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User's Guide
Appendix B -
If you connect your notebook to an external monitor through the VGA connector and play
video full screen using Microsoft™ Media Center™ in clone mode, you may notice
discontinuous sound playback. For solve this issue, you may consider to perform the steps
below to reinstall the VGA driver manually.
1.
Check to see if the VGA driver had been installed on your notebook or not. If it had
already been installed, go to the Control Panel of your Windows™ operating system
to remove the VGA driver from your system.
2.
Insert the CD disc that comes with your notebook into the ODD drive.
3.
Open Windows™ Explorer™ to browse the folder where the system drivers reside.
Browse through the VGA driver folder to locate a folder named "Graphics".
4.
Copy this folder onto the hard disk.
Under the folder copied onto your hard disk, locate a file named "igdlh.inf". Double-
5.
click the file to open it in WordPad.
Use the search feature to find the text, "DisableCloneAsyncFlips".
6.
Change the binary value from "0" to "1", and then save the file.
7.
Double-click the auto-run application (.exe) under the folder „Graphics‟ to install the
8.
VGA driver manually.
9.
Restart your system.
Important:
There is a potential side effect in setting „DisableCloneAsyncFlips‟ to the
value of "1". This setting changes the monitor refresh rates, which may in
some rare circumstances result in deterioration of video quality. If you
notice this and find it to be not acceptable, you may consider to remove
the VGA driver and then reinstall the VGA driver directly from the CD
disc.
Addendum
Appendix B
Page B-1
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