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General jerky playback!
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wowseruk
Junior Member
_ 		15. February 2006 @ 20:43 _ Link to this message    Send private message to this user   
My old laptop was stolen it had a dvd-rw.

The insurance company replaced it with a new laptop with a cd-rw/dvd-r combi (in error) but paid for an upgrade to a dvd-rw.

Before I had the dvd-rw fitted all video formats played fine - since the dvd-rw was fitted they are all (avi,mpg,wmv etc) jerky - the player used seems to make no difference - neither does the source - dvd/cd, hard drive or my big LaCie drive.

My codecs are a complete mess - I downloaded loads in an effort to get one particular video to play.

Help - where do I start?

Tony
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dolphin2
Suspended due to non-functional email address
_ 		15. February 2006 @ 23:41 _ Link to this message    Send private message to this user   
Check your DMA settings. Make sure they are on.

http://forums.afterdawn.com/thread_view.cfm/260038
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philraz
Senior Member
_ 		16. February 2006 @ 00:02 _ Link to this message    Send private message to this user   
dowmload k-lite codec pack it should sort out your codecs
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wowseruk
Junior Member
_ 		16. February 2006 @ 20:52 _ Link to this message    Send private message to this user   
My screensaver clicked in whilst I was running a file comparison - it too was 'jerky' and seemed to always 'stutter' when the disc light flashed - does this point to a more basic system problem?

Tony
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philraz
Senior Member
_ 		16. February 2006 @ 22:16 _ Link to this message    Send private message to this user   
if you are running xp hit cntrl-alt-del and give me cpu ussage at idle and number of processes runing
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The MPAA Are Always Watching

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wowseruk
Junior Member
_ 		17. February 2006 @ 21:21 _ Link to this message    Send private message to this user   
At idle my CPU% is zero and I have 51 processes.

I've also tried this in Safe Mode - when I have CPU% and 14 processes - but I still get jerky playback even in Safe Mode!

Tony
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philraz
Senior Member
_ 		17. February 2006 @ 23:34 _ Link to this message    Send private message to this user   
Check for an updated graphics driver
was any extra software installed when they changed the rom
check your bios the size of your video ram may be adjustable
it should be under warranty take it back to the supplier if simple things dont work
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The MPAA Are Always Watching

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This message has been edited since posting. Last time this message was edited on 17. February 2006 @ 23:35
wowseruk
Junior Member
_ 		18. February 2006 @ 13:15 _ Link to this message    Send private message to this user   
Will the DMA stuff mentioned above be applicable to all media playback - even from my hard disk or LaCie disk?

I've updated my driver from version 4291 to 4497.

Still get jerky playback.

How do I update my bios video ram size.

Graphics is a Mobile Intel 915GM/GMS, 910 GML EXPRESS CHIPSET

tONY
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wowseruk
Junior Member
_ 		18. February 2006 @ 13:21 _ Link to this message    Send private message to this user   
I've already downloaded K-lite!

Tony
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wowseruk
Junior Member
_ 		18. February 2006 @ 13:32 _ Link to this message    Send private message to this user   
When I'm playing media on an otherwise idle system should my cpu %age be all over the place - it does seem that the stutter happens when my cpu% shoots up from 7% to 30-90+%?

Tony
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philraz
Senior Member
_ 		18. February 2006 @ 13:43 _ Link to this message    Send private message to this user   
dma will efect roms and hdd but not your external
video ram size sometimes can be adjusted in your computers bios check your manual for the prcedure

what is the brand model and specs of your laptop
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The MPAA Are Always Watching

Look Here For Guides And Downloads
http://my.afterdawn.com/philraz/
wowseruk
Junior Member
_ 		18. February 2006 @ 19:38 _ Link to this message    Send private message to this user   
Thanks for being so helpful!

TravelMate 4152LCi

Pentium M740 (2mb L2 cache, 1.73 ghz, 533mhz FSB)

You already know the Graphics setup (see thread above)

60gb hdd

Original had a DVD/CD-RW combi - upgraded to a DVD-RW/CD-RW

512MB DDR2 (support dual channel)

Tony
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wowseruk
Junior Member
_ 		18. February 2006 @ 23:37 _ Link to this message    Send private message to this user   
PS both Adaware spyware and Norton Antivirus are clean!
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wowseruk
Junior Member
_ 		24. February 2006 @ 21:49 _ Link to this message    Send private message to this user   
I'm now fairly certain it's a general system problem - even animated gifs are 'jerky'.

Tony
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