Text box not appearing in a Messages conversation

messages

I have a recurring problem in Messages on my Mac where, in one group conversation in particular, the text box occasionally disappears. Instead of having a text box at the bottom of the screen I can type into, the conversation simply goes all the way down. When this happens, the text box still appears in every other conversation; I can also still send messages in that conversation from my iPhone. It disappears only on my Mac, and only on that one conversation. The problem persists when I shut down Messages and start it back up. Sometimes the text box comes back, and then later disappears again, on a pattern that I have not been able to discern.

Any thoughts?

Messages 8.0
Mac OS 10.10.2

Best Answer

From another site, try disabling and then re-enabling the account in question as follows.

Within the Messages app:

  • Select the conversation that has the problem (I don't know that this is necessary, but I did it anyway)
  • Go to Messages->Preferences...->Accounts
  • In the box at the left hand side, select the account in question -- it will probably be your Apple ID with "iMessage" below it
  • Then over on the right, make sure "Settings" (and not "Blocked") is selected near the top
  • Still on the right, underneath your Apple ID, uncheck "Enable this account"
  • At that point, back in the main Messages app you should see the text box reappear at the bottom of the conversation
  • Then re-check "Enable this account"

Done.

P.S. This was done on OS X El Capitan (Version 10.11.1), and Messages app version 9.0 (5084)

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