Blank screen at boot (intel GMA 4500M, kernel 3.4.7-1)

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https://bbs.archlinux.org – I've been trying to fix this for the past day or so, and I'm not having any luck.What happens is that, during boot, Arch will be doing its usual boot thing.  When it gets to the 'udev' part, the screen goes blank and won't come back on by itself.  By blank, I don't mean that it goes black; the backlight turns off rendering it effectively powerless, as if it wasn't on.So far, the only way for me to get it turned back on is to issue the following command as root:setpci -s 00:02.0 F4.B=00(The '00' at the end is the brightness.  00=bright (HowTos)