After installing the Win+Ubuntu dual system, the problem of being unable to enter one of the systems is solved

Problem : After installing the Win+Ubuntu dual system, if you change the SATA Operation to AHCI mode in the BIOS, WIN cannot enter, and if you change it to RAID, Ubuntu cannot enter.
Solution: Change the advanced BIOS to RAID to enter the Windows system, press the Win+R key, enter msconfig and press Enter, check Safe Boot, and restart after confirming.
Enter the BIOS again, change the SATA Operation to AHCI mode, restart the computer and enter Windows, cancel the safe boot and restart.
problem solved.
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Origin blog.csdn.net/qq_38664402/article/details/124085302