[Bug 490610] Re: Cannot change brightness on laptop acer aspire 5732 Z

[Michael Chapman]

I found a workaround for this.  I have Lucid Lynx Ubuntu on a 5732 Z
with Intel Mobile 4 Series Chipset.  Use 'lspci | grep VGA' to get your
device address.  Mine is '00:02.0'  Then call 'sudo setpci -s 00:02.0
F4.B=XX' where XX is a hexadecimal byte.  In my case, '00' is full
brightness and 'FF' is full darkness.  I call 'sudo setpci -s 00:02.0
F4.B=40' to make things right.

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Cannot change brightness on laptop acer aspire 5732 Z
https://bugs.launchpad.net/bugs/490610
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