Uploaded August 2026 | Updated September 2026, 2 weeks ago
Fix Discord Error: 2012 (Failed to start camera or Stream Failed to start)
Try disabling a vpn then restart Discord
Turn off Hardware acceleration, then restart Discord
If you are trying to view another person's stream.
You have to disable hardware acceleration on the other person's end or have them adjust the stream quality. This worked for many people.
Disable NIC Offloading (Highly Effective)
Your Realtek network adapter might be trying to process the stream data independently, which can trigger Error 2012 on the PC client.
Right-click the Start button and select Device Manager.
Expand Network adapters and right-click your Realtek PCIe GbE Family Controller → Properties. (YOU MAY HAVE A DIFFERENT ADAPTER)
Go to the Advanced tab and find these properties. Set each one to Disabled:
Large Send Offload (IPv4 & IPv6)
UDP Checksum Offload (IPv4 & IPv6)
TCP Checksum Offload (IPv4 & IPv6)
Receive Segment Coalescing (RSC Both)
Click OK, restart the PC, and open Discord.
If the RSC option isn't available in the adapter options. Open PowerShell as admin and type Disable-NetAdapterRsc -Name "*" and hit enter it will disable it . then restart your computer.
To enable it back type
Enable-NetAdapterRsc -Name "*"
Fix Discord Error: 2012 (Failed to start camera or Stream Failed to start)
Try disabling a vpn then restart Discord
Turn off Hardware acceleration, then restart Discord
If you are trying to view another person's stream.
You have to disable hardware acceleration on the other person's end or have them adjust the stream quality. This worked for many people.
Disable NIC Offloading (Highly Effective)
Your Realtek network adapter might be trying to process the stream data independently, which can trigger Error 2012 on the PC client.
Right-click the Start button and select Device Manager.
Expand Network adapters and right-click your Realtek PCIe GbE Family Controller → Properties. (YOU MAY HAVE A DIFFERENT ADAPTER)
Go to the Advanced tab and find these properties. Set each one to Disabled:
Large Send Offload (IPv4 & IPv6)
UDP Checksum Offload (IPv4 & IPv6)
TCP Checksum Offload (IPv4 & IPv6)
Receive Segment Coalescing (RSC Both)
Click OK, restart the PC, and open Discord.
If the RSC option isn't available in the adapter options. Open PowerShell as admin and type Disable-NetAdapterRsc -Name "*" and hit enter it will disable it . then restart your computer.
To enable it back type
Enable-NetAdapterRsc -Name "*"
