Re: NVidia MCE Drivers

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From: Peter Near (peter_at_thenears.com)
Date: 02/13/04 

Date: Fri, 13 Feb 2004 11:53:43 -0500

Hi, try this:

Launch WinDVD4.
Go into its settings.
Find the "Use hardware video acceleration" option (or something similarly
worded).
Make sure it is checked.
If it is alread checked, uncheck it, hit ok, exit the program, relaunch the
program and recheck that box. Ensure that that video acceleration option is
checked.

Good luck,
Pete

"Larry Gadbois" <lgadbois@earthlink.net> wrote in message
news:xb1Xb.2435$WW3.1655@newsread2.news.pas.earthlink.net...
> Bob [MVP],
>
> I may have overstated the usage a little. I am currently watching TV as I
> type this posting. The ehshell is varying from 69% to 85%. The ehrec is
> varying from about 24% to 15%. With two processes together they are always
> taking 94 to 98%% of the resources, and the CPU runs at 100% a lot of the
> time. The funny thing is that when the TV is first started the total CPU
> usage may run 50 to 60%, but then the usage of ehshell increases.
>
> Hardware accelaration is set to OEM default (at maximum). The OEM decoder
is
> WinDVD 4 and it has not been changed. Additional MPEG decoders or
> conflicting software has not been loaded. The graphics card is the OEM
> nvidia GeForce MX 440 and benchmarks properly for speed. The TV card is
OEM
> EvCapMaui. Everything seems to be working okay, but the CPU usage is too
> high when watching TV. I am running MCE 2004 and had no problems with the
> update. I have tried switching the Windows performance settings, but
> letting Windows manage the resources seems to work as well as using the
> custom settings with most of the display enhancements turned off.
>
> I guess I could uninstall the MPEG codec and reinstall. Unfortunately, HP
> did not provide source software discs with the computer, and the software
> reinstall does not work correctly. I deleted MyDVD and later tried to
> reinstall, but the program would not reinstall properly. I talked to HP
> Customer Support and they wanted me to do a system reinstall, but I am not
> going to do that just to get MyDVD back.
>
> I suspect that some of the other HP 864n and HP 873n owners are
experiencing
> similar performance problems from what I have read in other postings on
this
> board. I noticed that you stated that occasionally your usage goes up to
> 99% and you have to reboot. I think you may be having a similar effect. My
> computer came with 512 mb of RAM and I am thinking that the problem may a
> lack of free memory, or the failure of Windows to release cached memory
for
> MCE operation. The problem could also relate to hard drive framentation
that
> is slowing the read/write process. I haven't checked the usage after
> defragging the drive, and I may have to do that. There are some faster
hard
> drives now available which might make substantial improvements to MCE
> performance.
>
> Some people are reporting improved performance by uninstalling WinDVD and
> installing Nvidia's software. I would rather get this system working
> properly with the supplied components than go out and spend money on
> software experiments.
>
> Thanks for the response,
> Larry.............
>
> "Bob [MVP]" <bob@nospam.org> wrote in message
> news:%23wXoPrd8DHA.2404@TK2MSFTNGP11.phx.gbl...
> > Larry,
> >
> > 80% is way too high. There's definitely something wrong there.
> > I can think of three possiblities off the top of my head:
> >
> > 1. Media Center may be using some other "not-so-compatible" MPEG
> > decoder, instead of your OEM-installed decoder. What was your
> > OEM-installed decoder? Have you installed any other MPEG
> > decoders (DVD software, MPEG players, etc.)?
> >
> > 2. Hardware acceleration may be disabled on your graphics card.
> > Go to your Display Properties -> Settings -> Advanced ->
> > Troubleshoot, and make sure that hardware acceleration is set to
> > full.
> >
> > 3. You may have a faulty graphics card, if neither of the first
> > two possibilites apply. If you're PC is still under warranty,
> > you should call HP Support, explain your situation, and ask them
> > to ship you a replacement.
> >
> > -Bob
> > ____________________________
> > Microsoft MVP
> > Windows XP Media Center Edition
> > www.microsoft.com/windowsxp/mediacenter
> >
> >
> > "Larry Gadbois" <lgadbois@earthlink.net> wrote in message
> > news:dtWWb.2044$WW3.1748@newsread2.news.pas.earthlink.net...
> > > The CPU usage is typically about 80% for ehshell.exe with the
> > TV running. My
> > > computer uses the nvidia GeForce MX440 MX card. I don't
> > understand why the
> > > usage is so high.
> > >
> > >
> > > "Bob [MVP]" <anonymous@discussions.microsoft.com> wrote in
> > message
> > > news:4DAFDF40-DAD6-4976-BACE-8191D47D3BC6@microsoft.com...
> > > > I have an HP 873n with a 2.53GHz P4. I agree with your
> > complaint about
> > > the fuzzy picture, but I have no problem multi-tasking while
> > I'm watching TV
> > > in a window on my desktop. Media Center (ehshell.exe)
> > typically only uses
> > > ~20-25% of the CPU while watching Live TV, according to
> > Windows Task
> > > Manager.
> > > >
> > > > Every once in a while (and I have no idea why), the CPU
> > usage will go up
> > > to 90-99%, and then I have to reboot to fix it. But
> > fortunately that
> > > doesn't happen very often.
> > > >
> > > > What is your CPU usage when you watch Live TV? It sounds
> > like you have
> > > some kind of problem that is not typical.
> > > >
> > > > -Bob
> > > >
> > > >
> > > > ----- Larry Gadbois wrote: -----
> > > >
> > > > I have an HP 864n. I recently upgraded to the 53.04
> > drivers. They
> > > are
> > > > definitely better as far as reduced interlace artifacts
> > on horizontal
> > > motion
> > > > (like the stock ticker.)
> > > >
> > > > My two biggest complaints on this computer are:
> > > > 1. Fuzzy TV picture
> > > > 2. Computer doesn't want to do anything else when TV is
> > activated.
> > > >
> > > > The MPEG processing and hard drive writing and reading
> > slows
> > > everything down
> > > > to a crawl. It's too much for a 2.6 gig machine.....
> >
>
>

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