attempting to boot TWRP gives blank screen

[gardina]

I don't really want to flash TWRP if it's not necessary to and I can just boot into it. And i'd rather see that I can boot into it before I flash it.

I understand that if i'm in the boot loader screen then I can issue the command fastboot boot twrp.img and it should go into the twrp boot loader without me needing to flash the boot loader to be twrp.

But it seems for some reason that when I issue that command I get a blank screen. The phone restarts and goes to a blank screen.

My phone is a nexus 4. I have android 4.3

I have downloaded twrp, from https://dl.twrp.me/mako/ I've tried the latest, that's
twrp-3.0.2-0-mako.img and i've tried the oldest, that's twrp-2.3.2.3-mako.img and I face the same issue

TIA

 

[audit13]

The bootloader is unlocked?

 

[gardina]

Yeah, bootloader is unlocked.

In the end I decided to forget about that command (fastboot boot twrp.img) and just flash the recovery. so, this command fastboot flash recovery twrp.img

I made sure to have the stock recovery too (recovery.img from an archive file from https://developers.google.com/android/nexus/images )
so I could flash that it back to stock, if flashing twrp recovery didn't work. But it worked.

I guess maybe the reason why I got/would get/get a black screen with my command, was because fastboot boot blah.img is to boot a kernel, not to boot a recovery? (I don't know if my terminology is all wrong?)