External Monitor Display on MBP

Discussion in 'Mac Basics and Help' started by Silent!Avenger, Mar 16, 2008.

  1. Silent!Avenger macrumors newbie

    Joined:
    Mar 15, 2008
    #1
    Hi, I recently got a Dell 24" 2408WFP. I noticed that the image on the display is significantly better when my MBP's display is closed and off.

    Has anyone else noticed this?

    It seems as if the display it self gets a bit more blurry. Also, I double checked to make sure the resolution was 1920x1200 @ 60 Hz, Millions of colors with and without the MBP being open.
     
  2. Silent!Avenger thread starter macrumors newbie

    Joined:
    Mar 15, 2008
    #2
    Is there a print screen function key on macs? I'm wondering if a screen shot of the two screens will show a difference (though my guess is it won't).
     
  3. gelatin macrumors 6502

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    Sep 16, 2006
  4. pianoman macrumors 68000

    pianoman

    Joined:
    May 31, 2006
    #4
    don't know what's causing your problem as i'm unfamiliar with Dell displays, but the key combo for print screen in cmd+shift+3. i doubt a print screen will show us anything as your issue is likely caused by hardware. have you tried checking the connections between the computer and the display?
     
  5. richard.mac macrumors 603

    richard.mac

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  6. mankar4 macrumors 6502a

    mankar4

    Joined:
    Aug 23, 2007
    Location:
    USA
    #6
    odd... Have you made sure that the internal monitor settings are set to "mac" rather than pc?
     
  7. Silent!Avenger thread starter macrumors newbie

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    Mar 15, 2008
  8. bagelche macrumors 6502

    bagelche

    Joined:
    Nov 2, 2007
    Location:
    Western Mass.
    #8
    I'm guessing this is an issue with mirroring and scaling the MBP's resolution the higher res of the display. When the MBP is closed it's no longer mirroring and should be at it's correct resolution.
     
  9. aaronw1986 macrumors 68030

    Joined:
    Oct 31, 2006
    #9
    Actually...when you use two monitors, the VRAM is equally split between the monitors. This means when the MBP is closed, it can utilize all of the graphics card. Just to note: I've ran a 24inch LCD just fine, never noticed the OP's problem.
     
  10. Antimatter macrumors regular

    Joined:
    Sep 16, 2007
    #10
    Isn't that only while in mirror mode?

    To the OP, are you in mirror mode?
     
  11. aaronw1986 macrumors 68030

    Joined:
    Oct 31, 2006
    #11
    No, it's whenever you are using two screens, in mirror mode, or when they show different thigns.
     

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