I am trying to connect my XPS notebook to my Panasonic Plasma using HDMI connection. I succeeded doing so only 1 time (the rest of times - monitor is identified but no image is shown. Connectivity through VGA and S-video works fine. Please help me to solve this problem.
Video card - Nvdea 8400.
Plasma - HD ready
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First off, is the tv set to use the hdmi input? if not, change tv to hdmi input and try again. If still no good, you likely need to tell the laptop to use the hdmi connector. Try this:
connect hdmi from laptop to tv and select hdmi input on tv.
while holding the blue fn key (bottom left side of kbd) press and release the F5 key. This will toggle the laptop between the laptop lcd display, external connectors (vga/hdmi), or both simultaneously. Let me know if this works or not.....
Make sure your TV does indeed support the resolutions you are trying to use. Some low quality HDMI cables can also be troublesome in higher resolution so try one you are sure to work.
Regarding to the desktop only being extended when using the RGB cables, try bringing up the desktop properties window, select the TV as the primary monitor and select "Use this monitor as Primary monitor". You might have to drag the windows Taskbar over to the other monitor, just rightclick the taskbar, uncheck "Lock the Taskbar" and drag it over to the other monitor.
Hope you find this solution helpful, and please rate it if you do so..
"the PT-AE900U supports a full range of input sources,
including DVD and video players, PCs and game machines. An HDMI input
provides compatibility with HD digital sources, while component video
input terminals deliver full-quality, detailed images from high-end,
progressive-scan DVD players. The PC IN terminal can be connected to a
game machine or PC. Other terminals include composite and S-video, as
well as a serial terminal for connecting a touch panel controller or
similar device." You can go to Dell support to either read your manual, but your laptop model's manual is there for the reading. It lists all the outputs. if you have a problem figuring which to use, they will tell you. your manual can be found at http://support.dell.com/support/dsn/dsnsearchresult.aspx?c=us&cs=19&l=en&s=dhs&Query=bWFudWFs&SystemID=INS_PNT_P4_9400&ServiceTag=&contenttype=-1&os=-1&component=-1&lang=-1 You may either have to connect the laptop directly to the Panasonic, or you may be able to connect it through the Harmon Kardon, but I doubt if there will be any advantage to doing that.