02
Jun
2009

How to fix screen flash in Windows 7

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windows 7Every now and then, Windows 7 may show an issue related to weird screen flashes. This problem occurs whenever user selects a folder or browses to a new web page. At this point the screen start flashing out for a few seconds also displaying a “Not Responding” error in the top left corner. Let’s see how to fix this screen flash error in a few, easy steps.

Let me tell that this issue is usually due to an optimization to increase PC shutdown speed. Usually, this optimisation is performed by advanced users after hacking Windows Registry. Other times instead the error is due to technical issues which don’t depend on the user at all. Whatever the reason, here is the steps to fix the screen flashes:

  1. Click Start.
  2. In the Search box, type regedit and press Enter.
  3. Delete the following keys:

    4. HKEY_USERS\.DEFAULT\Control Panel\Desktop\HungAppTimeOut
    HKEY_USERS\.DEFAULT\Control Panel\Desktop\WaitToKillAppTimeOut
    HKEY_CURRENT_USER\Control Panel\Desktop\HungAppTimeOut
    HKEY_CURRENT_USER\Control Panel\Desktop\WaitToKillAppTimeOut
    HKEY_CURRENT_USER\Control Panel\Desktop\WaitToKillServiceTimeOut

Restart the computer for the change to take effect.


Tags: bugs, hack, Win7



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2 Comments to “How to fix screen flash in Windows 7”

  1. Joel B Fitzgerald Says:
    December 21st, 2009 at 8:12 am

    Once I get to regedit, I narrow down the first key to Desktop and then I have two folders: Muicached & Window Metrics. What do I do from here to get to HungAppTimeOut? -I actually can’t find any of those past the Desktop folder…

  2. Holly Says:
    January 2nd, 2010 at 8:10 am

    I am having the same problem and cannot locate these ‘keys’ to delete! Please, can anyone help???

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