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Since the storm I get: "Check monitor cable"

296 Views 8 Replies Latest reply: Jan 21, 2013 11:06 AM by Walter Wedler RSS
Walter Wedler Level 2 Level 2 (225 points)
Currently Being Moderated
Jan 20, 2013 8:30 AM

Since the storm I get: "Check monitor cable" every time I either turn off my Samsung SyncMaster 244T monitor or shut down my Mac Pro running 10.6.8.

It use to come back on in ~10 seconds. The "Check monitor cable" message only goes away when I push the monitors source button after which "digital" returns and everything works normal (even restarts). I unpluged the monitor cable at the monitor and my Mac changing power-strips, outlets has not changed anything.

It is taking longer and longer after a shut down for me to get everything back to normal. If the cable would be bad (I don't have an extra one), why is it working normal when I leave everything on? My question is: Is it the system, monitor, video card, resetting, what are the logical steps to figure this out?

Please help.

                    Walter

  • Grant Bennet-Alder Level 8 Level 8 (48,115 points)
    Currently Being Moderated
    Jan 20, 2013 11:41 AM (in response to Walter Wedler)

    The "Check monitor cable" message only goes away when I push the monitors source button after which "digital" returns

    Where is this button? If on the display, the problem may be in the stored configuration in the display. Does it have its own backup battery?

    Mac Pro (Early 2009), Mac OS X (10.6.8), & Server, PPC, & AppleTalk Printers
  • The hatter Level 9 Level 9 (58,580 points)
    Currently Being Moderated
    Jan 20, 2013 11:50 AM (in response to Walter Wedler)

    While trying to access the damage... pickup a CyberPower 1500VA UPS

  • Grant Bennet-Alder Level 8 Level 8 (48,115 points)
    Currently Being Moderated
    Jan 21, 2013 9:44 AM (in response to Walter Wedler)

    It sounds like this is a problem with your multi-input display. The display does not seem to be remembering what the last-used input was, _OR_ it is not switching to digital when digital is available.

     

    If there is a backup battery inside, it may need a new one. Otherwise, I suggest you contact the manufacturer to see if there is some sort of Deep Reset you can perform to get it to remember (or switch automatically) more faithfully.

    Mac Pro (Early 2009), Mac OS X (10.6.8), & Server, PPC, & AppleTalk Printers
  • Grant Bennet-Alder Level 8 Level 8 (48,115 points)
    Currently Being Moderated
    Jan 21, 2013 10:57 AM (in response to Walter Wedler)

    The reference to a battery would be a tiny coin cell that helps the device remember important parameters, not a battery capable of powering the whole display.

     

    Many devices, including your Mac Pro tower, have such a backup battery.

    Mac Pro (Early 2009), Mac OS X (10.6.8), & Server, PPC, & AppleTalk Printers

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