Screen not blanking properly (Backlight doesn't turn off)

I've been facing a weird problem lately. Whenever I leave my laptop on for a while when I'm logged on in X (I use KDE), the screen turns off after 10 minutes. All well and good. But whenever the laptop idle when logged on to a virtual console, after 15 minuites of idling, the display blanks, but the backlight stays on. The display becomes a wall of white. Is there any way to make the backlight switch off as well along with the screen blanking? I'm not using pm-utils or acpid to manage power on the virtual console right now. I'm using the logind.conf defaults.

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Try the steps listed in the below link
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01295035&tmp_task=solveCategory&cc=us&dlc=en&lc...
"I work for HP."
Please click the "White Kudos" star to say thanks for helping.
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