Screen resolution

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to try to get your video working go to System → Administration → Software Sources click on the Updates tab, then check the box for Unsupported updates (intrepid-backports). after you've enabled the backports update your ubuntu software:

Open a Terminal from the menu Applications → Accessories → Terminal and type

sudo apt-get update
sudo apt-get upgrade

you may need to reboot. after that go to System->Administration->Hardware Drivers and enable any restricted drivers you have available.

if that doesnt work give us the output of the terminal command:

lshw -C display

The system first needs to know what type of display hardware you have before it can offer screen resolutions other than VGA default, i.e., 640x480 pixels. Many older VGA adapters and screens are supported by drivers already supplied with Ubuntu. Ubuntu can usually figure out the VGA adapter information on its own during installation, unless you've installed a third-party video card that's just recently appeared on the market. You may need to tell Ubuntu the make and model of display that you have by selecting from a list. Do this by going to System->Administration->Screens and Graphics. Chances are that it currently shows "Generic" as the manufacturer and either "LCD Panel 640x480" or "Monitor 640x480" as the model. If you can't find your monitor make and model here, this is where you can import its data from an .inf driver file, just as in Microsoft Windows, if available from the monitor vendor. If you can't supply either a specific make/model or .inf file, you may be able to achieve partial functionality by selecting a monitor from the list that closely matches the known capabilities of your monitor.

ATTENTION....PROBLEM NOT SOLVED...

Here goes for the output as there are no drivers showing under ''Hardware drivers''..
~$ lshw -C display
WARNING: you should run this program as super-user.
  *-display UNCLAIMED
       description: VGA compatible controller
       product: 82865G Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 02
       width: 32 bits
       clock: 33MHz
       capabilities: cap_list
       configuration: latency=0

Following Andrew P. answer , I found the following info on the Installation CD for MOnitor, which is not working under UBUNTU... Would someone be kind enough to tell how I can proceed from this point on...
In the file..
/media/cdrom0/Driver/SM701N.inf

==================================================

; SM701N.inf 01/03/2006 ver. 2.0HC

;

; Copyright 2005 Samsung Electronics Corporation

;

; This is a Setup information file for Samsung Monitor.

;==================================================

[Version]

signature="$CHICAGO$"

Class=Monitor

ClassGuid={4D36E96E-E325-11CE-BFC1-08002BE10318}

Provider=%Samsung%

CatalogFile=SM701N.cat

DriverVer=01/03/2006,2.0

;--------------------------------------------------

[ControlFlags]

ExcludeFromSelect.nt=Monitor\SAM022A

[ClassInstall32]

AddReg=ClassAddReg32

[ClassAddReg32]

HKR,,,,%MonitorClassName%

HKR,,Icon,,"-1"

HKR,,NoInstallClass,,1

[DestinationDirs]

DefaultDestDir = 11

SM701N.CopyFiles = 23

[SourceDisksNames]

1=%DISK%,,,

[SourceDisksFiles]

SM701N.icm=1

[Manufacturer]

%Samsung%=Samsung,NTx86,NTAMD64

; Manufacturer sections

;-----------------------------------------------------

[Samsung]

%SM701N%=SM701N.Install, Monitor\SAM022A

; Manufacturer sections

;-----------------------------------------------------

[Samsung.NTx86]

%SM701N%=SM701N.Install, Monitor\SAM022A

; Manufacturer sections

;-----------------------------------------------------

[Samsung.NTAMD64]

%SM701N%=SM701N.Install, Monitor\SAM022A

; Install Sections

;-----------------------------------------------------

[SM701N.Install]

DelReg=DEL_CURRENT_REG

AddReg=SM701N.AddReg, 1280, DPMS

CopyFiles=SM701N.CopyFiles

; Addreg & DelReg sections

;-----------------------------------------------------

[DEL_CURRENT_REG]

HKR,MODES

HKR,,MaxResolution

HKR,,DPMS

HKR,,ICMProfile

[1280]

HKR,,MaxResolution,,"1280,1024"

[DPMS]

HKR,,DPMS,,1

; AddReg sections

;-----------------------------------------------------

[SM701N.AddReg]

HKR,"MODES\1280,1024",Mode1,,"30-81,56-75,+,+"

HKR,,ICMProfile,0,"SM701N.icm"

;------------------------------------------------------

[SM701N.CopyFiles]

SM701N.icm

;------------------------------------------------------

[Strings]

DISK="Samsung Monitor Installation Disk"

MonitorClassName="Monitor"

Samsung="Samsung"

SM701N="SyncMaster 701N"

actually its the video adaptor's drivers you need to fix. nothing to do with the monitor, so you can put that disc away :)

see in your output of lshw -C display it says " *-display UNCLAIMED" so linux was not able to autodetect your video adaptor.

from the terminal enter the command:

aptitude install xserver-xorg-video-intel

see if that gets you up and running.

Thanks for your help... here is what I get upon entering the suggested command...

Basically, unable to open ''/var/lib/dpkg/lock - open'' (13 Approval not given)... everything else shows as ''done''... see the final question.. are you root????

===============
~$ aptitude install xserver-xorg-video-intel
Lecture des listes de paquets... Fait
Construction de l'arbre des dépendances
Lecture des informations d'état... Fait
Initialisation de l'état des paquets... Fait
E: Impossible d'ouvrir le fichier verrou /var/lib/dpkg/lock - open (13 Permission non accordée)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

sudo aptitude install xserver-xorg-video-intel

Thanks.. the command worked fine... as I new user I forgot the ''sudo'' in the command from the previous answer... HOWEVER even after ''rebooting'' ' I still get the one and only possible screen resolution 640x 480, with 0 hz, no change possible as no options are offered, nor am I to write in new resolution mode...

hello
you have probably to edit (sudo gedit /etc/X11/xorg.conf) and add in

Section "Monitor"

   HorizSync 30.0 - 81.0
    VertRefresh 56.0 - 75.0
EndSection

frequency seen in your
/media/cdrom0/Driver/SM701N.inf

use: s

sorry
gksudo gedit /etc/X11/xorg.conf