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  1. #1


    Member Since
    Dec 18, 2008
    Posts
    1
    MacBook - Dell 2408WFP problem
    Brand new Macbook, brand new Dell 2408WFP. Connected from minidisplay-vga. The problem I am having is that about every 10 minutes the display goes black and reconnects only when I touch my mouse. Very frustrating, I called Apple support and they took me through troubleshooting and determined it wasn't the Mac. I haven't called Dell yet (got stuck on hold).

    My monitor settings: 1920x1200 60 Hz. When I switched down to 1600x1000 at 75 Hz, the problem appeared to go away. However i want the 19x12 setting. There is no way I can tell to adjust the speed manually.

    Some other tidbits
    • the 2408 monitor is fine with my old PC running Windows XP
    • my old Dell 19" monitor is fine with the new Mac - it's not a widescreen monitor.
    • Apple says it's not their problem


    Any advice?

    Thanks
    Sam

  2. #2

    Aptmunich's Avatar
    Member Since
    Mar 09, 2004
    Location
    Munich
    Posts
    9,073
    Specs:
    Aluminium Macbook 2.4 Ghz 4GB RAM, SSD 24" Samsung Display, iPhone 4, iPad 2
    That sounds as though the Mac is set to put the display to sleep after a certain amount of time... have you checked your energy saving settings?

  3. #3


    Member Since
    Jan 09, 2009
    Posts
    1
    dell 2408 monitor problem with macbook pro -
    Hi, Bonjour,

    same problem as you. Dell changed the monitor from a 2405 to 2408, problem there too ! let me know if you find a solution. Ichecked the energy savings, nothing there to manage an external monitor.

    RunningDream




    Quote Originally Posted by samboo View Post
    Brand new Macbook, brand new Dell 2408WFP. Connected from minidisplay-vga. The problem I am having is that about every 10 minutes the display goes black and reconnects only when I touch my mouse. Very frustrating, I called Apple support and they took me through troubleshooting and determined it wasn't the Mac. I haven't called Dell yet (got stuck on hold).

    My monitor settings: 1920x1200 60 Hz. When I switched down to 1600x1000 at 75 Hz, the problem appeared to go away. However i want the 19x12 setting. There is no way I can tell to adjust the speed manually.

    Some other tidbits
    • the 2408 monitor is fine with my old PC running Windows XP
    • my old Dell 19" monitor is fine with the new Mac - it's not a widescreen monitor.
    • Apple says it's not their problem


    Any advice?

    Thanks
    Sam

  4. #4

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Location
    Texas, where else?
    Posts
    26,519
    Specs:
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    Quote Originally Posted by runningdream View Post
    Hi, Bonjour,

    same problem as you. Dell changed the monitor from a 2405 to 2408, problem there too ! let me know if you find a solution. Ichecked the energy savings, nothing there to manage an external monitor.

    RunningDream
    On the "Sleep" tab
    Try moving the slider underneath:
    "Put the display(s) to sleep when the computer is inactive for:"
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  5. #5


    Member Since
    May 26, 2009
    Posts
    1
    Quote Originally Posted by samboo View Post
    The problem I am having is that about every 10 minutes the display goes black and reconnects only when I touch my mouse.
    Samboo, this has nothing to do with your Macbook. I have the very same problem with my 2408WFP on Linux with DVI, too. After the monitor is powered on for a while this problem goes away, but its frustrating anyways. Let me know when you found a solution or got an answer from DELL.

  6. #6


    Member Since
    Feb 07, 2009
    Posts
    8
    I recently bought a Dell 2408WFP and noticed almost immediately the same problem. However, then a firmware update appeared from Mac for the mini-display to VGA adapter and the problem has disappeared.

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