The Singing Badger Posted February 16, 2007 Report Share Posted February 16, 2007 (edited) Hi there, I wonder if anyone can offer some advice. I'll be happy to shoot a kitten if this question is inappropriate, just say the word. In my job, I frequently plug my laptop to a data projector and play DVD video clips to a large audience. I recently bought a new HP laptop (HP Pavilion dv6105ca) with an NVidia graphics adapter (GeForce Go 6150), but I have found that when plugged into an external display (whether a projector or a monitor), DVD playback has flickering horizontal lines during scenes involving fast movement, as if the lower half of the screen can't quite 'catch up' with the top half (I believe this phenomenon is called 'tearing' although I could be wrong). Playback is fine when the laptop is not plugged into an external monitor. It's also fine if I switch the display toggle button so that only the external monitor is being used - but having my laptop screen turned off is too much of a nuisance with the kind of presentations I'm doing. I have tried several other laptops with the same projector, some of them quite ancient, and none has the same problem. I've tried different playback software as well, and the effect is the same with all of them. I've tried fiddling with hardware acceleration and other settings, none of which make a difference. The driver for the NVidia adapter (18.104.22.168) seems to be more recent than the one listed on HP's website as their most recent (22.214.171.124A), so I'm wary of updating my driver unless it's absolutely necessary. Google searches have yielded no answers, so I just thought I'd ask you guys if the problems I've been encountering are relatively normal when using data projectors, and if there is a 'quick fix', or whether this is a bizarre and unheard of phenomenon... Many thanks in advance! DETAILS HP Pavilion dv6105ca NVidia GEforce Go 6150 Windows XP Media Centre 2002 Edited February 16, 2007 by The Singing Badger Quote Link to comment Share on other sites More sharing options...
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