How do I reblog text posts as text posts and not links on tumblr?

[No One Here]

I've had my blog for about two months now, and I was able to reblog text posts as text posts perfectly fine by just changing the post from Link to Text at the top of the reblog box. In the last week or so, though, any time I try to change it to a Text post, the whole post just goes white, and even if I find the reblog button with my mouse and click it, it still reblogs as a link. I know it's not just taking a long time to load because no matter how long I leave it up, it stays white.
*I'm on my computer.

[Brandi]

It depends what your using for tumblr are you on Mobil or computer?