Troubleshooting¶
There are many different issues that can arise when setting up Looking Glass. Below is a list of known issues with potential solutions:
When launching Looking Glass the desktop doesn’t appear¶
- Using an AMD GPU? - After the end of the Radeon HD Series, new AMD GPUs go to sleep when no display is connected. For this reason, one of two conditions must be met. 
 
- The GPU needs to remain plugged into a monitor (this is good for testing & troubleshooting). 
- The GPU needs to have a dummy plug installed which presents itself as a monitor. 
The clipboard is not working¶
- Is clipboard synchronization enabled? - Before you can copy or paste content between the guest and host, clipboard synchronization must be enabled. 
 
- Did you install the Spice Guest Tools? - The SPICE Guest Tools driver must be installed on the host OS to synchronize the clipboard. The download is labeled “spice-guest-tools”. - Warning - Do NOT install the QEMU Guest Tools driver. These are not the same. 
- Is it installed twice? - The Spice VDAgent is available in both Spice Guest Tools, and standalone as a separate installer. Check your installed programs and uninstall the VDAgent if it’s installed separately.