Body
Questions
- Why can't I AirPlay to the Roku TV in my dorm room?
- How do I mirror my screen to a TV on the Bowdoin network?
- Why isn't my phone connecting to the Roku TV over Wi-Fi?
- Can I cast from my iPhone to a Roku TV at Bowdoin?
- Why does AirPlay work on Apple TV but not on other TVs at Bowdoin?
- My phone is on a different Wi-Fi network than the TV — how do I connect?
- Why won't screen mirroring work in my residence hall?
- Can I use Chromecast or Miracast on the Bowdoin network?
- Why does wireless casting fail at Bowdoin even when the TV is on Wi-Fi?
- What wireless presentation options are available at Bowdoin?
Environment
This article applies to all Bowdoin College students, faculty, and staff who want to cast or mirror content wirelessly to a TV or display device on campus. This covers any personal or Bowdoin-issued device attempting to use AirPlay, screen mirroring, Chromecast, or similar wireless casting technologies.
- Who: All Bowdoin College students, faculty, and staff
- Devices attempting to cast: iPhone, iPad, MacBook, Android phone, or any personal device connected to the Bowdoin wireless network
- Display devices in scope: Roku TVs, smart TVs, Chromecast devices, and Apple TV units on campus
- Network: Bowdoin PSK (Pre-Shared Key) Wi-Fi network used by TVs and game consoles; standard Bowdoin Wi-Fi used by phones and laptops
Resolution
Why Wireless Casting Fails at Bowdoin
Bowdoin College operates multiple separate wireless networks. Personal devices such as phones and laptops connect to the standard Bowdoin Wi-Fi network, while devices like Roku TVs, smart TVs, and gaming consoles connect to a separate network called Bowdoin PSK (Pre-Shared Key). Because these are two distinct networks, devices on one network cannot directly discover or communicate with devices on the other.
Most wireless casting technologies — including Roku's casting feature, Chromecast, and Miracast — require the sending device (your phone or laptop) and the receiving device (the TV) to be on the same network. When they are on different networks, the TV simply cannot be found, and casting will fail.
Why Apple TV Is the Exception
Apple TV is the only display device that supports wireless casting at Bowdoin. Apple TV uses a technology called Bluetooth Low Energy (BLE) pairing — sometimes called a Bluetooth Handshake — to establish an initial connection with your Apple device before transferring content over Wi-Fi. This means your iPhone or MacBook does not need to be on the same Wi-Fi network as the Apple TV. The Bluetooth connection bridges the gap between the two separate networks.
No other consumer TV or casting device (including Roku, Chromecast, Amazon Fire TV, or Miracast-enabled displays) supports this Bluetooth Handshake method. As a result, AirPlay to Apple TV works at Bowdoin, but all other wireless casting methods do not.
Important: Connecting your phone or laptop to the Bowdoin PSK network is not an available workaround for students. The PSK network is reserved for specific registered devices and is not intended for general personal device use.
What You Can Do Instead
If you need to display content from your device on a TV or monitor and an Apple TV is not available, the most reliable alternative is a wired connection.
- Use an Apple TV: If the room you are in has an Apple TV connected to the display, AirPlay will work from your iPhone, iPad, or Mac using the Bluetooth Handshake described above.
- Use an HDMI cable: Connect your laptop or phone directly to the TV using an HDMI cable and an appropriate adapter (such as a USB-C to HDMI adapter for MacBooks). This bypasses the network entirely and works with any display that has an HDMI port.
- Use a wired adapter for mobile devices: iPhones and iPads can connect to an HDMI display using a Lightning to Digital AV Adapter or USB-C to HDMI adapter.
Note: HDMI cables and adapters are available for short-term loan from the Tech Hub in Smith Union. Visit the Tech Hub during business hours or contact the Service Desk for more information.
Additional Help
If you need further assistance, you have several options:
- Bowdoin Bot: Chat with Bowdoin Bot directly from any KB page for instant answers.
- Phone: Call the Bowdoin College Service Desk at (207) 725-3030.
- In person: Visit the Tech Hub in Smith Union during business hours.
- Submit a ticket: Request assistance through the Service Catalog.
Additional Resources
AI-assisted content: This article was created with AI. It was verified and edited by a human.