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Mac Forum / Applications / Virtual PC / September 2005



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VPC Screen Icons are Black

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rontpt - 29 Sep 2005 17:58 GMT
Hi All, I am hoping that someone can tell me what my problem might be?
I have a Mac G5 1.8 1G-RAM, running Tiger 10.4.2. I have Virtual PC
7.0.2 running with XP Pro as the Windows operating systems. All of my
icons for my applications within Windows are sometimes Black. Also some
of the important buttons within applications, that I need to know what
they are, have turned Black as well. Sounds like a graphic issue of
some sort, but I don't know what to do. I also have an issue with the
sound not playing as well. I will just get a bad humming sound where
the sound for a particular action was supposed to have been head.

Any Thoughts? I would greatly appreciate the help!
Unseelie - 29 Sep 2005 18:28 GMT
Search this newsgroup via google and you will find many posts about
this. The workaround at the moment is to enable the Scripts menu via
VPC's preferences and then run the 'Toggle MMX Setting' script
contained under VPC Scripts/Troubleshooting .

Mind you, there is a performance hit for disabling MMX (mostly with
multimedia apps), so at some future date when this is fixed, you will
need to go back and re-enable MMX.
Paul Power - 30 Sep 2005 01:45 GMT
I disagree.

You would get a performance BOOST by disabling MMX.

The vast majority of users do not use multimedia apps (I know, I
know.....some ppl do...but most don't).

Windows startup and shutdown are faster. Internet Explorer pages load
faster. Apps open quicker.

Overall, disabling windows multimedia is not a bad thing in VPC.
Unseelie - 30 Sep 2005 20:45 GMT
That doesn't match the benchmarks or stopwatch tests I did when PSS
recommended that to me. As one example, with MMX disabled, Windows XP
is about 10 - 12% slower booting than with it enabled.

Also, all VPC users make use of multimedia... there's this thing called
sound. Windows sound code makes regular use of MMX.
 
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