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What should I do if the M.2 SSD is not recognized? Bios allows CSM to recognize M.2
With sharp decline in price of SSDs, M.2 SSDs have gradually become mainstream. Compared to conventional SATA SSDs, their speed is much faster because they are also known as future mainstream SSDs. Generally speaking, this faster SSD can be installed if motherboard is equipped with an M.2 interface. However, some users are facing unrecognizable issues while using M.2 SSDs. How to solve this situation?
M.2 SSD
Generally speaking, if motherboard supports M.2 SSDs, but computer cannot recognize them, it can be caused by following two reasons:
1. System version too low
For computers using M.2 SSDs, it is best to install Win8.1 or later. If your computer is running Windows XP or Win7, it may not be recognized.
2. CSM not included in Bios
In addition to system factors, most users are currently experiencing M.2 SSDs that cannot be recognized, mainly due to an issue with CSM settings. For example, in new generation of 3 series and later motherboards, some manufacturers disable CSM by default to speed up startup, making it impossible to find an M.2 SSD in BIOS.
Solution:
1. Restart your computer, press Del key to enter BIOS settings and select ADVANCED option;
2. Enter BOOT settings interface;
3. Find setting "CSM (Compatible Support Module)";
4. Enable CSM and set it to "Enable".
5. Press F10 key to confirm, save settings and exit;
6. Restart your computer and enter BIOS again to find your M.2 SSD.
The above are causes and solutions for an unrecognized M.2 SSD. Hope this will be helpful to everyone. Of course, different motherboards have different settings. You can find CSM in bios settings and then change the configuration. .
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