Boot Camp: iMac (27-inch, Late 2009) displays a black screen during installation of Windows 7 using Boot Camp http://support.apple.com/kb/TS3173. Since it is an Image-File frome a previous (working) Bootcamp Installation it should not be necessary, but there is an upgrade for the graphics and bluetooth driver from Apple with an installation instruction found here 'Boot Camp: iMac displays a black screen during installation of Windows 7' which adresses this problem.
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The specs
- MacBook 13', mid-2010
- nVidia GeForce 320M
- Partitions:
- Macintosh HD (27.5 GB free of 179.2 GB)
- BOOTCAMP (5.72 GB free of 70 GB)
- Windows 7 SP 1
- RAM: One 2 GB stick, one 1 GB stick, both 1067 MHz DDR3
- Installed applications:
- 64-bit:
- Boot Camp
- CCleaner
- GIMP 2
- Java Runtime 7
- PeaZip
- Rainmeter
- TeraCopy
- 32-bit:
- BIMP Lite
- Glary Utilities
- Google Chrome
- KeePass 2
- Mozilla Firefox
- Notepad++
- OpenOffice.org 3
- Skype
- Steam (plus five games)
- VLC
- WinDirStat
- WinSCP
- 64-bit:
The problem specifics, and what I tried
- The computer boots fine and shows the 'Starting Windows' screen. The screen goes blank for a moment, then my pointer appears, then the screen goes black again for good. There's not even any backlight.
- F8 works fine. Safe Mode with Networking works fine.
- I booted into Safe Mode and installed the newest GeForce 320M driver, 320.49 WHQL. The problem persists.
- I went to 'Repair Your System' from the F8 menu, then used the startup fixer and the RAM checker. Both found no problems, and the problem persists.
- Lastly, I tried a fix off the Tom's Hardware forums: booted to safe mode, created a new admin account, deleted the old one, and rebooted normally. The problem persists.
This is a problem that has persisted with my computer, after multiple clean installs. I want to make sure it's not just something I happen to be doing over and over again after I get Windows installed, hence the program list.
1 Answer
It would seem that Nvidia's GeForce 320.49 driver is bugged. I developed the same issue after updating from version 320.18 on Windows 8 with an Nvidia 330m (using their GeForce Experience auto-updater. Worked until I tried to boot back into Windows a few days later.). Reverting to the 320.18 driver appears to have fixed the issue for me (I had to use System Restore, as Windows 8 doesn't offer an easy way that I can see to boot into Safe Mode without having access to Windows 8's settings).
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GeForce Experience is still offering to install the 320.49 driver for me, but I can no longer find reference on Nvidia's website that this driver was released out of beta on 7/1 as GeForce Experience reports. Since I remember seeing it as the recommended version on 7/2 (when I saw this question and went to update my Windows partition), I can only guess that it has been pulled, and looking through the Nvidia driver forums makes it sound like the driver had other issues (I can't find a good source for this problem specifically).
320.18 appears to be the recommended version currently. Hope that helps.
Bootcamp Windows 7 Black Screen Fix Not Genuine
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Hi everybody!
After few days trying to solve this issue, I've finally solved it!
My problem was that after installing the Windows 7 64bits on a bootcamp partition, windows didn't boot, and only a black screen with a blinking cursos is shown on the iMac screen.
Finally I've found 3 commands that have solved the boot problem.
Turn on the iMac with the Windows 7 Installation Disc on SuperDrive or Windows 7 installation on the USB.
Romantic music er.
Press the Alt until the boot selector is shown.
Select the DVD/USB windows installation
Boot Camp Windows 7 Black Screen Fix Download
Select your language and time bla bla bla. click next.
After that, select Repair.
Then select the windows installation and click next,
After click on the last option from the menu to open a Prompt window.
Write and press enter after each sentence:
1- c:/Bootrec.exe /FixMbr
2- c:/Bootrec.exe /FixBoot
3- c:/Bootrec.exe /RebuildBcd
Each command return a successfull message.
Close, and reboot!!
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GOOD LUCK!
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iMac, OS X Mountain Lion (10.8.2)
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