Windows 11 fails to Wake Up from Sleep mode

I have the same issue, all the fixes I have seen just attempt the very basics "check usb settings, run troubleshooter" etc... Have also seen a lot of posts linking this issue to graphics drivers but I honestly don't think its any of these. I'm on a desktop and my case has a ring led, when the pc goes into sleep mode, the ring led starts to blink about once a second (standby mode), all fans etc are off. I notice that when I move my mouse/tap a key on the keyboard/press the power button to wake up my pc, the fans (including graphics card, cpu etc) all come on, the pc is for all intense and purposes waking up (I even hear the mobo make the same beep it does during a normal power on or restart) but the ring led stays in the same standby mode, blinking every second, this makes me think this is a bios issue as case power led is controlled by the mobo.