Re: How to turn off the backlight?

Did you add "Option  "DPMS" in the Monitor section of 
your /etc/X11/xorg.con file?

Andrew.

On Sun May 22 2005 10:02, Pierre-Luc Drouin wrote:
> Hi,
>
> I got a new Dell laptop (Precision M70). I would like to know how I
> can turn off the backlight of the LCD. The backlight doesn't turn off
> when I flip down the screen or when asked by xscreensaver.
>
> I've also tried the different sleep states without success. S1 and S2
> don't seem to be supported and I get "acpi0: device_suspend failed"
> when I try S3 or S4.
>
> Thanks
>
> FreeBSD 5.4-RELEASE #0: Thu May 19 23:21:03 EDT 2005
> ...
> acpi0: <DELL CPi R  > on motherboard
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
> cpu0: <ACPI CPU (4 Cx states)> on acpi0
> acpi_throttle0: <ACPI CPU Throttling> on cpu0
> acpi_acad0: <AC Adapter> on acpi0
> acpi_cmbat0: <Control Method Battery> on acpi0
> acpi_cmbat1: <Control Method Battery> on acpi0
> acpi_lid0: <Control Method Lid Switch> on acpi0
> acpi_button0: <Power Button> on acpi0
> acpi_button1: <Sleep Button> on acpi0
> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
> acpi_tz0: <Thermal Zone> on acpi0
> atkbdc0: <Keyboard controller (i8042)> port 0x66,0x62,0x64,0x60 irq 1
> on acpi0
> sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10
> on acpi0
> ...
> nvidia0: <Quadro FX Go1400> mem
> 0xde000000-0xdeffffff,0xc0000000-0xcfffffff,0xdd000000-0xddffffff irq
> 16 at device 0.0 on pci1
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-- 

Best regards,
Andrew Wu.

//====================================================================//
// Andrew Yauhwa Wu                                [email protected] //
//====================================================================//
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