Room Display Not Updating?
A 7-Step Fix (Any Brand)

Short answer: when a room display shows stale or missing meetings, the cause is almost always one of seven things, in roughly this order of likelihood: WiFi silently dropped, normal polling delay, an expired auth token, changed room permissions, a booking that never actually invited the room, a timezone mismatch, or a stuck device. Work the list top to bottom — most cases resolve at steps 1–3. This checklist applies to any calendar-connected room display or digital signage screen, The Room Display included.

Step 1: Is it actually online?

The display can look perfectly normal while showing data from an hour ago. Check the WiFi indicator, or open any website on the device. The sneaky version is a captive portal: guest and office networks that require periodic re-acceptance will quietly cut the display off while WiFi still shows as "connected." Put display devices on a network without portal re-auth. We've written up how displays should behave when WiFi drops — a good display tells you it's offline instead of pretending.

Step 2: Are you expecting the wrong speed?

Displays poll the calendar; they aren't pushed every change instantly. If you booked a meeting 20 seconds ago and the display hasn't reacted, that's not a fault — changes typically appear within about a minute (The Room Display refreshes every 30 seconds). If it's been five minutes, keep reading.

Step 3: Has the authentication expired?

The most common "worked for months, died on Tuesday" cause. Someone changed the password on the account the display uses, admin revoked a session, or an OAuth token lapsed. The fix is the same everywhere: open the display's settings and re-authenticate. If your display uses a Google service account, check the key wasn't deleted in Google Cloud Console.

Step 4: Did the room's permissions change?

The display authenticates fine but can no longer read the room. On Google Workspace, a service account or user can lose access to the resource calendar when sharing settings or domain-wide delegation scopes change. On Microsoft 365, room mailbox permissions can be reset by policy or tenant migration. Test: open the room's calendar in a browser as the same account the display uses. If you can't see events there, the display can't either.

Step 5: Was the meeting ever on the room's calendar?

The classic phantom booking: someone typed "Meeting Room 2" into the location text field of their personal calendar event without actually inviting the room resource. Their calendar says Room 2; the room's calendar is empty; the display — correctly — shows the room as free. The display reads the room resource, not people's personal calendars. Here's how to book so meetings reach the display, which is worth circulating to the whole office.

Step 6: Do the timezones match?

If meetings appear but at the wrong times — often exactly 1 or 2 hours off — compare the timezone on the room resource (Google Admin console / Exchange room mailbox settings) with the timezone on the display device. A room mailbox created in UTC with a display in Copenhagen produces reliably confusing results.

Step 7: Is the device itself stuck?

Last on the list because it's rarer than people assume: a pending OS update holding network in a weird state, or an app that's been running for eight months meeting a rare edge case. Restart the device and check for updates. If the screen is dark rather than stale, that's a different problem — see why iPad screens go dark and how to stop it.

When it's none of these: the vendor's cloud

If you've cleared all seven and other internet things work on the device, check your display vendor's status page — displays that route calendar data through the vendor's own cloud go stale whenever that cloud has a bad day, and there's nothing to fix on your end but waiting. This failure mode is architectural: a display that talks directly to the Google or Microsoft calendar APIs (as The Room Display does) has no vendor middle-tier to go down. Your calendar provider can still have an outage, but that outage is visible, rare, and fixed by teams considerably larger than any display vendor's.

FAQ

Why is my meeting room display not showing my meeting? Most often the meeting was never on the room's calendar — the room was typed as location text instead of invited as a resource. Check the room's own calendar in a browser first.

How often do room displays refresh? Typically every 30–60 seconds by polling. Near-instant updates aren't the norm, and a minute-old display is healthy behavior.

Why did my room display stop working after a password change? The display's saved authentication became invalid. Re-authenticate in the display's settings — and consider a service account or dedicated account so personal password rotations stop taking screens down.

The Room Display connects any iPad directly to Google Workspace or Microsoft 365 — no vendor cloud to go down between your calendar and the screen. $99 once.