4. "Unable to set LUTs" in Windows systems

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Mike Hynes
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4. "Unable to set LUTs" in Windows systems

Post by Mike Hynes » Mon Nov 19, 2012 6:31 pm

Error 'Unable to set LUTs' on Windows systems . . . .

Getting an error ‘Unable to set LUTs’, when trying to save a monitor profile created with ColorMunki software on Windows.
What does this mean and how can I solve it?

LUT stands for ‘Look Up Table’ and refers to the VideoLUTs in the graphic card, where calibration data created with the ColorMunki Software will be loaded. The error message ‘Unable to set LUTs’ indicates that the calibration data could not be loaded successfully. This can be caused by a conflict with access to the graphic card (for which see the Topic - Test video card compatibility re “Unable to set LUTs”)

On Windows in general the most common reasons are :
• No Administration rights: make sure you are logged in as Administrator to your computer
• Other gamma loaders present in Start > Programs > Startup: make sure only ‘ColorMunki Gamma’ is present here, delete all others, e.g. Adobe Gamma

On Windows XP the following issue might cause the error message:
• Make sure, that the ‘Hardware Acceleration’ is set to ‘Maximum’ in the Control Panel ‘Displays > Settings > Advanced > Troubleshooting’

On Windows Vista and Windows 7 these additional reasons have been recognized:
• Disable ‘Windows Defender’ in Control Panel Security
• Disable ‘User Account Control’ in control panel ‘User Accounts' on Vista, respectively; set ‘User Account Control’ to lowest level on Windows 7

Related links:
• Windows Defender – Turning Off and On
http://www.xrite.com/product_overview.a ... ortID=4639
• Temporarily disabling ‘User Account Control’
http://www.xrite.com/product_overview.a ... ortID=4378

Information taken from X-Rite web site 19 Nov 2012

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