How To Disable Or Enable CSM On ASRock Motherboard BIOS

The CSM characteristic on ASRock permits legacy BIOS assist within the UEFI firmware. It is simply potential to allow pure UEFI firmware mode when this characteristic is Off. 

Depending in your motherboard and BIOS model, you have to to disable it to allow UEFI options like Secure Boot or Resizable Bar. However, if you wish to boot into MBR-based boot gadgets as an alternative of GPT ones, you could allow this characteristic. 

Regardless of whether or not you wish to allow or disable it, you’ll want to entry the UEFI interface, head over to the Boot part and alter the related setting.

1. Power up or restart your laptop.
2. After you get to the ASRock brand display, press F2 or Del key to get to the BIOS/UEFI. You may use different strategies from our article, How to Get to BIOS if the BIOS key doesn’t work otherwise you don’t see the emblem display.
3. Press F6 to get to Advanced Mode if obligatory.
4. Go to the Boot tab.
5. Look for Compatibility Support Module (CSM) and go inside this setting. If you don’t see it, you have to to disable Fast Boot first, then it ought to seem.
6. Select CSM and set it to Disabled or Enabled relying in your want. Press Enter.
7. Go to the Exit tab.
8. Select Save Changes and Exit after which click on on Yes.

If you get the “Display Device does not support UEFI Graphics Output Protocol (GOP)” or an analogous error, it normally signifies that your GPU makes use of the legacy vBIOS as an alternative of UEFI GOP. Such GPUs should not appropriate with UEFI mode, so it will not be potential to disable CSM mode in the event you use them.