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Dell Hell -- Video and D/Port

Last response: in Laptops & Notebooks
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Anonymous
a b D Laptop
August 25, 2010 2:59:56 PM

Hi all,

Here's the equipment in play:

1) Dell Latitude D520 with the Intel 945GM Chipset
2) Dell SE178WFP with the VGA cable
3) Dell D/Port

When the laptop is directly connected to the display, the video works fine. When the display and laptop are both hooked to the dock, there is no video. Instead, I get a message which says "Cannot display this video mode." The old CRT will work when connected to the dock.

Something is wrong and I have no idea what it is.

More about : dell hell video port

August 25, 2010 6:52:35 PM

Sometimes updating the video drivers will correct poblems like that, worth a shot. Maybe lowering the resolution, if that chipset gpu can't handle both at high rez. Just guessing.
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a c 219 D Laptop
August 25, 2010 8:58:02 PM

Is there no video only on the external display, or on both the laptop and the external monitor? If only on the externam monitor, your resolution and/or refresh rate is probably too high. Use both screens, and set the resolution on the second display. For a 17" LCD, you probably will be using 1280x1024 at 60hz. If you had a CRT before you may have had it at some odd refresh rate that the LCD can't display.
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