IMac displays a black screen during installation of Windows 7

I tried to install windows 7 on my imac 27" but imac displays a black screen during installation of windows 7.
I also tried to install it as apples instruction of http://support.apple.com/kb/ts3173 but it failed.
Any solution please.. thanks
I have a late 27" imac with OS X 10.85

Here is an over-simplified explanation of WIM and CLG files. Assume your DVD Media contains
W7- Ultimate
W7- Professional
W7- Home Premium
W7- Home Basic
WIM Files
File1
y
y
y
y
File2
y
y
y
y
File3
y
File4
y
y
File4
y
y
y
The File .wim will contains a compressed image which contains File [1...5].
The W7-Ultimate .clg will have 5 entries, with all set to 'Y'.
The W7-Professional .clg will have 5 entries, with 'Y','Y','N','Y','Y'.
The W7-Home Premium .clg will have 5 entries, with 'Y','Y','N','N','Y'.
The W7-Home Basic .clg file will have 5 entries, with 'Y','Y','N','N','N'.
This allows a single .wim Image file on the DVD media to be used to install any of the 5 flavors of Windows. When you enter your product key, the Installer knows what specific W7 variant you have the key for and will tell the WIM to extract the specific files the installer needs to be extracted.
The following line
<cpi:offlineImage cpi:source="wim:d:/sources/install.wim#Windows 7 ULTIMATE" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
is telling that a retail product key will be entered, which should go look for this specific .clg file (from the five you already have on disk). You can test if it will work for you by changing this line to the following
<cpi:offlineImage cpi:source="wim:d:/sources/install.wim#Windows 7 PROFESSIONAL" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
If it does not work, the other issue can be related to device discovery. Typically A: and B: device names are reserved for Floppy Drives. C: is your internal HDD.
D: can either point to the Optical drive, or the USB. The normal convention is that the removable media is named from Z: backwards. Y: and Z: are usually used for Network drives, so X: should be your USB. First try with the change to "Professional". If it does not work,

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Apples update didn't work for me: Boot Camp: iMac displays a black screen during installation of Windows 7

Boot Camp: iMac displays a black screen during installation of Windows 7 - Apple Support
I have followed each of the steps listed in the link above with no success.
Prior to adding the extra drivers I was able to start the Windows install process up to reformatting the "Windows" Bootcamp drive. After that the computer would go through some instal processes and eventually restart. After the restart the screen would go black. The black screen lead me to the Apple Support link above dated March 5 2015. After going through steps listed in the link above, I get an error message stating that the D:\Sources\instal.win. file cannot be located. I am forced to restart the computer at that point and theWindows install process attempts to start again but always ends up at the same point.
Note: I am installing windows 7 Pro from a DVD. I scanned the AutoUnattend.xml file and noticed that it refers to "Windows 7 ULTIMATE" but not "Pro" or any others that I could see. (see below). Could that be part of the issue?
Any feedback would be greatly appreciated.
<cpi:offlineImage cpi:source="wim:d:/sources/install.wim#Windows 7 ULTIMATE" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
</unattend>
iMac (27-inch, Late 2009)
2.66 GHz Intel Core i5
16 GB 1067 MHz DDR3
ATI Radeon HD 4850 512 MB

Here is an over-simplified explanation of WIM and CLG files. Assume your DVD Media contains
W7- Ultimate
W7- Professional
W7- Home Premium
W7- Home Basic
WIM Files
File1
y
y
y
y
File2
y
y
y
y
File3
y
File4
y
y
File4
y
y
y
The File .wim will contains a compressed image which contains File [1...5].
The W7-Ultimate .clg will have 5 entries, with all set to 'Y'.
The W7-Professional .clg will have 5 entries, with 'Y','Y','N','Y','Y'.
The W7-Home Premium .clg will have 5 entries, with 'Y','Y','N','N','Y'.
The W7-Home Basic .clg file will have 5 entries, with 'Y','Y','N','N','N'.
This allows a single .wim Image file on the DVD media to be used to install any of the 5 flavors of Windows. When you enter your product key, the Installer knows what specific W7 variant you have the key for and will tell the WIM to extract the specific files the installer needs to be extracted.
The following line
<cpi:offlineImage cpi:source="wim:d:/sources/install.wim#Windows 7 ULTIMATE" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
is telling that a retail product key will be entered, which should go look for this specific .clg file (from the five you already have on disk). You can test if it will work for you by changing this line to the following
<cpi:offlineImage cpi:source="wim:d:/sources/install.wim#Windows 7 PROFESSIONAL" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
If it does not work, the other issue can be related to device discovery. Typically A: and B: device names are reserved for Floppy Drives. C: is your internal HDD.
D: can either point to the Optical drive, or the USB. The normal convention is that the removable media is named from Z: backwards. Y: and Z: are usually used for Network drives, so X: should be your USB. First try with the change to "Professional". If it does not work,

Probelm while installing windows 7 on MacBook pro through bootcamp? I am getting a black screen during installation

Probelm while installing windows 7 on MacBook pro through bootcamp? I am getting a black screen during installation

Apple Support Boot Camp
Is there any article in the above?
did you read the pdf before beginning from Boot Camp Assistant?
Did you upgrade to Lion or was it pre-installed?

Imac displays a black screen stating "No bootable device --insert boot disk and press any key", imac displays a black screen stating "No bootable device --insert boot disk and press any key"

I've had boot camp run a setup on my macbook pro, I have a disk from Dell that states "for reinstalling Dell Inspiron and XPS system software". I would not read the disk as I am still looking at the black screen that portrays the Above statement of "No bootable device --insert boot disk and press any key"
my keyboard is inoperable at this point until I could do anything further with the above directions. This was my first time using a Mac and Boot Camp was a setup that I thought would help me become more well aquainted due to my history with windows. Could anyone be of assistance w/ my situation?

... I have a disk from Dell that states "for reinstalling Dell Inspiron and XPS system software".
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The monitor supports both VGA and DVI-D. I was using DVI-D.
On a hunch, I slapped a DVI-D/VGA adapter on the back of the Mini and swapped in a VGA cable.
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I am facing the following problem when I am trying to install win98 on the above machine Portege 7220 (/PIII650/64/12/13t/M), on its docking station ...
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Message was edited by: DaVBMan

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Adobe Flash Player - Version: 12.0.0.41
Shockwave Flash 12.0 r0
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application/x-shockwave-flash Shockwave Flash .swf
application/futuresplash FutureSplash Player .spl
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application/x-pnacl Portable Native Client Executable .
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application/java-deployment-toolkit
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application/x-java-bean JavaBeans
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application/x-java-applet;version=1.1.3
application/x-java-bean;version=1.1.3
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application/x-java-bean;version=1.3
application/x-java-applet;version=1.2.2
application/x-java-bean;version=1.2.2
application/x-java-applet;version=1.2.1
application/x-java-bean;version=1.2.1
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application/x-java-bean;version=1.3.1
application/x-java-applet;version=1.4
application/x-java-bean;version=1.4
application/x-java-applet;version=1.4.1
application/x-java-bean;version=1.4.1
application/x-java-applet;version=1.4.2
application/x-java-bean;version=1.4.2
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application/x-java-bean;version=1.5
application/x-java-applet;version=1.6
application/x-java-bean;version=1.6
application/x-java-applet;version=1.7
application/x-java-bean;version=1.7
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application/x-java-bean;jpi-version=1.7.0_45
application/x-java-vm-npruntime
application/x-java-applet;deploy=10.45.2
application/x-java-applet;javafx=2.2.45
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Windows Live Photo Gallery - Version: 15.4.3508.1109_ship.wlx.w4m4 (ship)
NPWLPG
Name: Windows Live Photo Gallery
Description: NPWLPG
Version: 15.4.3508.1109_ship.wlx.w4m4 (ship)
Location: C:\Program Files (x86)\Windows Live\Photo Gallery\NPWLPG.dll
Type: NPAPI
Disable
MIME types: MIME type Description File extensions
application/x-wlpg3-detect Windows Live Photo Gallery .wlpg
application/x-wlpg-detect Windows Live Photo Gallery .wlpg
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Google Update - Version: 1.3.22.3
Name: Google Update
Version: 1.3.22.3
Location: C:\Users\njdp\AppData\Local\Google\Update\1.3.22.3\npGoogleUpdate3.dll
Type: NPAPI
Disable
MIME types: MIME type Description File extensions
application/x-vnd.google.update3webcontrol.3
application/x-vnd.google.oneclickctrl.9
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Silverlight - Version: 5.1.20913.0
Name: Silverlight Plug-In
Version: 5.1.20913.0
Location: c:\Program Files (x86)\Microsoft Silverlight\5.1.20913.0\npctrl.dll
Type: NPAPI
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MIME types: MIME type Description File extensions
application/x-silverlight npctrl .scr
application/x-silverlight-2
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IMac displays a black screen during installation of Windows 7

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