www.amulethotkey.com | Page 39
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8
8.
Fault descriptions
8.1 Monitors display the incorrect display topology
This section describes how to resolve a display problem that can
affect PCoIP systems that use Tera2 hosts and zero clients.
Note:
For other known Tera2 display issues, see
Application.
Note.64,.Display.problems.affecting.Tera2.PCoIP.systems
,
available on the
Support > Downloads
page of the Amulet
Hotkey website.
8.1.1 Symptom
When using multiple monitors, the user experiences display
problems associated with an incorrectly configured display
topology. (Here, display topology refers to the physical arrange-
ment of the monitors.)
Example:
Four monitors may be physically arranged in a
grid or box (two rows of two monitors), but the computer
interprets mouse movements as though the monitors were
arranged in a single row.
This problem happens when a user connects to their usual PCoIP
host from a different zero client (for example, in a hot-desking
environment). The problem repeats even after the user specifies
the correct topology in the Display applet of Windows Control
Panel.
8.1.2 Cause
This problem can occur when the following four conditions are
true:
•
PCoIP Host Driver Function is enabled on the PCoIP host.
This function is an optional feature supported on PCoIP host
cards with firmware 2.0 or later. It enables you to use the
PCoIP Host Software package on the host computer.
•
The PCoIP Host Software package is installed on the host
computer.
This package is a collection of drivers and applications that
allow Windows operating systems to interact with Teradici
PCoIP host processors and PCoIP zero clients. In particular,
the package includes the PCoIP Host Software Settings dialog.
•
The ‘Use client topology settings…’ check box is selected in
the PCoIP Host Software Settings dialog.
This check box determines whether or not the zero client
display topology gets reported to the Windows operating
system.
•
An incorrect display topology is specified and enabled on
the zero client.
The On Screen Display (OSD) for Tera2 zero clients enables
you to configure the display topology. For example, you can
specify the display layout (such as monitors arranged in a
horizontal row), and the video port, rotation and resolution
for individual monitors.
When these four conditions are true, the zero client reports
a specific display topology to the PCoIP Host Driver Function
running on the host computer. In turn, the PCoIP Host Driver
Function configures the Windows desktop to match the display
topology reported by the zero client.
Note:
For details about the PCoIP Host Driver Function and
Host Software Package, see the
Teradici.PCoIP.Host.Software.
for.Windows.User.Guide
. For details about the zero client
OSD, see the
Teradici.PCoIP.Zero.Client.and.Host.Administrator.
Guide
.
8.1.3
Solutions
To resolve this problem, apply fix 1, fix 2 or fix 3 as described on
the following pages.
If the user is likely to connect to their remote workstation
from different zero clients (for example, in a hot-desking envi
-
ronment), the most reliable solution is to implement fix 1.
8.1.4
Fix 1: Configure the correct display topology on each
zero client
Note:
We recommend this fix if the user is likely to connect
to their remote workstation from different zero clients (for
example, in a hot-desking environment). Because the physical
monitor arrangement may differ for each zero client, this fix
ensures that the display topology is correctly specified on each
zero client.
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