Polycom ViaVideo manual Video Troubleshooting, Windows Control Panel

Page 88

Appendix CTroubleshooting

Video Troubleshooting

The following table lists video-related problems, their explanations, and solutions.

Problem

Explanation

Solution

 

 

 

Launching ViaVideo

Either your drivers/hardware

1. Try changing the color

generates the following

do not support DirectX, or

depth and/or screen

error message:

they do not support the

resolution.

“Your video card does not

needed DirectX functionality

2. Upgrade the video drivers

at your current color depth

support hardware

to the latest version.

or resolution.

acceleration using the

3. Update to a new video

In this case ViaVideo

current display settings. For

card.

reverts to GDI mode, and

optimal performance, set

 

remains fully functional, with

 

your display to 16-bit color

 

some loss in performance.

 

using the Display

 

 

 

properties settings in the

 

 

Windows Control Panel.

 

 

 

 

 

1. My video appears

The video rendering is

1. Change to a different

fractured when I move.

taking up too much of the

video resolution or color

2. I get scrambled video.

CPU resources because it is

depth.

either running in GDI mode

2. Update the video drivers.

 

3. My mouse blinks.

or the video card does not

3. Update to a new video

4. Windows is running very

properly support

card.

DirectDraw hardware

slow.

 

acceleration.

 

 

 

5. ViaVideo is taking up

 

 

most of my CPU cycles.

 

 

 

 

 

1. My video is very blocky.

ViaVideo is having

1. Make sure that you have

2. The ViaVideo window is

problems communicating

the ViaVideo camera unit

over your USB port.

connected correctly

displayed with an animation

 

(power, USB, power is

where the near camera

 

 

on).

video should be.

 

 

2. Remove any unknown

3. Although my hardware is

 

 

devices in the Device

correctly set up, I keep

 

 

Manager under the

getting the message that

 

 

Universal Serial Bus

ViaVideo could not connect

 

 

controllers folder and

to the hardware.

 

 

power cycle the ViaVideo.

 

 

 

 

 

ViaVideo User’s Guide

80

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Contents ViaVideo User’s Guide Page Warranty Other RestrictionsTrademark Information Patent InformationImportant Safeguards Regulatory Notices FCC NoticeUnderwriters’ Laboratories’ Statement RADVision StatementContents Audio Connection System Information and DiagnosticsNetwork Connection Troubleshooting Contents ViaVideo User’s Guide Viii System Requirements and Installation Hardware RequirementsInstalling Hardware Installing SoftwareSoftware Requirements Starting ViaVideo Turn on the CameraInitial Setup ViaVideo built-in microphoneHeadset with microphone Placing a Call Using Manual DialingCamera Calibration Info icon Call status light IP address Chapter Using the Address Book or Speed Dialing New entry Edit entry Delete entry On-Screen Remote Control Ending a Call Answering CallsClosing ViaVideo Chapter Using ViaVideo Calling FeaturesUsing the Remote Control Hang UpSnapshot VolumeAudio Mute Information Screen Access Window ControlsPicture in Picture PIP Minimize WindowRe-Size the ViaVideo Display Sending SnapshotsLeaving a Callback Message Using the Address Book Address Book and Speed DialDo This Local and Global Address Book Entries Local EntriesGlobal ILS Server Entries Register This System When Powered On Go to the Directory Services screenDisplay Global Address Delete All Using Speed DialLock Controlling Audio and Video Controlling AudioVia the On-Screen Remote DialVia the Audio Screen Muting Video Mute Auto Answer Calls in the Audio screen SystemChapter Collaboration and Application Sharing Multiple IP AddressesChapter System Information and Diagnostics Using the System Information ScreensSystem Information and Diagnostics Diagnostics Network Statistics Audio Jitter Advanced StatisticsVideo Jitter Call Status Reset System Camera Calibration Generate Tone Setup Auto Start ViaVideo When Auto Start ViaVideo is selected General323 Auto AnswerShow Half-Size Display When Show Half-Size Display is Show AnimationsUser Name MailDirectory Services LAN and Internet Register this system when starting ViaVideoDisplay Global Addresses Wins Resolution Default GatewayHost Name IP AddressAudio Volume Control Master VolumeWave Volume LinePC Software SoftwareViaVideo Software Gatekeeper SetupDialing Speeds 323 Display IP Dialing ExtensionMultiple IP Addresses Gatekeeper Dialing Speeds Quality of Service and Firewalls Use Fixed PortsAuto discover NAT IP address NAT outside WAN addressIP Precedence Dynamic BandwidthChapter Audio Connection PC with SpeakersPC with Headphones Headphones Only Headset with Attached Microphone Pick Your Connection Type Simple Connection Just a Modem, ThanksRouter With NAT, No Firewall Router With Firewall, Using a DMZRouter With Firewall Configure Your Connection Through a Virtual Private NetworkWhen you select Auto discover NAT IP Address, ViaVideo Configure your ViaVideo for NATSelect the System is Behind a NAT option Open and Assign Ports in the Firewall System Information screenRouter With Firewall, Using a DMZ Assign your ViaVideo to the DMZ Through a Virtual Private Network Appendix What’s a Firewall? Port Number Assignation Opening PortsIs it Safe? What’s a DMZ? What’s a Network Address Translator? Appendix General Troubleshooting Problem Explanation SolutionAudio Troubleshooting InfoDiagnosticsGenerateVolume Controls Wave, and MasterVideo Troubleshooting Windows Control PanelInfoSetupH.323QOS Bandwidth optionError Messages Installation ErrorsErrors Error Message Explanation SolutionGatekeeper setting SetupH.323Appendix C
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