Zitat von Tom Bell <cbell44@cfl.rr.com>:


dael@dael.de wrote:

Hello

I want to install kubuntu on my media pc and tried the recent live cd.
The Desktop started properly but the screen configuration seems to be
wrong. Display is a TV with resolution 1360*768 60Hz via HDMI, kubuntu
sets the right resolution the refresh rate is 59.8Hz, maybe this is
also right?!

The problem is that the Desktop seems to be on the wrong position on
the screen, the right quarter of the screen is black and on the left
side the desktop is cropped.

Any Ideas? If possible I want to fix this with the live CD before
installiung on hard disk.

Thanks
Daniel





Did you try any other settings to see what happens?
What is your display card?
lshw |grep -nA 11 display
Do the above command at a commandline and include
the results in your reply.
Also,
uname -a



Linux ubuntu 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:04:26 UTC
2009 i686 GNU/Linux


I attached the output of lshw.

Well, maybe cropped is the wrong word. I realised that I can move the
mouse out of the right side of the screen, maximised programs are also
larger than the desktop I can see. It seeme that the desktop has
correct size but needs to be moved to the left ?!

Again, the resolution kubuntu has chosen is the one I need for my TV.

Regards
Daniel
I attached

ubuntu@ubuntu:~$ lshw |grep -nA 11 display
WARNING: you should run this program as super-user.
44: *-display:0
45- description: VGA compatible controller
46- product: 4 Series Chipset Integrated Graphics Controller
47- vendor: Intel Corporation
48- physical id: 2
49- bus info: pci@0000:00:02.0
50- version: 03
51- width: 64 bits
52- clock: 33MHz
53- capabilities: bus_master cap_list rom
54- configuration: driver=i915 latency=0
55- resources: irq:28 memory:fd400000-fd7fffff memory:d0000000-dfffffff(prefetchable) ioport:ff00(size=8)
56: *-display:1 UNCLAIMED
57- description: Display controller
58- product: 4 Series Chipset Integrated Graphics Controller
59- vendor: Intel Corporation
60- physical id: 2.1
61- bus info: pci@0000:00:02.1
62- version: 03
63- width: 64 bits
64- clock: 33MHz
65- capabilities: cap_list
66- configuration: latency=0
67- resources: memory:fdd00000-fddfffff --
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On Sunday 07 Feb 2010 21:35:24 dael@dael.de wrote:
>
> Zitat von Mark Greenwood <fatgerman@ntlworld.com>:
>
> > On Sunday 07 Feb 2010 19:58:07 dael@dael.de wrote:
> >>
> >> Hello
> >>
> >> I want to install kubuntu on my media pc and tried the recent live cd.
> >> The Desktop started properly but the screen configuration seems to be
> >> wrong. Display is a TV with resolution 1360*768 60Hz via HDMI, kubuntu
> >> sets the right resolution the refresh rate is 59.8Hz, maybe this is
> >> also right?!
> >>
> >> The problem is that the Desktop seems to be on the wrong position on
> >> the screen, the right quarter of the screen is black and on the left
> >> side the desktop is cropped.
> >>
> >> Any Ideas? If possible I want to fix this with the live CD before
> >> installiung on hard disk.
> >>
> >> Thanks
> >> Daniel
> >>
> > What make of graphics card do you have?
> >
> > Mark
>
> I have a Intel G45 Express chipset for graphics.
>
>
>
>
I have also seen this behaviour with a TV and an intel graphics card. The problem is that most TVs don't return a proper response to the window manager's resolution queries and it has to make a best guess. There seem to be some bugs with Intel drivers at the moment. I know one way to fix it, but it requires a full installation to the hard disc. It would also help if you could give us the output from the command lspci

Mark

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Zitat von Mark Greenwood <fatgerman@ntlworld.com>:


On Sunday 07 Feb 2010 21:35:24 dael@dael.de wrote:


Zitat von Mark Greenwood <fatgerman@ntlworld.com>:

> On Sunday 07 Feb 2010 19:58:07 dael@dael.de wrote:
>>
>> Hello
>>
>> I want to install kubuntu on my media pc and tried the recent live cd.
>> The Desktop started properly but the screen configuration seems to be
>> wrong. Display is a TV with resolution 1360*768 60Hz via HDMI, kubuntu
>> sets the right resolution the refresh rate is 59.8Hz, maybe this is
>> also right?!
>>
>> The problem is that the Desktop seems to be on the wrong position on
>> the screen, the right quarter of the screen is black and on the left
>> side the desktop is cropped.
>>
>> Any Ideas? If possible I want to fix this with the live CD before
>> installiung on hard disk.
>>
>> Thanks
>> Daniel
>>
> What make of graphics card do you have?
>
> Mark

I have a Intel G45 Express chipset for graphics.




I have also seen this behaviour with a TV and an intel graphics
card. The problem is that most TVs don't return a proper response to
the window manager's resolution queries and it has to make a best
guess. There seem to be some bugs with Intel drivers at the moment.
I know one way to fix it, but it requires a full installation to the
hard disc. It would also help if you could give us the output from
the command lspci


Well, I want to give a full installation a try if there is a solution.
lscpi output is attached.


Regards
Daniel

ubuntu@ubuntu:~$ lspci
00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03)
00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #4
00:1a.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #5
00:1a.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #6
00:1a.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #2
00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD Audio Controller
00:1c.0 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 1
00:1c.1 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 2
00:1c.2 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 3
00:1d.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #1
00:1d.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #2
00:1d.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #3
00:1d.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #1
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 90)
00:1f.0 ISA bridge: Intel Corporation 82801JIB (ICH10) LPC Interface Controller
00:1f.2 IDE interface: Intel Corporation 82801JI (ICH10 Family) 4 port SATA IDE Controller
00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller
00:1f.5 IDE interface: Intel Corporation 82801JI (ICH10 Family) 2 port SATA IDE Controller
01:00.0 IDE interface: JMicron Technology Corp. JMB368 IDE controller
02:00.0 FireWire (IEEE 1394): JMicron Technology Corp. IEEE 1394 Host Controller
03:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8056 PCI-E Gigabit Ethernet Controller (rev 12)









ubuntu@ubuntu:~$ lspci -vk
00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03)
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, fast devsel, latency 0
Capabilities: <access denied>
Kernel driver in use: agpgart-intel
Kernel modules: intel-agp

00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, fast devsel, latency 0, IRQ 28
Memory at fd400000 (64-bit, non-prefetchable) [size=4M]
Memory at d0000000 (64-bit, prefetchable) [size=256M]
I/O ports at ff00 [size=8]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915

00:02.1 Display controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: fast devsel
Memory at fdd00000 (64-bit, non-prefetchable) [disabled] [size=1M]
Capabilities: <access denied>

00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #4
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, medium devsel, latency 0, IRQ 16
I/O ports at fe00 [size=32]
Capabilities: <access denied>
Kernel driver in use: uhci_hcd

00:1a.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #5
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, medium devsel, latency 0, IRQ 21
I/O ports at fd00 [size=32]
Capabilities: <access denied>
Kernel driver in use: uhci_hcd

00:1a.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #6
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, medium devsel, latency 0, IRQ 19
I/O ports at fc00 [size=32]
Capabilities: <access denied>
Kernel driver in use: uhci_hcd

00:1a.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #2 (prog-if 20)
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, medium devsel, latency 0, IRQ 18
Memory at fdfff000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ehci_hcd

00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD Audio Controller
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, fast devsel, latency 0, IRQ 22
Memory at fdff8000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel

00:1c.0 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 1
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: fdc00000-fdcfffff
Prefetchable memory behind bridge: 000000007c000000-000000007c0fffff
Capabilities: <access denied>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp

00:1c.1 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 2
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
Memory behind bridge: fdb00000-fdbfffff
Capabilities: <access denied>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp

00:1c.2 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 3
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 0000c000-0000cfff
Memory behind bridge: fde00000-fdefffff
Prefetchable memory behind bridge: 000000007c100000-000000007c1fffff
Capabilities: <access denied>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp

00:1d.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #1
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, medium devsel, latency 0, IRQ 23
I/O ports at fb00 [size=32]
Capabilities: <access denied>
Kernel driver in use: uhci_hcd

00:1d.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #2
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, medium devsel, latency 0, IRQ 19
I/O ports at fa00 [size=32]
Capabilities: <access denied>
Kernel driver in use: uhci_hcd

00:1d.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #3
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, medium devsel, latency 0, IRQ 18
I/O ports at f900 [size=32]
Capabilities: <access denied>
Kernel driver in use: uhci_hcd

00:1d.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #1 (prog-if 20)
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, medium devsel, latency 0, IRQ 23
Memory at fdffe000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ehci_hcd

00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 90) (prog-if 01)
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=04, subordinate=04, sec-latency=32
Capabilities: <access denied>

00:1f.0 ISA bridge: Intel Corporation 82801JIB (ICH10) LPC Interface Controller
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, medium devsel, latency 0
Capabilities: <access denied>
Kernel modules: iTCO_wdt

00:1f.2 IDE interface: Intel Corporation 82801JI (ICH10 Family) 4 port SATA IDE Controller (prog-if 8f [Master SecP SecO PriP PriO])
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 19
I/O ports at f800 [size=8]
I/O ports at f700 [size=4]
I/O ports at f600 [size=8]
I/O ports at f500 [size=4]
I/O ports at f400 [size=16]
I/O ports at f300 [size=16]
Capabilities: <access denied>
Kernel driver in use: ata_piix

00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: medium devsel, IRQ 11
Memory at fdffd000 (64-bit, non-prefetchable) [size=256]
I/O ports at 0500 [size=32]
Kernel modules: i2c-i801

00:1f.5 IDE interface: Intel Corporation 82801JI (ICH10 Family) 2 port SATA IDE Controller (prog-if 85 [Master SecO PriO])
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 19
I/O ports at f100 [size=8]
I/O ports at f000 [size=4]
I/O ports at ef00 [size=8]
I/O ports at ee00 [size=4]
I/O ports at ed00 [size=16]
I/O ports at ec00 [size=16]
Capabilities: <access denied>
Kernel driver in use: ata_piix

01:00.0 IDE interface: JMicron Technology Corp. JMB368 IDE controller (prog-if 85 [Master SecO PriO])
Subsystem: JMicron Technology Corp. JMB368 IDE controller
Flags: bus master, fast devsel, latency 0, IRQ 16
I/O ports at df00 [size=8]
I/O ports at de00 [size=4]
I/O ports at dd00 [size=8]
I/O ports at dc00 [size=4]
I/O ports at db00 [size=16]
[virtual] Expansion ROM at 7c000000 [disabled] [size=64K]
Capabilities: <access denied>
Kernel driver in use: pata_jmicron

02:00.0 FireWire (IEEE 1394): JMicron Technology Corp. IEEE 1394 Host Controller (prog-if 10)
Subsystem: Device 3141:1297
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at fdbff000 (32-bit, non-prefetchable) [size=2K]
Memory at fdbfe000 (32-bit, non-prefetchable) [size=128]
Memory at fdbfd000 (32-bit, non-prefetchable) [size=128]
Memory at fdbfc000 (32-bit, non-prefetchable) [size=128]
Capabilities: <access denied>
Kernel driver in use: ohci1394
Kernel modules: firewire-ohci, ohci1394

03:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8056 PCI-E Gigabit Ethernet Controller (rev 12)
Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device 3141
Flags: bus master, fast devsel, latency 0, IRQ 27
Memory at fdefc000 (64-bit, non-prefetchable) [size=16K]
I/O ports at ce00 [size=256]
[virtual] Expansion ROM at 7c100000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: sky2
Kernel modules: sky2 --
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On Tuesday 09 Feb 2010 09:34:17 dael@dael.de wrote:
>
> Zitat von Mark Greenwood <fatgerman@ntlworld.com>:
>
> > On Sunday 07 Feb 2010 21:35:24 dael@dael.de wrote:
> >>
> >> Zitat von Mark Greenwood <fatgerman@ntlworld.com>:
> >>
> >> > On Sunday 07 Feb 2010 19:58:07 dael@dael.de wrote:
> >> >>
> >> >> Hello
> >> >>
> >> >> I want to install kubuntu on my media pc and tried the recent live cd.
> >> >> The Desktop started properly but the screen configuration seems to be
> >> >> wrong. Display is a TV with resolution 1360*768 60Hz via HDMI, kubuntu
> >> >> sets the right resolution the refresh rate is 59.8Hz, maybe this is
> >> >> also right?!
> >> >>
> >> >> The problem is that the Desktop seems to be on the wrong position on
> >> >> the screen, the right quarter of the screen is black and on the left
> >> >> side the desktop is cropped.
> >> >>
> >> >> Any Ideas? If possible I want to fix this with the live CD before
> >> >> installiung on hard disk.
> >> >>
> >> >> Thanks
> >> >> Daniel
> >> >>
> >> > What make of graphics card do you have?
> >> >
> >> > Mark
> >>
> >> I have a Intel G45 Express chipset for graphics.
> >>
> >>
> >>
> >>
> > I have also seen this behaviour with a TV and an intel graphics
> > card. The problem is that most TVs don't return a proper response to
> > the window manager's resolution queries and it has to make a best
> > guess. There seem to be some bugs with Intel drivers at the moment.
> > I know one way to fix it, but it requires a full installation to the
> > hard disc. It would also help if you could give us the output from
> > the command lspci
>
> Well, I want to give a full installation a try if there is a solution.
> lscpi output is attached.
>
> Regards
> Daniel
>

OK, well here we go.

The following is not guaranteed to work but it has worked on the two installations I have tried it on. It requires Linux to be installed to your hard disc.

Note 1 : The following xorg.conf file was generated primarily from an install of Mandriva 2010.0, which seems to do a much better job of configuring this stuff than Ubuntu does. However even that didn't work perfectly until I did the steps involving gtf.

Note 2 : The option 'PreferredMode' in the file below is recorded as 'not used' in the Xorg log. However, for me, it didn't work without it. Your mileage may vary.

The file below is an example xorg.conf file - it needs to be edited and then copied to /etc/X11/xorg.conf.

You will need to know the allowed horizontal sync and vertical refresh rates for your monitor or TV. These go as the parameters 'HorizSync' and 'VertRefresh' as described in the file. These are the crucial values to make this work. They may or may not be specified in the gazillion pages of manual for your TV that your probably threw away when you bought it. I know I did. If you cannot find these values out you have 3 possible courses of action:
1) Guess - the values below might even work.
2) Install Mandriva 2010.0. This will give you an xorg.conf file that might even work. That's where mine came from.
3) Kick the PC and go have a beer instead.

Once you have those you need to generate a ModeLine using the 'gtf' program.
In a terminal, type

gtf 1360 768 60

(The parameters are : Horizontal resolution, vertical resolution, refresh rate)
60Hz refresh should work with any TV. If you're in Europe and plan on using this as a media centre PC, 50Hz is a better choice as it is exactly twice the PAL refresh rate. 100Hz is even better. However many modern TVs won't do a 50Hz or 100Hz refresh and a lot of intel graphics cards won't do 100Hz at this (or indeed any) resolution. Mine doesn't Try 60 first. If it works, then get adventurous.

gtf will output a 'ModeLine'. You should paste this into the file where indicated, replacing mine.

Reboot and see what happens. If it doesn't work, check the settings under KDE before you go to option (3).

If you reboot and get a black screen you'll have to switch to another terminal (Ctrl-Alt-F4), log in, delete or rename xorg.conf, and reboot again. If this happens you probably have your Sync or Refresh values wrong.

Good luck....

Mark

# xorg.conf for misbehaving intel drivers with 1360x768 TVs and any flavour of *buntu Karmic
# Thanks to Mandriva 2010.0 for supplying most of this information

Section "ServerFlags"
Option "DontZap" "False" # disable <Ctrl><Alt><BS> (server abort)
AllowMouseOpenFail # allows the server to start up even if the mouse does not work
EndSection

Section "Module"
Load "dbe" # Double-Buffering Extension
Load "v4l" # Video for Linux
Load "extmod"
Load "glx" # 3D layer
Load "dri" # direct rendering
EndSection

Section "Monitor"
Identifier "monitor1"
VendorName "Generic"
ModelName "Flat Panel 1360x768"
# Get the following two lines of values from your TV datasheet or by guesswork
HorizSync 31.5-67.0
VertRefresh 56.0-65.0
Option "PreferredMode" "1360x768"

# Replace this with your modeline generated by gtf
Modeline "1360x768_60.00" 84.72 1360 1424 1568 1776 768 769 772 795 -HSync +Vsync

EndSection

Section "Device"
Identifier "device1"
VendorName "Intel Corporation"
BoardName "Intel 810 and later"
# Use your driver here, probably 'intel'
Driver "intel"
Option "DPMS"
EndSection

Section "Screen"
Identifier "screen1"
Device "device1"
Monitor "monitor1"
DefaultColorDepth 24

Subsection "Display"
Depth 8
Modes "1360x768"
EndSubsection

Subsection "Display"
Depth 15
Modes "1360x768"
EndSubsection

Subsection "Display"
Depth 16
Modes "1360x768"
EndSubsection

Subsection "Display"
Depth 24
Modes "1360x768"
EndSubsection
EndSection

Section "ServerLayout"
Identifier "layout1"
Screen "screen1"
EndSection

# End xorg.conf








>

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Zitat von Mark Greenwood <fatgerman@ntlworld.com>:
>
> OK, well here we go.
>
> The following is not guaranteed to work but it has worked on the two
> installations I have tried it on. It requires Linux to be installed
> to your hard disc.
>
> Note 1 : The following xorg.conf file was generated primarily from
> an install of Mandriva 2010.0, which seems to do a much better job
> of configuring this stuff than Ubuntu does. However even that didn't
> work perfectly until I did the steps involving gtf.
>
> Note 2 : The option 'PreferredMode' in the file below is recorded as
> 'not used' in the Xorg log. However, for me, it didn't work without
> it. Your mileage may vary.
>
> The file below is an example xorg.conf file - it needs to be edited
> and then copied to /etc/X11/xorg.conf.
>
> You will need to know the allowed horizontal sync and vertical
> refresh rates for your monitor or TV. These go as the parameters
> 'HorizSync' and 'VertRefresh' as described in the file. These are
> the crucial values to make this work. They may or may not be
> specified in the gazillion pages of manual for your TV that your
> probably threw away when you bought it. I know I did. If you cannot
> find these values out you have 3 possible courses of action:
> 1) Guess - the values below might even work.
> 2) Install Mandriva 2010.0. This will give you an xorg.conf file
> that might even work. That's where mine came from.
> 3) Kick the PC and go have a beer instead.
>
> Once you have those you need to generate a ModeLine using the 'gtf' program.
> In a terminal, type
>
> gtf 1360 768 60
>
> (The parameters are : Horizontal resolution, vertical resolution,
> refresh rate)
> 60Hz refresh should work with any TV. If you're in Europe and plan
> on using this as a media centre PC, 50Hz is a better choice as it is
> exactly twice the PAL refresh rate. 100Hz is even better. However
> many modern TVs won't do a 50Hz or 100Hz refresh and a lot of intel
> graphics cards won't do 100Hz at this (or indeed any) resolution.
> Mine doesn't Try 60 first. If it works, then get adventurous.
>
> gtf will output a 'ModeLine'. You should paste this into the file
> where indicated, replacing mine.
>
> Reboot and see what happens. If it doesn't work, check the settings
> under KDE before you go to option (3).
>
> If you reboot and get a black screen you'll have to switch to
> another terminal (Ctrl-Alt-F4), log in, delete or rename xorg.conf,
> and reboot again. If this happens you probably have your Sync or
> Refresh values wrong.
>
> Good luck....
>
> Mark


I tried the mandriva live cd, the result is even worse than with
kubuntu. Only a small square on the screen is displayed.
However, thanks for your explanations. At the moment I will wait for
more stable intel drivers. I saved your mail and hopefully it will
solve my problems later

Daniel



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On Wednesday 10 Feb 2010 10:04:41 dael@dael.de wrote:
>
> Zitat von Mark Greenwood <fatgerman@ntlworld.com>:
> >
> > OK, well here we go.
> >
> > The following is not guaranteed to work but it has worked on the two
> > installations I have tried it on. It requires Linux to be installed
> > to your hard disc.
> >
> > Note 1 : The following xorg.conf file was generated primarily from
> > an install of Mandriva 2010.0, which seems to do a much better job
> > of configuring this stuff than Ubuntu does. However even that didn't
> > work perfectly until I did the steps involving gtf.
> >
> > Note 2 : The option 'PreferredMode' in the file below is recorded as
> > 'not used' in the Xorg log. However, for me, it didn't work without
> > it. Your mileage may vary.
> >
> > The file below is an example xorg.conf file - it needs to be edited
> > and then copied to /etc/X11/xorg.conf.
> >
> > You will need to know the allowed horizontal sync and vertical
> > refresh rates for your monitor or TV. These go as the parameters
> > 'HorizSync' and 'VertRefresh' as described in the file. These are
> > the crucial values to make this work. They may or may not be
> > specified in the gazillion pages of manual for your TV that your
> > probably threw away when you bought it. I know I did. If you cannot
> > find these values out you have 3 possible courses of action:
> > 1) Guess - the values below might even work.
> > 2) Install Mandriva 2010.0. This will give you an xorg.conf file
> > that might even work. That's where mine came from.
> > 3) Kick the PC and go have a beer instead.
> >
> > Once you have those you need to generate a ModeLine using the 'gtf' program.
> > In a terminal, type
> >
> > gtf 1360 768 60
> >
> > (The parameters are : Horizontal resolution, vertical resolution,
> > refresh rate)
> > 60Hz refresh should work with any TV. If you're in Europe and plan
> > on using this as a media centre PC, 50Hz is a better choice as it is
> > exactly twice the PAL refresh rate. 100Hz is even better. However
> > many modern TVs won't do a 50Hz or 100Hz refresh and a lot of intel
> > graphics cards won't do 100Hz at this (or indeed any) resolution.
> > Mine doesn't Try 60 first. If it works, then get adventurous.
> >
> > gtf will output a 'ModeLine'. You should paste this into the file
> > where indicated, replacing mine.
> >
> > Reboot and see what happens. If it doesn't work, check the settings
> > under KDE before you go to option (3).
> >
> > If you reboot and get a black screen you'll have to switch to
> > another terminal (Ctrl-Alt-F4), log in, delete or rename xorg.conf,
> > and reboot again. If this happens you probably have your Sync or
> > Refresh values wrong.
> >
> > Good luck....
> >
> > Mark
>
>
> I tried the mandriva live cd, the result is even worse than with
> kubuntu. Only a small square on the screen is displayed.
> However, thanks for your explanations. At the moment I will wait for
> more stable intel drivers. I saved your mail and hopefully it will
> solve my problems later

Haha, thats, similar to what happened with me and Mandriva 2010 - it chose a completely inappropriate resolution (1360x765 (!) ). However the point is that is gave me the correct values to use for HorizSync and VertRefresh. I was then able to use those values, along with the ModeLine generated by gtf from an Ubunutu install, to get a fully working display. However it is a lot of trouble to go to. I don't think you will get the values from Mandriva without doing a full install of that.

Mark

>
> Daniel
>
>
>
>

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