Hi, I have a Dell Latitude 3540 on Windows 10 and I can't get into safe mode.

I hit F8 at boot and it brings me to a screen that has windows defender offline on it.  If I either cancel that or let the scan run, it reboots again after. 

If I have multiple failed reboots, that also takes me to windows defender offline.

I can't get into windows due to a blue screen each time (I know the problem if I could only get into safe mode to resolve it).

How do I get to the recovery menu instead of windows defender offline?

Any assistance is much appreciated!