Please pay attention: attachments can be switched OFF in your profile. You should read instructions and choose options depends on your computer/phone models and browser...

To do it:
1 choose FORUM ACTIONS at top right (black) menu
2. choose EDIT PROFILE
3. at left column choose GENERAL SETTINGS

editprofile.gif

scroll down till 4 and 5, read instructions and make your choose

editprofile2.gif