Field/option Description When to use/whyi t’si mportant
Hardware
acceleration
status
Indicates whether
hardwareaccelerationis
onor off.
If you use a low-endvideo card in your system and
youdisable hardwareacceleration, you increaset he
performance of your computer.
Mirrordriver
availability
lavailable– the
mirrordriver is
installed
lunavailable– the
mirrordriver isn't
installed
ldisableby OS –
yourcomputer has
Windows 7,w hich
causes themirror
driverto behave
unexpectedly.
Whenvideo mirroringis active, each time the
system draws to the primary videodevice at a
locationinside the mirroredarea, a copy of the draw
operationis executed on themirrored videodevice
inreal time.
Enableredraw
hooks
Select to shareusing
redrawhooks.
NN OT E
Redrawhooks behave
unexpectedlywith
Windows 7 operating
system.
If your pointeris f lickering, you mightw ant to try
clearingthis option.
Enablemirror
driver
Select to shareusing
mirrordriver.
If your sharedapplications aren't beingcaptured
correctly, you might want to try clearingt his option.
Otherwise,leave this option enabled.
Sharingcolor quality
Use the following optionsto adjust t hequality of s haredcolor images andvideo.
Field Description When to use/whyi t’si mportant
Sharein full color lSelect to share in the
highestcolor depth available
(usually24 or 32 bits per
pixel).
lClearto s harein 256 color
mode.
Clearingthis option causes bandwidth
usageto drop, but it increases the load on
thepresenter's computer. Theimage
qualityof the sharedscreen is reduced.
Optimizedesktop
fors haring
Slows down the frequencyof
screencaptures andremoves your
desktopbackground to decrease
theamount of bandwidth used.
This optionis clearedby default. You can
select it to improve sharingwhen
bandwidthis limited.
AP P E N DI X A
Troubleshooting
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