Feature Requests. Sort by. Topics details. GeForce Graphics Cards. By Recency Recency Votes Hot. Filters 2. Mark as read. Battlefield and Battlefied and VGA freeze but not constantly. Bodin Pohlner. Battlefield Crashing, ti. New Drivers capping at 60 FPS need help. DRI2 is disabled by default.
Option "UseDefaultFontPath" " boolean " Include the default font path even if other paths are specified in xorg. If enabled, other font paths are included as well.
Enabled by default. Option "IgnoreABI" " boolean " Allow modules built for a different, potentially incompatible version of the X server to load. Disabled by default. Option "AutoEnableDevices" " boolean " If this option is disabled, then the devices will be added and the DevicePresenceNotify event sent , but not enabled, thus leaving policy up to the client.
May need to be disabled to setup Xinerama. Making e. Possible values are flush or sync. Unset by default. This section is ignored when the Xorg server is built in static form. The type of modules normally loaded in this section are Xorg server extension modules.
Most other module types are loaded automatically when they are needed via other mechanisms. The Module section is optional, as are all of the entries that may be specified in it. Entries in this section may be in two forms. The first and most commonly used form is an entry that uses the Load keyword, as described here: Load " modulename " This instructs the server to load the module called modulename. The module name given should be the module's standard name, not the module file name.
Example: the DRI extension module can be loaded with the following entry: Load "dri" Disable " modulename " This instructs the server to not load the module called modulename. Some modules are loaded by default in the server, and this overrides that default. If a Load instruction is given for the same module, it overrides the Disable instruction and the module is loaded. As with the Load instruction, the standard name is case- sensitive, and does not include the "lib" prefix, or the ".
The second form of entry is a SubSection, with the subsection name being the module name, and the contents of the SubSection being Options that are passed to the module when it is loaded. Example: the extmod module which contains a miscellaneous group of server extensions can be loaded, with the XFreeDGA extension disabled by using the following entry: SubSection "extmod" Option "omit XFreeDGA" EndSubSection Modules are searched for in each directory specified in the ModulePath search path, and in the drivers, extensions, input, internal, and multimedia subdirectories of each of those directories.
In addition to this, operating system specific subdirectories of all the above are searched first if they exist. The Extensions section is optional, as are all of the entries that may be specified in it. Entries in this section are listed as Option statements with the name of the extension as the first argument, and a boolean value as the second.
The extension name is case-sensitive, and matches the form shown in the output of "Xorg -extension? Recent X servers employ HAL or udev backends for input device enumeration and input hotplugging. It is usually not necessary to provide InputDevice sections in the xorg. AutoAddDevices is enabled. If hotplugging is enabled, InputDevice sections using the mouse, kbd and vmmouse driver will be ignored. If hotplugging is disabled, there will normally be at least two: one for the core primary keyboard and one for the core pointer.
If either of these two is missing, a default configuration for the missing ones will be used. In the absence of an explicitly specified core input device, the first InputDevice marked as CorePointer or CoreKeyboard is used. The final fallback is to use built-in default configurations. Currently the default configuration may not work as expected on all platforms. InputDevice sections have the following format: Section "InputDevice" Identifier " name " Driver " inputdriver " options All other entries are optional.
The Identifier entry specifies the unique name for this input device. The Driver entry specifies the name of the driver to use for this input device. When using the loadable server, the input driver module " inputdriver " will be loaded for each active InputDevice section. An InputDevice section is considered active if it is referenced by an active ServerLayout section, if it is referenced by the -keyboard or -pointer command line options, or if it is selected implicitly as the core pointer or keyboard device in the absence of such explicit references.
The most commonly used input drivers are evdev 4 on Linux systems, and kbd 4 and mousedrv 4 on other platforms. InputDevice sections recognise some driver-independent Options , which are described here.
See the individual input driver manual pages for a description of the device-specific options. Option "AutoServerLayout" " boolean " Always add the device to the ServerLayout section used by this instance of the server. This option is disabled by default. SendCoreEvents "on" is equivalent to Floating "off". This option controls the startup behavior only, a device may be reattached or set floating at runtime.
Option "TransformationMatrix" " a b c d e f g h i " Specifies the 3x3 transformation matrix for absolute input devices. The input device will be bound to the area given in the matrix. In most configurations, "a" and "e" specify the width and height of the area the device is bound to, and "c" and "f" specify the x and y offset of the area.
The value range is 0 to 1, where 1 represents the width or height of all root windows together, 0. The values represent a 3x3 matrix, with the first, second and third group of three values representing the first, second and third row of the matrix, respectively.
The identity matrix is "1 0 0 0 1 0 0 0 1". Most of these can be adjusted at runtime, see the xinput 1 man page for details. Only the most important acceleration options are discussed here. Option "AccelerationProfile" " integer " Select the profile. In layman's terms, the profile constitutes the "feeling" of the acceleration. More formally, it defines how the transfer function actual acceleration as a function of current device velocity and acceleration controls is constructed.
This is mainly a matter of personal preference. Most useful for high- resolution devices. A value between 0 and 1 will speed up the pointer. Option "AdaptiveDeceleration" " real " Allows to actually decelerate the pointer when going slow. At most, it will be adaptive deceleration times slower. Enables precise pointer placement without sacrificing speed. Option "AccelerationScheme" " string " Selects the scheme, which is the underlying algorithm.
The acceleration factor is a rational which, together with threshold, can be used to tweak profiles to suit the users needs. The simple and limited profiles use it directly i. Typically, 1 is unaccelerated and values up to 5 are sensible. Option "AccelerationThreshold" " integer " Set the threshold, which is roughly the velocity usually device units per 10 ms required for acceleration to become effective. The precise effect varies with the profile however.
These sections are optional and are used to provide configuration for a class of input devices as they are automatically added. An input device can match more than one InputClass section.
Each class can override settings from a previous class, so it is best to arrange the sections with the most generic matches first. The Identifier entry specifies the unique name for this input class. After all classes have been examined, the " inputdriver " module from the first Driver entry will be enabled when using the loadable server.
When an input device is automatically added, its characteristics are checked against all InputClass sections. Each section can contain optional entries to narrow the match of the class. If none of the optional entries appear, the InputClass section is generic and will match any input device. If more than one of these entries appear, they all must match for the configuration to apply.
There are two types of match entries used in InputClass sections. The first allows various tokens to be matched against attributes of the device. An entry can be constructed to match attributes from different devices by separating arguments with a ' ' character.
Multiple entries of the same type may be supplied to add multiple matching conditions on the same attribute. EndSection MatchProduct " matchproduct " This entry can be used to check if the substring " matchproduct " occurs in the device's product name.
MatchVendor " matchvendor " This entry can be used to check if the substring " matchvendor " occurs in the device's vendor name. MatchDevicePath " matchdevice " This entry can be used to check if the device file matches the " matchdevice " pathname pattern. MatchOS " matchos " This entry can be used to check if the operating system matches the case- insensitive " matchos " string. This entry is only supported on platforms providing the uname 2 system call.
The ID is constructed as lowercase hexadecimal numbers separated by a ':'. This is the same format as the lsusb 8 program. MatchDriver " matchdriver " Check the case-sensitive string " matchdriver " against the currently configured driver of the device.
Ordering of sections using this entry is important since it will not match unless the driver has been set by the config backend or a previous InputClass section. MatchTag " matchtag " This entry can be used to check if tags assigned by the config backend matches the " matchtag " pattern. A match is found if at least one of the tags given in " matchtag " matches at least one of the tags assigned by the backend. MatchLayout " matchlayout " Check the case-sensitive string " matchlayout " against the currently active ServerLayout section.
The empty string "" matches an implicit layout which appears if no named ServerLayout sections have been found. These NoMatch directives match if the subsequent match is not met by the device. The second type of entry is used to match device types.
These entries take a boolean argument similar to Option entries. One InputClass specific Option is recognized. See the InputDevice section above for a description of the remaining Option entries. Option "Ignore" " boolean " This optional entry specifies that the device should be ignored entirely, and not added to the server. This can be useful when the device is handled by another program and no X events should be generated.
These sections are optional and are used to provide configuration for a class of output devices as they are automatically added. An output device can match more than one OutputClass section. The Identifier entry specifies the unique name for this output class. The Driver entry specifies the name of the driver to use for this output device. After all classes have been examined, the " outputdriver " module from the first Driver entry will be enabled when using the loadable server.
Cookie Settings. Learn why people trust wikiHow. Download Article Explore this Article Steps. Related Articles. Article Summary. Check for an existing configuration file. To see if you already have the Xorg.
If the file exists, skip to Step 8. If there is no such file, you can create it from the console by continuing with this method. Most people will never need to edit xorg. You'll only need to create or edit this file if you have a specific reason, such as an advanced configuration or a need to add specific text required to make certain hardware work.
This will bring up a new login prompt. Log in as the root user. If you're hesitant to log in as root, even from the console, you can log in as a regular user and preface the remaining commands in this method with sudo. Run the stop command for your window manager. Some examples: If you're using LightDM, you'll run service lightdm stop. If you're using Gnome, you'll run service gdm stop. This is where you'll be creating the configuration file.
Run sudo Xorg -configure. This creates a skeleton file called xorg. Information from your hardware, such as your video card and mouse, will automatically be added to the file. Viewed 4k times. If I run in Ubuntu Improve this question. Andrea Araldo Andrea Araldo 2 2 silver badges 9 9 bronze badges. Add a comment. Active Oldest Votes. According to man xorg. Finally, configuration files will also be searched for in directories reserved for system use.
These are to separate configuration files from the vendor or 3rd party packages from those of local administration.
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