Video Problem On Dell Studio XPS 1640
I have two Dell Studio XPS 1640s, one with the 3670 and one with the 4670 video cards. Both machines are dual boot - XP Pro (32 bit)Â or Windows 7 x64. In XP all types of video play perfectly well. In Windows 7 x64, on both machines, playing video in a large window or full screen produces visible horizontal blocks or tears which become very obvious during action scenes or with horizontal panning.
That there is no problem in XP means it isnt an intrinsic hardware/BIOS/firmware problem.
The 4670 machine has the A10 BIOS which was supposed to improve video function but the problem is still very apparent and upgrading the 3670 machine from A06 to A10 made no obvious difference.
I have the latest drivers and have tried both Dell's and AMDs latest and over several versions these have made no difference. Perhaps unfortunately I removed Vista from these machines on arrival and dont know whether this occurs in Vista or not.
I wondered about a codec problem but the same problem occurs with VLC media player or media player classic even with ffdshow intalled and apparently working (although telling what codec is actually being used is rather difficult, I find).
Has anyone else noticed this and does anyone have a solution?
View Replies (Posted: Thursday, November 05, 2009 12:08 PM)
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