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Troubleshooting & More Documentation

If the in-room microphone is too quiet or unresponsive
  1. Make sure Zoom is running and sound input is set to TesiraForte
  2. Move the cursor to the  in the very upper left of the Mac's screen
  3. Select System Settings (second item on list); the following dialog will be displayed
    TesiraForte.jpg
  4. Select Sound in the left-hand pane (shown above in red rectangle)
  5. Select Input, then TesiraForte
  6. Drag and drop the Input volume slider, which the green arrow is pointing to, all the way to the left (minimum)
    Let go, wait a few seconds, then drag and drop the Input volume slider all the way back to the right (maximum)
  7. You should now see activity in the Input level meter below the Input volume slider, after a few seconds

In-room mikes still not working?
FIRST try rebooting the computer you're using, THEN try power cycling using the powerstrip switch near the front of the A/V cabinet
PSB301TF.jpg
Laptop not seeing in-room cameras or mikes?
Try plugging and replugging the green ethernet cable from the coupler
Laptop display not being projected? Try un-plugging and re-plugging power
from the back of the video switch mounted under FRONT table
PSB301.JPG PSBVidSw.jpg


  • If the in-room Mac Mini presents you with a login screen:
    1. Try rebooting
    2. If you still get a login screen after rebooting:
      • login credentials are on a sticker affixed to this piece of paper and/or the bottom of the in-room keyboard
  • For flaky Mac USB (example symptom: speaker or microphone works a while, then fails),
    • Try troubleshooting steps for PSB-301 at top of this page, or try rebooting.

Please also submit a Service Request with a problem report.

PSB470 Schematic (PSB301 hardware nearly identical to PSB470 hardware)
PSB470schematic.jpg

Topic revision: r15 - 24 Nov 2025, MichaelRoman
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