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HP-Compaq 6735S


This is a guide to running Linux with the HP-Compaq 6735S laptop.

This guide is intended to provide you details on how well this laptop works with Linux and which modules you need to configure. For details on how to actually install and configure the required modules have a look at our guides section for distribution specific instructions.

This page is just for discussing using Linux on the HP-Compaq 6735s. For a general discussion about this laptop you can visit the HP-Compaq 6735s page on LapWik.

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For full specifications see the HP-Compaq 6735S specifications page.

NameHP-Compaq 6735S
ProcessorAMD Turion 64 X2 / AMD Athlon X2 / Sempron SI-40
Screen15.4” WXGA Widescreen
HDD120GB to 250GB
Optical DriveDVD+-RW
GraphicsATI Mobility Radeon HD 3200
NetworkEthernet, Broadcom 802.11abgn, Broadcom 802.11bg, Bluetooth
OtherWebcam / Card reader

Linux Compatibility

Optical DriveYes
56K ModemNot Tested
FirewireNot Tested
Card ReaderYes
ExpressCard SlotYes


* For the ATI Mobility Radeon HD 3200 you will need to install the ATI's proprietary fglrx module to get proper display support since the drive does not yet support this controller. For kernels 2.6.27.* you will need to apply unofficial patch (google for it) in order to compile fglrx driver. Please note that depending your kernel version you may need to apply changes to firegl_public.c file manually using source code from patch file.
[EDIT 04.12.2008] ATI Mobility Radeon HD 3200 works without any problems with fglrx driver as well as with an open source ati driver.
* The Broadcom wireless controller in the 6735S is well supported with latest linux distributions. Older distributions need some work. It may work with ndiswrapper or with these broadcom drivers.. For kernels 2.6.27.* you will need unofficial patch (google: hybrid_wl-
[EDIT 04.12.2008] There is a native driver, even n-draft works.
[EDIT 2008.12.06] No, as of 2.6.27, b43 driver does not recognize 14e4:4315
* Webcam works with UVC driver
* Bluetooth (sending/receiving files) works ok with native linux drivers
* Sound card works ok with native linux driver (snd_hda_intel module) but for laptop speakers you may need some extra settings (google: options snd-hda-intel model=laptop)
* USB works ok with native linux drivers (tested with few digital cameras, various storage devices, few SE mobile phones i/e SE P1i and speedtouch 330 adsl modem)
* Express card slot works ok (tested with HUAWEI E870 GPRS/EDGE/UMTS/HSDPA card)
* Lightscribe function for CD/DVD drive works ok
* Card reader works ok with native linux drivers

Known issues

* Fn key doesn`t work - in order to use some special actions (i/e shade/brighten screen) you may set left ctrl to act as Fn key.
* black screen after “wake up” from “hibernate”
* express cards don`t work in hibernate mode (afaik common issue on many laptops)
* you will need too apply some extra settings/patching (as mentioned above) in order to configure wifi/sound/graphic card which might be really hard task for unexperienced linux users.

Most of these issues are not relevant with latest linux distributions.


This laptop is a good choice for linux users.


olamilekan, 2011/12/27 08:44

i jst got a hp 6735s with win7 installed,evrytin works well except 4 fn keys for brightness.

Amine, 2011/05/25 09:24


My fan on at maximum speed every time,
lm-sensors and pwmconfig don't resolve the probleme.

Adapter: Virtual device
temp1: +49.0°C (crit = +110.0°C)
temp2: +34.0°C (crit = +256.0°C)
temp3: +52.0°C (crit = +107.0°C)
temp4: +54.0°C (crit = +105.0°C)
temp5: +24.7°C (crit = +107.0°C)
temp6: +50.0°C (crit = +110.0°C)

Adapter: ISA adapter
Core 0: +51.0°C (high = +100.0°C, crit = +100.0°C)

Adapter: ISA adapter
Core 1: +54.0°C (high = +100.0°C, crit = +100.0°C)

$sudo pwmconfig
# pwmconfig revision 5857 (2010-08-22)
This program will search your sensors for pulse width modulation (pwm)
controls, and test each one to see if it controls a fan on
your motherboard. Note that many motherboards do not have pwm
circuitry installed, even if your sensor chip supports pwm.

We will attempt to briefly stop each fan using the pwm controls.
The program will attempt to restore each fan to full speed
after testing. However, it is very important that you
physically verify that the fans have been to full speed
after the program has completed.

/usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed

can anyone help me please, Thanks advance.

Patxi J, 2011/09/01 00:32

I had the same problem. Since I use the ATI proprietary drivers, fan noise has reduced to a minimum.

Patxi J, 2011/09/03 11:38

I answer to myself: sorry, I think I was wrong. The ATI proprietary drivers seemed to be a solution for some days (I don't know why, it worked), but now I have the same problem with the speed and noise of the fan, again.

Laptop running for ten minutes and these are the results of the sensors command:

$ sensors
Adapter: Virtual device
temp1: +55.0°C (crit = +105.0°C)

Adapter: PCI adapter
temp1: +55.4°C (high = +70.0°C, crit = +100.0°C)

Is this normal/average? Fan noise is very loud now.

zloty, 2011/09/05 15:20

i have same problem with this laptop i think its normal for this model, fan construction is bad, one fan for whole laptop with different speeds. Im use pressured air for cleaning, and fan noise decreased, sorry for my english.

Werner Mengel, 2010/11/05 15:10

Wich is the best distribution from Linux for this Notebook?

Emil, 2010/02/17 15:17

battery life

Hello friends, my new laptop 6735s running on battery max. 70 min. I tested Ubuntu, Mint, Mandriva, OpenSuSe.Тhe result is the same.
At the same time work with Windows 150-170 min. Unfortunately ………
How long work on you on the battery?


martin, 2010/02/17 17:37

I am very pleased for you that you can manage 70 minutes. This morning Karmic gave me a message to say 20 mins battery life remaining and then the computer switched off “ping” not suspend or hibernate. I think I managed 10 minutes out of the battery before the “ping!”

asr, 2010/02/22 19:44

My first battery trials ran for slightly more than 2 ours (120-150). This, of course, with a shaded screen and wifi off. Can't compare with Windows as the first thing I did was to erase it, but probably it has better battery life.

On regular use I usually had 100 minutes, but this battery degraded quickly and now its hard to exceed 60-70 minutes (9 months old laptop). The battery applet on gnome says my capacity is “70% (poor)”.

My recomendations for this laptop are:

1. (very important!) disable the integrated webcam from the BIOS. It causes loads of interrupts per second that keep your CPU awake. Yes, when you are not using it.

2. Disable the Cardbus/whatever on the BIOS, too, if you are not going to use it.

3. (very important) use the privative ATI driver. The open ones just cause your battery to dry.

4. (this applies to all laptops) hate Flash. Surf the web with flash disabled. Enable it only when you really need it and remember to turn it off. Just a couple of tabs with some flash ads and your CPUs jump to 100% usage.

5. CONFIG_NO_HZ must be set in your kernel (I think this is true for most distros nowadays).

6. Compiz doesn't make a difference to me. I use it regularly but just with some shades and transparencies, no sparkles or fires in my desktop…

7. Install and configure laptop-mode-tools.

At this point, use the great “powertop” tool to track down which process or piece of hardware is keeping the CPUs from sleeping. When I run it from my desktop with wifi off and no other application running (just gnome, compiz and a terminal) I get less than 20 “wakeups-from-idle-per-second”. With no X server and no network you should get values from 6 to 10.

Marcus Radisch, 2010/02/15 08:33

I installed karmic on it. The Grafic works fine but no wireless con. Not with wl driver and not with ndiswrapper how can i get it to work.
Here is an threat in german, what i've done:

can every help me?

asr, 2010/02/23 10:38

Hello Marcus,

I see from your thread that your Wifi card is disabled.
You can see this in the output of the lspci command:

Broadcom Corporation BCM4322 802.11a/b/g/n Wireless LAN Controller (rev ff)

This “rev ff” indicates that you have pushed the wifi button on the laptop and the
card has been disabled. It is very dangerous to push this button as it is very hard
to return the card to normal status from linux. Read a message from me some posts down this one.

You need to go to your BIOS settings and use the option “Load Default Values”. If you
are lucky, the next time you boot linux, lspci will show “rev 01” instead of “rev ff”
and loading de wl driver will turn the led button blue.

If this does not work, read my post in this page about the issue.

Peter, 2010/04/20 09:24

I can confirm that pushing the wifi button is unpleasant with this notebook (my old Toshiba had a slide control to physically turn wifi on and off, which was better), but it is not necessary to reset the BIOS to its default values!

In the BIOS there is an option to set the “WiFi button state” at boot time. Change this value to “on” and boot Linux. (If the setting is already “on” set it to “off” first, save the settings, enter the BIOS again, and set it to “on”.) The wifi button should turn blue during booting then. This worked for me.

Alternatively, if you have Windoze still installed, you may boot it and press the wifi button to turn it on there before booting Linux again.

asr, 2010/01/21 11:07

Wifi (BCM4312) ceasing to work and fix

This wifi device (BCM4312 with PCI ID 14e4:4315 (rev 01)) tends to cease working from time to time. This has always happened to me when pressing the “Wifi” button. It stops working and can't be turned on again, neither rebooting nor cold booting.

I used to fix this by reseting the BIOS setup (Load Default Values), until one day this fix just stopped working. Tried upgrading the BIOS, tried removing the card from the laptop, tried lots of things. No success.

Finally, I've made it by looking for the device under the /sys/class/pci_bus directory. Mine can be found at /sys/class/pci_bus/0000:06/device/0000:06:00.0

Just browse all the possible folders and look for a vendor file containing 0x14e4 and a device of 0x4315.

Then it is as easy as doing echo 1 > broken_parity_status just did that and it resurrected instantly, turning the Wifi led blue.

Hope this helps someone :)

Deckard, 2009/12/20 11:39

With Ubuntu Karmic Koala all works perfect with this notebook. Simply install the OS and after first boot all works fine: audio ok, video ok (install proprietary driver as the OS automatically recomand after the first OS-updating via GUI or apt), wifi ok.

No try with Blutooth - sorry I've no blutooth devices. But sincerly, I think you have no problem.

I can say, Ubuntu 9.10 “Karmic Koala” is really an out-of-the-box OS for this notebook.

Laykon, 2009/11/20 04:40

I'm new to linux and i use debian distro after i had problems with OpenSUse11.1..The Ethernet port doesnt seem to work whenever i boot into debian lenny. Anyone got a solution?
I use HP 6735s laptop

Laykon, 2010/01/08 20:41

Since no one offered to profer a solution, i have found the solution to the ethernet problem. Simply install a network manager. or run the following commands as root:

# ifconfig eth0 up
# dhclient eth0 (thats if you are using dhcp)

f43ry, 2009/11/02 14:31

Hi, I've upgraded my ubuntu to 9.10 (Karmic Koala). It perfectly works except mic. I'm a skype user and would like to use it again. Adding “options snd-hda-intel model=laptop” line into /etc/modprobe.d/options doesn't fix. I'm waiting for a solution to this issue.

For the rest I've successfully configured fglrx repo driver for video card and the issue of fans is disappeared.

AJ, 2009/10/25 10:41

im trying to install CentOS on my HP Compaq 6735s but at the beginning of the installation i have a message that there is no hard drive present (and i have a windows vista on it) how could i solve this pls

Pekka Taipale, 2009/09/05 05:52

tom - thanks! I have an HP 6735b (not 6735s) on Ubuntu 9.04 (Jaunty). The distro came with kernel 2.6.28-11 and it had sound after tweaking the “options snd-hda-intel model=laptop” line into /etc/modprobe.d/options. But then it autoupdated into 2.6.28-15 and sound went away.

Adding the lines
alias snd-card-0 snd-hda-intel
alias sound-slot-0 snd-hda-intel
on top of the options line helped! Thanks for pointing out.

Valeriu, 2009/09/23 05:53

I have HP 6735s, Ubuntu 9.04 kernel 2.6.28-15 and for me work perfect with only the line “options snd-hda-intel model=laptop” added at the end of /etc/modprobe.d/alsa-base.conf ;)

P.S. Thanks for this article, it helped me a lot.

susu, 2009/08/31 10:05


I've installed openSuSE 11.1 on my HP6735s. I've compiled the broadcom STA linux driver succesfully, and inserted the module. But iwconfig does not show any wireless interface. And when I rebooted my laptop it hangs on after login on. Then I rebooted, and started in failsafe mode. In the console I give iwconfig command, but it hangs on. (and kill -9 [pid] could not kill this process…)
Anybody has the same problem? Anybody has the same laptop and opensuse 11.1?

Gomer, 2009/08/17 15:49

anyone solved the problem with cooling on athlon ql-60?

zloty, 2009/08/17 19:58

i don't have any problem with cooling, when i play sauerbraten i hear when my cooling increase speed and spin go down when i ending playing.

zloty, 2009/08/17 20:00

i use Ubuntu 9.04 - Jaunty Jackalope with radeon drivers from amd/ati, when i use opensource drivers i get to same too

Gomer, 2009/08/19 06:46

what kernel version you use?

zloty, 2009/08/19 12:16

zloty@zloty-laptop:~$ uname -a
Linux zloty-laptop 2.6.28-15-generic #48-Ubuntu SMP Wed Jul 29 08:54:56 UTC 2009 i686 GNU/Linux

aster, 2010/10/18 13:51

yes, last night : dissamble, remove the poor thermic paste, and replace it. Search on the web 'disassemble 6735s' you'll find how to do it. I win about 28⁰C. Come on at #slackware-fr or /query asteroid for more info.

concerned, 2009/08/06 21:57

I just got this and got everything running kinda-nicely with jaunty. But. The cooling doesn't work. Before this one is fixed I wouldn't recommend this laptop for anybody.

Erik, 2009/06/03 20:02


I'm trying to install OpenSuSE 11.1 on my HP 6735s. The most major components are working now. But I've problems withe the ACPI control of FANs. On rising temperature the ACPI tries to start different fans, but this fans are still off. In the syslog (messages) there're following messages:

… kernel: ACPI: Transitioning device [FAN2] to D0
… kernel: ACPI: Unable to turn cooling device [ffff88006fbf3cf0] 'on'

The newest BIOS is installed now. The same messages are present for other temperatures and other fans.

Is there everyone who has solved the problem ?


W-Den, 2009/06/04 04:42

There is only one fan in the 6735s. The FAN0-FAN3 are states at which speed the fan should be spinning. The fans on my 6735s work just fine though as long as I don't suspend to ram, even though I get an error every time a fan speed is increased.

ACPI: Transitioning device [FAN3] to D0
ACPI: Unable to turn cooling device [f7052d38] 'on

There seems to be some bitchy incompatibility between linux ACPI and the bios. The fans work great on Win2k, XP & Vista, but all distros I've tried so far (Ubuntu, Debian, Arch) suffer from some sort of communication problems.

Damn I wish somebody would fix it properly.

.thomas, 2009/07/13 10:28

the error “ACPI: Unable to turn cooling device [f6c1dd38] 'on'” comes repeatedly to me, and especially when wathing videos the system freezes for a few minutes, then comes back to life again.

having ubuntu 9.04. going to install linux mint now, just to try if it should make any difference.

Patrick Brosnan, 2009/05/22 16:18

am trying to install openSUSE 11.1 (64bit) onto HP 6735s and it is failing at the stage of installing packages with the message 'Removal of package dejavu failed.'. I do not know what could be the cause as I have run this now setting Linux to install with two partitions / of 20GB ext3 and /home of 280GB and all of the disk initialisation seems to work. I am afraid it may be the dvd I have set-up or the fact that the 64bit O/S does not like the AMD processors. Does anyone have any experience of installing SUSE 11 onto this machine?

Thanks for your time.

crimson, 2009/05/06 19:58

Hello, everyone!
In hp6735s, I have trouble with sound in xubuntu 9.04. First there was no sound, so I added “options snd-hda-intel model=hp” in /etc/modprobe.d/alsa-base.conf and activated the sound mixer in Services. It worked except: every time I start the laptop the Master and PCM are mute, so I have to enable them every time.

Have you got any suggestions?

Stefano, 2009/04/11 14:09

After following everyone's advice I had only one problem left with this laptop under ubuntu 8.10: the microphone didn't work. Well, I worked… sometimes. When it didn't, I could hear my voice in the speakers just fine, but nothing was recorded by any app (eg: Skype). It was driving me crazy. At first I thought it was a pulseaudio problem, but it wasn't. The maddening thing was that SOMETIMES the mic worked and SOMETIMES it didn't, so I was never sure if it started working thanks to something I did or not. Either way, if I raised the appropriate sliders in alsamixer, I could hear my voice played back from my speakers loud and clear, even if in pulseaudio devicechooser “volume meter recording” didn't show anything while I was speaking.
My solution: alsa force-reload when loading X.
I did “sudo visudo” and added this line at the bottom:

%audio ALL=NOPASSWD: /sbin/alsa

after this, I added a file named “69alsareload” in /etc/X11/Xsession.d:

sudo vi /etc/X11/Xsession.d/69alsareload

and I put this only line (very crude, I know):

if groups |grep ” audio ” >/dev/null; then sudo /sbin/alsa force-reload ; fi

I named the file “69” so it gets executed before the pulseaudio daemon starts (70pulseaudio)
… that's it! Now my mic always works.
In skype I've put “pulseaudio” for everything in Audio Device, just the way it should be.

Stefano, 2009/04/11 15:08

Obviously, all this works if your user belongs to the “audio” group. You can substitute “audio” with “admin” or any other group you find appropriate.

Ammar, 2009/04/23 18:52

Hi All,

Just finished my new Ubuntu 9.04 installation

All fn keys work out of the box

The Audio speakers I did same thing as before

sudo gedit /etc/modprobe.d/alsa-base

add at the end of the file:

options snd-hda-intel model=laptop


The Mic

Volume Control –> From drop down choose (HDA ATI SB) then Preferences –> Internal Mic

All done.

marko, 2009/04/27 20:10

hello to everyone,
I've bought some days ago a 6735s and trying to run Ubuntu 9.04.
I'm a new linux user and can't configure the mic to use skype;
can someone help me? I'm becoming crazy! Looking on the comments of a lot of persons but without results!
thanks to anyone who will help me!

kassel, 2009/04/06 22:52

Anyway, i couldn't find 6730 under 10freedesktop/30-keymap-hp.fdi, sound works but with noise, and hybernate didn't work , for all thanks if can someone put me a solution thanks.

ferdi, 2009/03/22 14:55

read this to fix the fn keys for brightness

Jason McGuiness, 2009/02/23 11:55

I bought one of these, and using Gentoo linux, found that previously the fglrx drivers worked fine, but after a while stopped working, causing the screen to lock up when starting gdm. I'm using kernel v2.6.28-r3. From what I recall from dmesg, it looks like there's a bug in the kernel or the fglrx module that causes it to crash. Using the XOrg radeon driver works, but I don't have brightness control. And with fglrx although the brightness worked, with both drivers there is no control of the backlight, i.e. “radeontool” doesn't seem to do anything.

Note that using the standard sysvinit means that the wireless (using the “wl” Broadcom proprietary module, note that b43 and bcm43xx don't work up to kernel v2.6.28-r3) doesn't correctly start up “net.eth1” and the dependencies. For Gentoo, upgrade to the openrc stuff, and it works correctly.

Note also that linux-uvc with newer doesn't compile due to an API change in a kernel-supplied header-file. When it used to compile, with kernel v2.6.24, the webcam worked well.

Jason McGuiness, 2009/02/23 12:01

I meant to say about linux-uvc: with newer … kernels, e.g. >=2.6.28-r1.

The modem is apparently supported using the hsfmodem (again Gentoo package, but similar elsewhere).

When I was using fglrx, I also found that playback of DVDs was problematic - the video overlay was offset in mplayer or the interlacing was incorrect in gxine.

Jason McGuiness, 2009/02/23 12:16

I've tried ati-drivers v8.573-r1, v8.573 and 8.471.3 with kernel >=v2.6.28-r1, and they crash when attempting to start gdm, despite the messages in dmesg indicating that the fglrx module loads correctly into the kernel.

Jason McGuiness, 2009/04/03 15:35

X is still broken. It boots and loads Gnome with Ubuntu, so there isn't a hardware problem, it's a software issue, but no idea what.

Jason McGuiness, 2009/02/23 12:09

Oh - and although the Dallas 1-wire device is supported, I haven;t yet found out what is on that network, and how to display any data.

And the “3d DriveGuard” is apparently (“” & “;a=commit;h=455fbdd376c3ed3a5be8c039348896fdd87e9930”) supported with the /drivers/hwmon/lis3lv02d module, and the HDD led can be used to indicate shock-protection activity. But I've not tried this yet.

Jason McGuiness, 2009/02/23 12:12

BTW: I didn't need to patch the Broadcom wl drivers, with the openrc & a suitable configuration in wpa_supplicant.conf, I got it to connect reliably using WPA2-PSK (and/or WPA-PSK) with CCMP+TKIP.

alius miles, 2009/02/03 09:03

I've get one with ATI chipset and Radeon HD 3200 videocard. That brings me some additional work with video settings. Now I find next solution:

install proprietary fglrx driver:

sudo apt-get install xserver-xorg-video-radeonhd xorg-driver-fglrx linux-restricted-modules
sudo aticonfig –initial -f

after that I have all compiz effects, but get flickering when playing video files. I've find, that this driver could normally do only one type of effects - 2D or 3D.
But there is one tweak - with VLC, choose X11 video output and enable Alternate fullscreen method in it's settings - you will get compiz effects with appropriative playing video.

What about powersaving -you could disable such thing as bluetooth and Extended Cards in bios. I have about 2.5 hours without bluetooth and with powersaving processor mode.

Brightness easily changes with gnome-panel applet.

Ubuntu 8.10
Kernel 2.6.27-11 generic
Gnome 2.24.1

Ammar, 2009/04/07 09:32

Hi All,

To make audio working

Headphone: works out of the box


sudo gedit /etc/modprobe.d/alsa-base

add at the end of the file:

options snd-hda-intel model=laptop



Go to audio —> Volume controln —> Select “HDA ATI SB (Alsa mixer)”

Preferences –> add “Doc Mic” & “Doc Mic Boost”

You are done

Brightness buttons:

sudo gedit /usr/share/hotkey-setup/

Add the two following line :

setkeycodes e012 $KEY_BRIGHTNESSDOWN #Brightness down
setkeycodes e017 $KEY_BRIGHTNESSUP #Brightness up
setkeycodes e06e $KEY_VIDEOOUT #Video out

Long live Linux/Ubuntu 8.10 ;) looking forward to 9.04

Stefan, 2009/01/25 11:12

Did you manage to get mic working?
Its the only thing that I couldnt get to work.

Martin, 2009/01/28 19:24

Sound works fine on AMSN - couldn't get “Sound Recorder” to work, it just kept crashing! In Volume Properties, select “Internal Mic” not “Microphone”.

Martin, 2009/01/23 17:14

Everything seems to be working fine under Ubuntu 8.10; had to add the speaker tweak below. Has anyone worked out how to disable Bluetooth without disabling wi-fi internet? This would be handy to extend the battery life.

azad, 2009/01/04 09:50

please send me the graphic driver of the hp 6735s.

mihaly, 2009/01/03 20:37

Hi its work good with (k)ubuntu 8.10 last update and its really good machine with linux not like (……)Ms.Vistaaaa only the bluetooth not work for the moment

Bern, 2008/12/20 15:11

Just installed Ubuntu 8.10 i386 on a brand new 6735s, UK model. I did an “apt-get update” and “apt-get dist-upgrade” and had to approve two non-free drivers (wireless and video).

* Wireless was detected and worked out of the box

* Video was detected and worked out of the box

* Sound needed the tweak in /etc/modprobe.d/options

* Bluetooth says it's working but I've not tested it.

* Most of the fn keys work, except brightness

* Suspend and resume works but sound doesn't always come back on (need to test more)

* Hibernate and wake works and sound does come back on

More than happy with it.

Lari Temmes, 2009/01/16 19:59

If bluetooth is missing after suspend to RAM, try :

hciconfig hci0 reset

and it should work again.

Lari Temmes, 2008/12/11 22:26

With latest kernel (currently 2.6.28-rc7) suspending to RAM works. I compiled kernel using config file from Ubuntu 2.6.27-7 kernel.

While compiling, i noticed Broadcom drivers needed a patch to work with 2.6.28. With new kernel and fglrx installed. Almost everything now works, i'm still missing bluetooth after resume.

Larppa, 2008/12/10 15:16

Almost forgot.. I needed to do those two modifications mentioned here :

- Add following line to /etc/modprobe.d/options
options snd-hda-intel model=laptop enable=1 index=0

- Edit /usr/share/hal/fdi/information/10freedesktop/30-keymap-hp.fdi
Just replace 6730s with 6735s

Larppa, 2008/12/10 15:13

I have Sempron SI-40 version of this laptop.

With Ubuntu 8.10 kernel (2.6.27-7) all but suspending to RAM works great.

I tried different settings and some ACPI tweaking but it didn't work out. It suspends just fine, but doesn't resume from it at all (get's stuck after trying to wake up, no disk or screen activity before that).

Suspending to disk works pretty well, only randomly killing bluetooth :)

zloty, 2008/12/02 18:04

i buy HP6735s a two weeks ago
suspend and hibernate work correctly ?!
some FN key cobinations work ok - mute, volume up & down, www, help,numlk, numeric keys - volume showing candy looking control window :) in compiz

brigtness - hmmm… i can set it with brigtness applet from gnome-power-manager - works fine, but not with FN key. When i unplug AC cable screen go to be dark and when i plug then go brigh. A couple of setings i find in gnome-power-manager.

Debian testing/unstable/experimental mix
2.6.26-1-686 #1 SMP Sat Nov 8 19:00:26 UTC 2008 i686 GNU/Linux
hal 0.5.11
hal-info 2008-10-22
gnome-power-manager 2.22.1
acpid 1.0.8

Stefan, 2008/11/29 14:14


for speakers to come to life do this adding:

options snd-hda-intel model=laptop enable=1 index=0

to the file


tom, 2008/12/01 13:27

in my distro (slackware) with default kernel ( speakers worked without any changes, after kernel upgrade to i had to add to /etc/modprobe.d/sound file following lines:
alias snd-card-0 snd-hda-intel
alias sound-slot-0 snd-hda-intel
options snd-hda-intel model=laptop

Stefan, 2008/11/29 11:15

Good choise

You just need to spend some careful time with this laptop, untill you get everything to work.
Only thing I couldn't figure out was fn key, but I dont care much about it.
In case of wireless card, try pressing WiFi button before ubuntu boots. Acctualy I got it to work after leaving it ON in XP,and then I started Ubutnu. It works fine.

Hope to have more comments and tests on this laptop! Cheers!

tom, 2008/10/26 05:13


i forgot to mention that webcam works with linux-uvc driver despite there is no official support for this model :) (well at least after installing that drivers i was able to use webcam in skype)

galanom, 2008/12/15 09:44

Hi! Did anyone managed to get microphone working?

ps: there is no 6730s entry in 30-keymap-hp.fdi with hal-info 20080508

tom, 2008/10/26 05:08

far to be perfect :(

fn+brightness buttons can be activated in /usr/share/hal/fdi/information/10freedesktop/30-keymap-hp.fdi - just replace 6730s with 6735s - frankly then “xev” sees buttons but you still cant change brightness - anyway after that change xev outputs keycodes for this two buttons: 101 and 212
it probably doesnt work well because i use fglrx driver for graphic card (only with this one i can have some cool effects in kde4 ;) ) and with this driver acpi brightness settings nor xbacklight command doesnt work.
im am able to change brightness by hand typing dbus-send –system –print-reply –dest=org.freedesktop.Hal \
/org/freedesktop/Hal/devices/computer_backlight org.freedesktop.Hal.Device.LaptopPanel.SetBrightness int32:{some value between 0 and 100 here} but it works somehow chaotic ;)
without fglrx i was able to setup key shortcuts (but not with fn button) in kde settings to change brightness but it was limited only to two values - as far as i remember it was 100 and ~30

and wifi card works super with broadcom drivers for linux (that one from theirs website and not from kernel)

tested under slackware-current

LUKE, 2008/10/03 01:43

Laptop compatability issues

I just wiped the factory XP install off of the hard drive and replaced it with Ubuntu (hardy) with moderate success. It works fine except the wireless card is not recognized at all, the ATI graphics card needs a proprietary driver and the keyboard buttons to dim or brighten the screen don't work. I'll check back once I have figured out these problems.

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hp-compaq_6735s.txt · Last modified: 2012/06/09 07:49 by billg
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