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      ThinkVision L2250p monitor may not wake or become unresponsive after going into Standby mode - ThinkCentre M58, M58p


      The ThinkVision L2250p monitor, when connected to a ThinkCentre M58/M58p via VGA or DisplayPort using a DisplayPort to DVI cable, may not wake up or
      may lock up when running Microsoft Windows XP SP3 with Power Manager installed.  The user may need to remove the power from the display and plug it
      back in and/or reboot the system to be able to view the video again.

      Affected configurations

      The above symptom is associated with, but not limited to, the following systems:

      • ThinkCentre M58, M58p

      Applies To:

      • Microsoft Windows XP Professional

      None.  Do not replace any hardware for this issue.


      In Power Manager, the user should uncheck the Screen Lock and Screen Saver options under the Dynamic Brightness Control section, on the Global Power Settings tab,
      as seen in the screen shot below.



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      • Alias ID: SF12-D0094
      • Document ID: HT073056
      • Last Updated :17 Jun 2014
      • © 2016 Lenovo