preface the SSD I am trying to use as a boot was previously the boot drive in the older system, has my files on it & I don't have a spare to backup...
  9. A

    [SOLVED] Legacy/CSM boot on Asrock X570 Phantom Gaming 4/4s

    Hi :) I'm currently considering the purchase of a motherboard with 8 sATA3 ports. The cheapest options in my region are from Asrock: - Asrock X570 Phantom Gaming 4 - Asrock X570 Phantom Gaming 4s However, I need the system to boot in legacy/CSM mode. UEFI won't work. It seems like some users...
  10. A

    Question My PC cannot find any bootable device

    My PC worked fine. Today i had to unplug it because i had to move it to another place. When I turned on it only booted to the BIOS. In the Boot menu it says: The system cannot find any bootable devices. I have 1 SSD (with the OS) and 2 HDD in my PC, and the system sees it (so all of them are...
  11. fahmadi

    Discussion What's the deal with CSM?

    I have ASRock Deskmini A300 that runs fine until one day it stops booting. There is video signal to the screen but it just a black screen and no response from keyboard By turning on the PC without nvme drive, it finally enters UEFI menu. I thought my nvme drive is going to bust so i bought...