User's Guide

Appendix B: Troubleshooting
116 PCoIP System User’s Guide
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Ensure that there is at least 4 inches of clearance around each edge of the zero client and two
inches of clearance above the zero client. If the zero client is improperly enclosed in a
microenvironment (for example, in a drawer or in a desk cable tray), the ambient temperature
can easily rise above the supported operating level. See 4.2 “Mandatory Mounting, Cooling,
and Airflow Provisions” on page 34 for more information about providing adequate mounting,
orientation, and cooling.
To adjust bandwidth limits from the Web interface, click Configuration > Bandwidth. See
Appendix D: “Zero Client and Host Card Web Interfaces” on page 118 for information about how
to obtain interface documentation.
Poor or no audio on a host running a 64-bit OS
If you are using a 64-bit operating system on a host, you must enable the option for 64-bit audio
support on the host card. This option is enabled by default. If you are experiencing poor or no
audio output on a host running a 64-bit OS, check this setting.
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See 6.4.2 “Enabling Audio on a 64-bit OS” on page 67 for detailed instructions about how to
enable this setting from the host card’s Web interface.