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Slow / jumpy HD playback on PC

mark1111 Avatar
6y, 4m agoPosted 6 years, 4 months ago
Hi,

I currently have a Dell Inspiron 531 (AMD Athlon 64 X2 Dual-Core 5600+, 500GB HDD, 2GB RAM) which when purchased was for basic tasks. I didn't need anything capable of playing games.
I hooked up my Xbox 360 HD-DVD drive to it, installed the drivers etc and used Cyberlink PowerDVD to watch a movie from a HD-DVD. As expected, the movie played fine if there wasn't much happening on the screen but as soon as things started to move, the playback started to jump from frame to frame rather than flow smoothly.

So I installed a 512mb, DDR2 ATI Radeon HD 4350 graphics card. As far as I can tell it has installed correctly. It is the only display adapter shown in the device manager. The previous onboard graphic card no longer shows as being present. Although I am not aware that I have manually uninstalled it.

When I playback a HD-DVD using the new graphics card I get pretty much the same poor playback. Have I done something wrong during the installation or is this my PC'S way of telling me that the remainder of the components are not up to the job.

I'm not really that bothered about playing movies on the PC. My main desire is to be able to edit AVCHD (.MTS) files from my Full HD video camera but before I shell out on the software to do that, I want to make sure that this PC is capable of playing HD footage correctly, never mind anything else.

Any suggestions appreciated.

Thanks,

Mark
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mark1111 Avatar
6y, 4m agoPosted 6 years, 4 months ago
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1 Like #1
Graphics cards only actually help with movies if you enable hardware acceleration, otherwise it is the processor doing all the work. The easiest way to do this is to use a different media player (vlc media player or media player classic are 2 I would recommend) I do not know if there is a setting in these to turn it on or not, HD plays fine on my PC so I have never looked.
1 Like #2
Bit of a wild shot in the dark here, install the correct AMD Processor driver from here: http://support.amd.com/us/Pages/drivers.aspx

Or have a root around in the BIOS and see if AMD's Cool'n'Quiet technology is enabled and turn it off. I have seen this happen on laptops before, basically when Cool'n'Quiet is enabled but no drivers are installed for it, the processor gets stuck at a low clock speed. With no drivers the CPU hasn't got the option to clock itself back up when under heavy use.

Like I said, wild shot in the dark, but if the system was ever re-installed and those drivers were not put back on or the CnQ was not disabled, then this is the sort of thing that would happen.
1 Like #3
PhearFactor
Bit of a wild shot in the dark here, install the correct AMD Processor driver from here: http://support.amd.com/us/Pages/drivers.aspx

Or have a root around in the BIOS and see if AMD's Cool'n'Quiet technology is enabled and turn it off. I have seen this happen on laptops before, basically when Cool'n'Quiet is enabled but no drivers are installed for it, the processor gets stuck at a low clock speed. With no drivers the CPU hasn't got the option to clock itself back up when under heavy use.

Like I said, wild shot in the dark, but if the system was ever re-installed and those drivers were not put back on or the CnQ was not disabled, then this is the sort of thing that would happen.


While what you say is correct and can cause problems it's a desktop system that he has. If all the drivers are up to date then it's most likely the version of powerDVD that is causing the issues. As the format was killed off PowerDVD stopped supporting it, so for proper playback you need version 7.3 or 8 ultra.
#4
GAVINLEWISHUKD
PhearFactor
Bit of a wild shot in the dark here, install the correct AMD Processor driver from here: http://support.amd.com/us/Pages/drivers.aspxOr have a root around in the BIOS and see if AMD's Cool'n'Quiet technology is enabled and turn it off. I have seen this happen on laptops before, basically when Cool'n'Quiet is enabled but no drivers are installed for it, the processor gets stuck at a low clock speed. With no drivers the CPU hasn't got the option to clock itself back up when under heavy use. Like I said, wild shot in the dark, but if the system was ever re-installed and those drivers were not put back on or the CnQ was not disabled, then this is the sort of thing that would happen.
While what you say is correct and can cause problems it's a desktop system that he has. If all the drivers are up to date then it's most likely the version of powerDVD that is causing the issues. As the format was killed off PowerDVD stopped supporting it, so for proper playback you need version 7.3 or 8 ultra.

I'm using version 7.3 as you suggest. I dropped the display resolution down to 1280 x 768 and the video playback issues have stopped. I can't help thinking that it ought to play well regardless of the resolution.

One thing I noticed in the PowerDVD settings was "Video Accelerator: DirectX VA (not in use)". I don't know how relevant that is but I presume that Direct X would have been installed when I installed the gfx card. Maybe not though. And I can't see a way of enabling it in PowerDVD either.

Re your comments, Hooray290, I found the bit about enabling the hardware acceleration interesting. I'm sure I've seen the option to do so in the past but can't see it anywhere now I'm looking for it. Any suggestions??

Thanks again,

Mark
#5
As hooray290 said, try something other than PowerDVD, such as VLC or MPC HC.
#6
Could he not try some other HD stuff, he did say that he wants to use it for editing AVCHD. Not sure where to get sample files for AVCHD though.

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