Adjusting brightness on NC20

Discussions about Linux installation and configuration on Samsung laptops
youngtrotsky
Newbie
Newbie
Posts: 2
Joined: 27/09/2010, 11:44

Adjusting brightness on NC20

Postby youngtrotsky » 27/09/2010, 12:22

Hi,
Have been looking all through the forum for last 3 days (currently no internet in my apartment - spending 3 hours a day in starbucks :() trying to figure out how to get the FN-up and FN-down keys to work adjusting my backlight. Just found a thread where someone was asked to post the results of

Code: Select all

lspci -nn
sudo dmidecode -s system-product-name
so that a fix could be made for this problem on their specific model. So here are my results:

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lspci -nn
00:00.0 Host bridge [0600]: VIA Technologies, Inc. VX800 Host Bridge [1106:0353] (rev 12)
00:00.1 Host bridge [0600]: VIA Technologies, Inc. VX800/VX820 Error Reporting [1106:1353]
00:00.2 Host bridge [0600]: VIA Technologies, Inc. VX800/VX820 Host Bus Control [1106:2353]
00:00.3 Host bridge [0600]: VIA Technologies, Inc. VX800 PCI to PCI Bridge [1106:3353]
00:00.4 Host bridge [0600]: VIA Technologies, Inc. VX800/VX820 Power Management Control [1106:4353]
00:00.5 PIC [0800]: VIA Technologies, Inc. VX800/VX820 APIC and Central Traffic Control [1106:5353]
00:00.6 Host bridge [0600]: VIA Technologies, Inc. VX800/VX820 Scratch Registers [1106:6353]
00:00.7 Host bridge [0600]: VIA Technologies, Inc. VX800/VX820 North-South Module Interface Control [1106:7353]
00:01.0 VGA compatible controller [0300]: VIA Technologies, Inc. VX800/VX820 Chrome 9 HC3 Integrated Graphics [1106:1122] (rev 11)
00:03.0 PCI bridge [0604]: VIA Technologies, Inc. VX800/VX820 PCI Express Root Port [1106:e353]
00:03.1 PCI bridge [0604]: VIA Technologies, Inc. VX800/VX820 PCI Express Root Port [1106:f353]
00:0d.0 FLASH memory [0501]: VIA Technologies, Inc. Secure Digital Memory Card Controller [1106:9530]
00:0f.0 IDE interface [0101]: VIA Technologies, Inc. VX800 Serial ATA and EIDE Controller [1106:5324]
00:10.0 USB Controller [0c03]: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller [1106:3038] (rev a0)
00:10.1 USB Controller [0c03]: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller [1106:3038] (rev a0)
00:10.2 USB Controller [0c03]: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller [1106:3038] (rev a0)
00:10.4 USB Controller [0c03]: VIA Technologies, Inc. USB 2.0 [1106:3104] (rev 90)
00:11.0 ISA bridge [0601]: VIA Technologies, Inc. VX800/VX820 Bus Control and Power Management [1106:8353]
00:11.7 Host bridge [0600]: VIA Technologies, Inc. VX8xx South-North Module Interface Control [1106:a353]
00:14.0 Audio device [0403]: VIA Technologies, Inc. VT1708/A [Azalia HDAC] (VIA High Definition Audio Controller) [1106:3288] (rev 20)
01:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR5001 Wireless Network Adapter [168c:001c] (rev 01)
02:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller [11ab:4354] (rev 13)

and

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sudo dmidecode -s system-product-name
NC20/NB20


Any help greatly appreciated - I am getting sick of having to adjust my brightness in BIOS and then sticking with it until my next restart!

Thanks.

youngtrotsky
Newbie
Newbie
Posts: 2
Joined: 27/09/2010, 11:44

Re: Adjusting brightness on NC20

Postby youngtrotsky » 28/09/2010, 10:38

Never mind, working after a full upgrade - thought I did this yesterday but apparently something went wrong. The only remaining problem is that the backlight occasionally starts rapidly switching between the 1st and 2nd brightness settings until another hotkey is pressed (e.g. volume up). This seems to happen soon after start-up but has also happened during a session. Anyone else had this problem? Thanks.


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