You don’t need to enable it. It’s only needed if you must install an older OS that doesn’t support UEFI. If you’ve mucked around in the BIOS settings, reset it to defaults and see if your PC boots again. Most BIOSes have a keyboard shortcut to reset to factory default settings.
Should you disable CSM?
You must ensure that your PC’s hard drive and operating system are configured to run in UEFI Mode. … Disabling CSM will disable Legacy Mode on your motherboard and enable the full UEFI Mode that your system requires.
What is CSM BIOS setting?
The Compatibility Support Module (CSM) is a component of the UEFI firmware that provides legacy BIOS compatibility by emulating a BIOS environment, allowing legacy operating systems and some option ROMs that do not support UEFI to still be used.
Which is better UEFI or CSM?
Legacy (CSM) and UEFI are different ways to boot from storage disks (which often take the form of SSD these days). CSM uses an MBR (Master Boot Record) in a specific format of 512 Bytes to boot the operating system. UEFI uses files within a large partition (typically 100 MB) to boot the operating system.
Should secure boot be enabled in BIOS?
Secure Boot must be enabled before an operating system is installed. If an operating system was installed while Secure Boot was disabled, it will not support Secure Boot and a new installation is required. Secure Boot requires a recent version of UEFI.
How do I enable CSM in BIOS?
This option is usually in either the Security tab, the Boot tab, or the Authentication tab. Look for a setting called “Boot Mode”, “UEFI Boot”, “Launch CSM” or whatever else it may be called, change the boot mode from UEFI to Legacy/CSM: disable the UEFI Boot option and enable CSM Boot support.
How do I fix BIOS settings?
How to reset BIOS settings on Windows PCs
- Navigate to the Settings tab under your Start menu by clicking the gear icon.
- Click the Update & Security option and select Recovery from the left sidebar.
- You should see a Restart now option below the Advanced Setup heading, click this whenever you’re ready.
What is ErP in BIOS?
What does ErP Mean? ErP mode is another name for a state of BIOS power management features that instructs the motherboard to turn off power to all system components, including USB and Ethernet ports meaning your connected devices will not charge while in a low power state.
Should I enable UEFI in BIOS?
If you are planning to have storage more than 2TB, and your computer has UEFI option, make sure to enable UEFI. Another advantage of using UEFI is Secure Boot. It made sure that only files which are responsible for booting the computer boots up the system.
Can I change from CSM to UEFI?
1 Answer. If you just change from CSM/BIOS to UEFI then your computer will simply not boot. Windows does not support booting from GPT disks when in BIOS mode, meaning you must have an MBR disk, and it does not support booting from MBR disks when in UEFI mode, meaning you must have a GPT disk.