Ok, how to fix that?When the system switches "off", does the LED indicating disk drive activity continue to flash for up to 30 seconds? The computer may still be saving information to SSD or hard disk as part of the shut down process, even after the screen goes black.
It still runing about 10-15 sec.You can't fix it. It's just part of the Windows shut down process. It's saving files to disk.
How long do your fans continue to run after the screen goes dark? Seconds, minutes, hours?