Which of the following statements are true about Latitude Self$-$Heal recovery? $($Select $3)$

When self$-$heal is triggered, system will auto power$-$on with a blank screen, reboots a couple of times $($watch for the LED lights, Power, Wi$-$Fi$,$ HDD Etc....$).$

Self$-$heal can only be initiated when the coin cell battery & primary battery are not connected to the system.

Self$-$heal is supported on Latitude, Inspiron and Vostro systems.

Self$-$heal can be used to recover from a no POST $/$ no Power $/$ no Video situation.