About the hardware calibration system with the Macbook Pro display

I hope someone can help me out with a calibration problem I'm having. When I wake up my macbook from sleep (running OS X) the system automatically calibrates it and you can quickly see it switch from a blue tint to the proper colour profile. This is fine. However, I've installed Windows XP Pro via Bootcamp and the blue tint is there, the colours aren't right and this makes it particularly difficult for photo editing.
At first I thought it might just be me so I installed "VMWare Fusion" and ran Windows from a virtual drive. Since it was using OSX's calibration the colours were perfect. Is there any way to access monitor controls or a way to fix this? Software tweaks with the nVidia control panel don't make a difference. I've adjusted the gamma and had a go with the B/C settings but no luck. I think it is apparent that this is a problem with the firmware or something deeper than anything a software tweak could fix, judging by the auto-calibration during wake-up.

ctschach sez: "Well, you'll need a proper profile for WindowXP which will be loaded during the startup - there are no default profiles included in WindowsXP."
Yup! This is what is happening:
When you are in Mac OS X you are able to use ColorSync. In the Displays preference pane under 'color' you are able to choose or create your own color profile for the operating system to use for your display. When the OS is running, it is using your chosen display color profile.
Now you boot, via Bootcamp, into Windows. There is no ColorSync in Windows. The color profile your display was using in Mac OS X is still in Mac OS X. Windows hasn't got a clue about it. This has N O T H I N G to do with hardware. This issue is about getting a software color calibration profile for your display while you are running Windows.
So what does Microsoft offer in XP? It's time to go visit Microsoft to answer than question! I won't do your homework for you, but this will get you started:
http://search.microsoft.com/results.aspx?mkt=en-US&form=MSHOME&setlang=en-US&q=W indowsXP+colorcalibration&x=8&y=7
Next issue: Is it worth buying a colorimeter for an Apple laptop? --> NO WAY!
(A) They are exorbitantly expensive.
(B) They are a total waste on a MacBook or MacBook Pro. The Apple laptop LCD displays cannot do 24 bit 'millions of colors' despite what you have read. They can only do 18 bit color (6 bits per Red, Green, Blue). The OS then uses dithering to fake the missing colors. Therefore, they are lousy for doing color management. The best you are going to get is a guestimation of what the image really looks like. You might as well just use what Apple provides for creating your own calibration in the Display preference pane under 'color'.
It would be much better to judge color with a calibrated Apple Cinema Display, which uses actual 24 bit color, or even better use a calibrated good quality CRT, still considered the optimum display for color management.
I have posted a brief dissertation about color management on LCD displays in response to a few queries in this group already, so I won't post it again. If anyone would like a copy, just bounce me a note.
:-Derek

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Hey there mbarikiwa,
If your iMac still has not recognized the usb modem, I would use the troubleshooting for Yosemite USB issues in the following article:
OS X Yosemite: If a USB device isn’t working
If the device is connected to a USB hub:
Make sure the device and the hub are the same speed. Connect USB 3.0 SuperSpeed devices to a USB 3.0 SuperSpeed HUB, USB 2.0 Hi-Speed devices to a USB 2.0 Hi-Speed hub, and so on.
If the device doesn’t have a power cord and is plugged into another USB device that doesn’t have a power cord:
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If you have many devices connected to your Mac:
Disconnect all USB devices except the device you’re testing, an Apple keyboard, and an Apple mouse. Make sure that the device is connected directly to the computer, and that any hubs or extension cables are disconnected. If you can use the device now, the problem may be with one of the other USB devices or hubs you had connected to your computer. Try reconnecting them, one by one, to your computer. When you find the device causing the problem, review its documentation for further troubleshooting steps.
Verify that the device appears in System Information:
Choose Apple menu > About This Mac. In the window that appears, click Overview, then click the System Report button to open System Information.
In the window that appears, see if the USB device is listed below Hardware in the Contents list. If the device appears but does not work, review the device’s documentation for further troubleshooting steps.
Restart apps:
Quit and restart any apps that use the device.
Restart your Mac:
Choose Apple menu > Restart.
Check your device’s USB connection
Thank you for using Apple Support Communities.
All the very best,
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wjosten wrote:
Shootist007 wrote:
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Can we assumed that the Disk Utility you used was not on your hard disk? If it was on the hard disk you can ignore most of the advice here and we should start again.
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About the hardware calibration system with the Macbook Pro display

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