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Windows 7: Blank Screen for 30 Seconds before boot starts?

15 Jan 2010   #1

OSX and Windows 7
Blank Screen for 30 Seconds before boot starts?

On my old Sony laptop this problem never occurs, but after duel bootng OSX and Windows 7 on my MacBook I get this possible problem on every boot.

My MacBook starts as nromal, I select Windows 7 (OSX boots fine) and it just hangs on a blank screen for around 20 seconds with an underscore flashing the whole time before anything starts to happen (that bit where the Windows logo forms etc).

This makes the boot times around 1 minute or so, whereas on my old laptop they're only around 30 seconds.

This is Windows 7 Ultimate (64-bit). Everything is updated, using Bootcamp 3.0 drivers etc, working perfectly just like XP did.

I'm sure this question has been asked before, but I have tried searching, and can't seem to find anyone with this problem. Is this just apart of booting? Why doesn't this happen on my other PC?


Edit: Mis-typed title, meant to say 20 seconds.

My System SpecsSystem Spec

15 Jan 2010   #2

Windows 7 x64 Ultimate

You can try looking in the system log files (from the log viewer under admin tools). Ususally if a driver or piece of hardware takes longer than expected to become active a warning it put in the log.

On the other end of the spectrum is the Windows Performance Toolkit which you can DL from here:
Windows Performance Analysis Developer Center

It is much more involved but it can possibly pinpoint a specific driver that is hanging for 30 seconds. That is assuming that the black screen is during the windows boot and is not bootcamp itself waiting for something bfore actually starting the windows boot...
My System SpecsSystem Spec
15 Jan 2010   #3

OSX and Windows 7

I am 99% sure it's not bootcamp, because the screen is white with a Windows logo on whilst it does all that, then it changes to the black screen with the flashing underscore for 20-30 seconds (which it never did with XP), the underscore disappears, then the "Starting Windows" begins to appear.

Edit: I just timed it, it's actually 45 seconds! And that Windows Performance tool comes with a SDK, making it over 4GB. Is there a download just of the performance tool with no SDK?
My System SpecsSystem Spec

16 Jan 2010   #4

OSX and Windows 7

My System SpecsSystem Spec

 Blank Screen for 30 Seconds before boot starts?

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