Color management: printed colors off

Hi,
I have a problem where colors are not printed correctly from the PDF. It seems like the problem only happens to the PDF file.
I have a powerpoint file, and when I print it, the colors look the same as it is in the monitor. Once I convert it to a PDF (using acrobat), the colors in the PDF are still the same as the PPT on the screen. However, when I try to print from the PDF, the print out shows much darker shades of colors compared to other the powerpoint print out.
I've been searching online for a solution for a while, but couldn't find anything. (The closest I got was the color management setting in acrobat, but it didn't work after multiple tweaks.) I suspected that it was a printer issue (since monitor settings can really skew what color looks like when its printed), but since the PPT printed correctly, I think its safe to assume that it's a setting in acrobat that I would need to tweak.
Anyone can shed some light onto this?
Thanks in advance,
Ken

Hi,
I have a problem where colors are not printed correctly from the PDF. It seems like the problem only happens to the PDF file.
I have a powerpoint file, and when I print it, the colors look the same as it is in the monitor. Once I convert it to a PDF (using acrobat), the colors in the PDF are still the same as the PPT on the screen. However, when I try to print from the PDF, the print out shows much darker shades of colors compared to other the powerpoint print out.
I've been searching online for a solution for a while, but couldn't find anything. (The closest I got was the color management setting in acrobat, but it didn't work after multiple tweaks.) I suspected that it was a printer issue (since monitor settings can really skew what color looks like when its printed), but since the PPT printed correctly, I think its safe to assume that it's a setting in acrobat that I would need to tweak.
Anyone can shed some light onto this?
Thanks in advance,
Ken

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    Or rather, LR is colour managed, Picasa isn't. 
    "I can see it set in when moving the image more than halfway from one display to the other on the extended desktop. It slightly desaturates the U3011, which is good. And it pumps up the colors on the laptop too much: the pale-colored images do get closer, but any vivid colors are blown on the display."
    When you drag an image from one screen to the other, are you using Lightroom (or another colour-managed application)?  In which case you shouldn't see a difference between the two monitors.  If you do, then one or both monitor profiles is probably bad.  If you're using unmanaged applications, then this is what you expect to see. One (or probably both) screens will be displaying incorrect colour.  But each will display different incorrect colour. 
    "Is there any way to make color management in LR work like non-color-managed applications? Or to adjust the white point & gamma for the laptop display by LR so that it would become more useful with vivid images (yet less accurate)?"
    Colour management in LR is always on.  And in truth, it's a bit pointless trying to make something behave "like non-color-managed applications".  Thing is: non colour managed applications will look different on every monitor.  Different unmanaged applications may look the same on your monitor, but they'll look different on someone else's.  There's no single "look" of non-managed applications. 
    The best you can do is export to sRGB for the web.  Most monitors have roughly sRGB colour space, so this is the best guess you can make at the right colour space for unmanaged browsers.  Using an unmanaged colour workflow yourself is simply adding errors in your system to errors in the viewer's unmanaged system.  It's likely to make it worse, not better!

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