Screen resolution stuck at 640 x 480

Hi folks,
I'm using OS 10.4.9 on a Power Mac G4 with one of those grey eggshell-like Apple displays. A week or so ago, I lost all resolution options (I always had it at 1024 x 768) and I'm stuck at 640 x 480. Nothing else appears in System Preferences besides this option.
In the past a simple restart solved the problem; not this time. I already zapped the NVRAM to no avail.
Any suggestions?

I searched the forums with no satisfactory solution to the problem.
Anyone have suggestions?

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Xserve screen resolution stuck at 640 x 480

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beavis51-
Greetings and welcome to the Apple boards.
Did you check your cable and connections? I am not positive but it seems to me that the video card may have to sense the ability of the monitor to display the proper resolution.
Have you tried connecting the monitor to another device to make sure it is not the monitor?
Luck-
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First off, the power cable is not permanently attached to the monitor. It is a 3-pronged, grounded connector at the monitor end. I know because I just disconnected mine and freed up the entire cable. Since I'm one of those who just does stuff even when it may not always be well-advised, I can report on an experience that could bear on your situation.
I had my Mac Pro running when I reached around the back of my 24" LED display and pulled the plug from the monitor. Of course, the monitor instantly went "black". I quickly replugged it back in (no, I didn't shut anything down and risked frying the monitor). When the monitor returned to life it was "stuck" in 640 x 480 mode and I could only "restart" or "shut down" to get it restored to the 1920 x 1200 mode I keep it in.
This suggests to me that the problem lies in your cabling and power delivery system. Perhaps you are getting power surges or power spikes that have the equivalent effect of taking your monitor "off" and then returning the monitor to a 640 x 480 condition after restoring power.
If it were me, I'd try with a new monitor cable to power. I'm betting your problem doesn't have anything to do with the monitor to computer cable, but it isn't the only cable here. Something is disrupting the constant power feed and I'm betting the problem is amplified by faulty power cord. Since I just replicated your situation by literally pulling the plug and replugging it in, it seems to me that this would be a fruitful area of investigation.
Hope this leads you somewhere positive.

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640 x 480 resolution problem [solved]

I testing Arch. I've got it installed as a vbox guest. I plan (if things go well) to eventually turn it into a live CD, as I can't find one out there now that fully meets my needs.
So far, things have gone pretty smooth, but now I've hit a wall. I got lxde installed (live CD, so keep it light and lean) and it works. The problem is the resolution is stuck at 640 x 480. I can't increase it. xrandr says my max is 640 x 480, which I know isn't true. Obviously installing specific drivers isn't an option as I plan on doing the live CD. Quite a bit of searching turned up several solved, but most of those were physical hardware issues in the end (Puppy does 1600x1050 as a guest, so it's not hardware or vbox) and "it just fixed itself" isn't an answer for me. What am I doing wrong?
Xorg.0.log
[ 4.981]
X.Org X Server 1.15.0
Release Date: 2013-12-27
[ 4.981] X Protocol Version 11, Revision 0
[ 4.981] Build Operating System: Linux 3.12.5-1-ARCH i686
[ 4.981] Current Operating System: Linux AveA 3.12.9-1-ARCH #1 SMP PREEMPT Sun Jan 26 09:15:23 CET 2014 i686
[ 4.981] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux root=UUID=fbaafe30-b716-4dfa-b1b6-a1d8e054b5d1 rw quiet
[ 4.981] Build Date: 09 January 2014 09:32:33AM
[ 4.981]
[ 4.981] Current version of pixman: 0.32.4
[ 4.981] Before reporting problems, check [url]http://wiki.x.org[/url]
to make sure that you have the latest version.
[ 4.981] Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 4.981] (==) Log file: "/var/log/Xorg.0.log", Time: Sat Feb 15 22:46:13 2014
[ 5.028] (==) Using config directory: "/etc/X11/xorg.conf.d"
[ 5.028] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 5.072] (==) No Layout section. Using the first Screen section.
[ 5.072] (==) No screen section available. Using defaults.
[ 5.072] (**) |-->Screen "Default Screen Section" (0)
[ 5.072] (**) | |-->Monitor "<default monitor>"
[ 5.073] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 5.073] (==) Automatically adding devices
[ 5.073] (==) Automatically enabling devices
[ 5.073] (==) Automatically adding GPU devices
[ 5.090] (WW) The directory "/usr/share/fonts/Type1/" does not exist.
[ 5.090] Entry deleted from font path.
[ 5.115] (==) FontPath set to:
/usr/share/fonts/misc/,
/usr/share/fonts/TTF/,
/usr/share/fonts/OTF/,
/usr/share/fonts/100dpi/,
/usr/share/fonts/75dpi/
[ 5.115] (==) ModulePath set to "/usr/lib/xorg/modules"
[ 5.115] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 5.115] (II) Loader magic: 0x8265660
[ 5.115] (II) Module ABI versions:
[ 5.115] X.Org ANSI C Emulation: 0.4
[ 5.115] X.Org Video Driver: 15.0
[ 5.115] X.Org XInput driver : 20.0
[ 5.115] X.Org Server Extension : 8.0
[ 5.116] (II) xfree86: Adding drm device (/dev/dri/card0)
[ 5.130] (--) PCI:*(0:0:2:0) 80ee:beef:0000:0000 rev 0, Mem @ 0xe0000000/33554432
[ 5.130] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
[ 5.131] Initializing built-in extension Generic Event Extension
[ 5.131] Initializing built-in extension SHAPE
[ 5.131] Initializing built-in extension MIT-SHM
[ 5.131] Initializing built-in extension XInputExtension
[ 5.131] Initializing built-in extension XTEST
[ 5.131] Initializing built-in extension BIG-REQUESTS
[ 5.131] Initializing built-in extension SYNC
[ 5.131] Initializing built-in extension XKEYBOARD
[ 5.131] Initializing built-in extension XC-MISC
[ 5.131] Initializing built-in extension SECURITY
[ 5.132] Initializing built-in extension XINERAMA
[ 5.132] Initializing built-in extension XFIXES
[ 5.132] Initializing built-in extension RENDER
[ 5.132] Initializing built-in extension RANDR
[ 5.132] Initializing built-in extension COMPOSITE
[ 5.132] Initializing built-in extension DAMAGE
[ 5.132] Initializing built-in extension MIT-SCREEN-SAVER
[ 5.132] Initializing built-in extension DOUBLE-BUFFER
[ 5.132] Initializing built-in extension RECORD
[ 5.132] Initializing built-in extension DPMS
[ 5.132] Initializing built-in extension Present
[ 5.132] Initializing built-in extension DRI3
[ 5.132] Initializing built-in extension X-Resource
[ 5.132] Initializing built-in extension XVideo
[ 5.132] Initializing built-in extension XVideo-MotionCompensation
[ 5.132] Initializing built-in extension XFree86-VidModeExtension
[ 5.132] Initializing built-in extension XFree86-DGA
[ 5.132] Initializing built-in extension XFree86-DRI
[ 5.132] Initializing built-in extension DRI2
[ 5.132] (II) "glx" will be loaded by default.
[ 5.132] (II) LoadModule: "dri2"
[ 5.132] (II) Module "dri2" already built-in
[ 5.132] (II) LoadModule: "glamoregl"
[ 5.132] (II) Loading /usr/lib/xorg/modules/libglamoregl.so
[ 5.323] (II) Module glamoregl: vendor="X.Org Foundation"
[ 5.323] compiled for 1.15.0, module version = 0.6.0
[ 5.323] ABI class: X.Org ANSI C Emulation, version 0.4
[ 5.323] (II) LoadModule: "glx"
[ 5.338] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 5.352] (II) Module glx: vendor="X.Org Foundation"
[ 5.352] compiled for 1.15.0, module version = 1.0.0
[ 5.352] ABI class: X.Org Server Extension, version 8.0
[ 5.352] (==) AIGLX enabled
[ 5.352] Loading extension GLX
[ 5.352] (==) Matched vboxvideo as autoconfigured driver 0
[ 5.352] (==) Matched vboxvideo as autoconfigured driver 1
[ 5.352] (==) Matched modesetting as autoconfigured driver 2
[ 5.352] (==) Matched fbdev as autoconfigured driver 3
[ 5.352] (==) Matched vesa as autoconfigured driver 4
[ 5.352] (==) Assigned the driver to the xf86ConfigLayout
[ 5.352] (II) LoadModule: "vboxvideo"
[ 5.371] (WW) Warning, couldn't open module vboxvideo
[ 5.371] (II) UnloadModule: "vboxvideo"
[ 5.371] (II) Unloading vboxvideo
[ 5.371] (EE) Failed to load module "vboxvideo" (module does not exist, 0)
[ 5.371] (II) LoadModule: "modesetting"
[ 5.371] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 5.388] (II) Module modesetting: vendor="X.Org Foundation"
[ 5.388] compiled for 1.15.0, module version = 0.8.1
[ 5.388] Module class: X.Org Video Driver
[ 5.389] ABI class: X.Org Video Driver, version 15.0
[ 5.389] (II) LoadModule: "fbdev"
[ 5.389] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 5.393] (II) Module fbdev: vendor="X.Org Foundation"
[ 5.393] compiled for 1.15.0, module version = 0.4.4
[ 5.393] Module class: X.Org Video Driver
[ 5.393] ABI class: X.Org Video Driver, version 15.0
[ 5.393] (II) LoadModule: "vesa"
[ 5.394] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[ 5.403] (II) Module vesa: vendor="X.Org Foundation"
[ 5.404] compiled for 1.15.0, module version = 2.3.2
[ 5.404] Module class: X.Org Video Driver
[ 5.404] ABI class: X.Org Video Driver, version 15.0
[ 5.404] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[ 5.404] (II) FBDEV: driver for framebuffer: fbdev
[ 5.404] (II) VESA: driver for VESA chipsets: vesa
[ 5.404] (++) using VT number 1
[ 5.404] (WW) Falling back to old probe method for modesetting
[ 5.404] (II) Loading sub module "fbdevhw"
[ 5.404] (II) LoadModule: "fbdevhw"
[ 5.404] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[ 5.415] (II) Module fbdevhw: vendor="X.Org Foundation"
[ 5.415] compiled for 1.15.0, module version = 0.0.2
[ 5.415] ABI class: X.Org Video Driver, version 15.0
[ 5.415] (**) FBDEV(1): claimed PCI slot 0@0:2:0
[ 5.415] (II) FBDEV(1): using default device
[ 5.415] (WW) Falling back to old probe method for vesa
[ 5.416] (EE) Screen 0 deleted because of no matching config section.
[ 5.416] (II) UnloadModule: "modesetting"
[ 5.416] (II) FBDEV(0): Creating default Display subsection in Screen section
"Default Screen Section" for depth/fbbpp 24/32
[ 5.416] (==) FBDEV(0): Depth 24, (==) framebuffer bpp 32
[ 5.416] (==) FBDEV(0): RGB weight 888
[ 5.416] (==) FBDEV(0): Default visual is TrueColor
[ 5.416] (==) FBDEV(0): Using gamma correction (1.0, 1.0, 1.0)
[ 5.416] (II) FBDEV(0): hardware: VESA VGA (video memory: 1216kB)
[ 5.416] (II) FBDEV(0): checking modes against framebuffer device...
[ 5.416] (II) FBDEV(0): checking modes against monitor...
[ 5.416] (--) FBDEV(0): Virtual size is 640x480 (pitch 640)
[ 5.416] (**) FBDEV(0): Built-in mode "current": 30.7 MHz, 36.9 kHz, 73.3 Hz
[ 5.416] (II) FBDEV(0): Modeline "current"x0.0 30.72 640 672 752 832 480 484 488 504 -hsync -vsync -csync (36.9 kHz b)
[ 5.416] (==) FBDEV(0): DPI set to (96, 96)
[ 5.416] (II) Loading sub module "fb"
[ 5.416] (II) LoadModule: "fb"
[ 5.416] (II) Loading /usr/lib/xorg/modules/libfb.so
[ 5.422] (II) Module fb: vendor="X.Org Foundation"
[ 5.422] compiled for 1.15.0, module version = 1.0.0
[ 5.422] ABI class: X.Org ANSI C Emulation, version 0.4
[ 5.422] (**) FBDEV(0): using shadow framebuffer
[ 5.422] (II) Loading sub module "shadow"
[ 5.422] (II) LoadModule: "shadow"
[ 5.422] (II) Loading /usr/lib/xorg/modules/libshadow.so
[ 5.426] (II) Module shadow: vendor="X.Org Foundation"
[ 5.426] compiled for 1.15.0, module version = 1.1.0
[ 5.426] ABI class: X.Org ANSI C Emulation, version 0.4
[ 5.426] (II) UnloadModule: "vesa"
[ 5.426] (II) Unloading vesa
[ 5.426] (==) Depth 24 pixmap format is 32 bpp
[ 5.426] (EE) FBDEV(0): FBIOBLANK: Invalid argument
[ 5.433] (==) FBDEV(0): Backing store enabled
[ 5.434] (==) FBDEV(0): DPMS enabled
[ 5.434] (==) RandR enabled
[ 5.451] (II) AIGLX: Screen 0 is not DRI2 capable
[ 5.451] (EE) AIGLX: reverting to software rendering
[ 5.993] (II) AIGLX: Loaded and initialized swrast
[ 5.993] (II) GLX: Initialized DRISWRAST GL provider for screen 0
[ 6.318] (II) config/udev: Adding input device Power Button (/dev/input/event1)
[ 6.318] (**) Power Button: Applying InputClass "evdev keyboard catchall"
[ 6.318] (II) LoadModule: "evdev"
[ 6.318] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[ 6.331] (II) Module evdev: vendor="X.Org Foundation"
[ 6.331] compiled for 1.15.0, module version = 2.8.2
[ 6.331] Module class: X.Org XInput Driver
[ 6.331] ABI class: X.Org XInput driver, version 20.0
[ 6.331] (II) Using input driver 'evdev' for 'Power Button'
[ 6.331] (**) Power Button: always reports core events
[ 6.331] (**) evdev: Power Button: Device: "/dev/input/event1"
[ 6.331] (--) evdev: Power Button: Vendor 0 Product 0x1
[ 6.331] (--) evdev: Power Button: Found keys
[ 6.331] (II) evdev: Power Button: Configuring as keyboard
[ 6.331] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input2/event1"
[ 6.331] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)
[ 6.331] (**) Option "xkb_rules" "evdev"
[ 6.331] (**) Option "xkb_model" "pc104"
[ 6.331] (**) Option "xkb_layout" "us"
[ 6.351] (II) config/udev: Adding input device Sleep Button (/dev/input/event2)
[ 6.351] (**) Sleep Button: Applying InputClass "evdev keyboard catchall"
[ 6.351] (II) Using input driver 'evdev' for 'Sleep Button'
[ 6.351] (**) Sleep Button: always reports core events
[ 6.351] (**) evdev: Sleep Button: Device: "/dev/input/event2"
[ 6.351] (--) evdev: Sleep Button: Vendor 0 Product 0x3
[ 6.351] (--) evdev: Sleep Button: Found keys
[ 6.351] (II) evdev: Sleep Button: Configuring as keyboard
[ 6.351] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSLPBN:00/input/input3/event2"
[ 6.351] (II) XINPUT: Adding extended input device "Sleep Button" (type: KEYBOARD, id 7)
[ 6.351] (**) Option "xkb_rules" "evdev"
[ 6.351] (**) Option "xkb_model" "pc104"
[ 6.351] (**) Option "xkb_layout" "us"
[ 6.352] (II) config/udev: Adding drm device (/dev/dri/card0)
[ 6.352] (II) config/udev: Adding input device VirtualBox mouse integration (/dev/input/event3)
[ 6.352] (**) VirtualBox mouse integration: Applying InputClass "evdev pointer catchall"
[ 6.352] (II) Using input driver 'evdev' for 'VirtualBox mouse integration'
[ 6.352] (**) VirtualBox mouse integration: always reports core events
[ 6.352] (**) evdev: VirtualBox mouse integration: Device: "/dev/input/event3"
[ 6.352] (--) evdev: VirtualBox mouse integration: Vendor 0x80ee Product 0xcafe
[ 6.352] (--) evdev: VirtualBox mouse integration: Found 1 mouse buttons
[ 6.352] (--) evdev: VirtualBox mouse integration: Found absolute axes
[ 6.352] (--) evdev: VirtualBox mouse integration: Found x and y absolute axes
[ 6.352] (--) evdev: VirtualBox mouse integration: Found absolute touchscreen
[ 6.352] (II) evdev: VirtualBox mouse integration: Configuring as touchscreen
[ 6.352] (**) evdev: VirtualBox mouse integration: YAxisMapping: buttons 4 and 5
[ 6.352] (**) evdev: VirtualBox mouse integration: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
[ 6.352] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:04.0/input/input4/event3"
[ 6.352] (II) XINPUT: Adding extended input device "VirtualBox mouse integration" (type: TOUCHSCREEN, id 8)
[ 6.352] (II) evdev: VirtualBox mouse integration: initialized for absolute axes.
[ 6.352] (**) VirtualBox mouse integration: (accel) keeping acceleration scheme 1
[ 6.352] (**) VirtualBox mouse integration: (accel) acceleration profile 0
[ 6.352] (**) VirtualBox mouse integration: (accel) acceleration factor: 2.000
[ 6.352] (**) VirtualBox mouse integration: (accel) acceleration threshold: 4
[ 6.352] (II) config/udev: Adding input device VirtualBox mouse integration (/dev/input/js0)
[ 6.353] (II) No input driver specified, ignoring this device.
[ 6.353] (II) This device may have been added with another device file.
[ 6.353] (II) config/udev: Adding input device VirtualBox USB Tablet (/dev/input/event5)
[ 6.353] (**) VirtualBox USB Tablet: Applying InputClass "evdev pointer catchall"
[ 6.353] (II) Using input driver 'evdev' for 'VirtualBox USB Tablet'
[ 6.353] (**) VirtualBox USB Tablet: always reports core events
[ 6.353] (**) evdev: VirtualBox USB Tablet: Device: "/dev/input/event5"
[ 6.353] (--) evdev: VirtualBox USB Tablet: Vendor 0x80ee Product 0x21
[ 6.353] (--) evdev: VirtualBox USB Tablet: Found 9 mouse buttons
[ 6.353] (--) evdev: VirtualBox USB Tablet: Found scroll wheel(s)
[ 6.353] (--) evdev: VirtualBox USB Tablet: Found relative axes
[ 6.353] (--) evdev: VirtualBox USB Tablet: Found absolute axes
[ 6.353] (--) evdev: VirtualBox USB Tablet: Found x and y absolute axes
[ 6.353] (--) evdev: VirtualBox USB Tablet: Found absolute touchscreen
[ 6.353] (II) evdev: VirtualBox USB Tablet: Configuring as touchscreen
[ 6.353] (II) evdev: VirtualBox USB Tablet: Adding scrollwheel support
[ 6.353] (**) evdev: VirtualBox USB Tablet: YAxisMapping: buttons 4 and 5
[ 6.353] (**) evdev: VirtualBox USB Tablet: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
[ 6.353] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:06.0/usb2/2-1/2-1:1.0/input/input6/event5"
[ 6.354] (II) XINPUT: Adding extended input device "VirtualBox USB Tablet" (type: TOUCHSCREEN, id 9)
[ 6.354] (WW) evdev: VirtualBox USB Tablet: touchpads, tablets and touchscreens ignore relative axes.
[ 6.354] (II) evdev: VirtualBox USB Tablet: initialized for absolute axes.
[ 6.354] (**) VirtualBox USB Tablet: (accel) keeping acceleration scheme 1
[ 6.354] (**) VirtualBox USB Tablet: (accel) acceleration profile 0
[ 6.354] (**) VirtualBox USB Tablet: (accel) acceleration factor: 2.000
[ 6.354] (**) VirtualBox USB Tablet: (accel) acceleration threshold: 4
[ 6.354] (II) config/udev: Adding input device VirtualBox USB Tablet (/dev/input/js1)
[ 6.354] (II) No input driver specified, ignoring this device.
[ 6.354] (II) This device may have been added with another device file.
[ 6.354] (II) config/udev: Adding input device VirtualBox USB Tablet (/dev/input/mouse0)
[ 6.354] (II) No input driver specified, ignoring this device.
[ 6.354] (II) This device may have been added with another device file.
[ 6.354] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event0)
[ 6.355] (**) AT Translated Set 2 keyboard: Applying InputClass "evdev keyboard catchall"
[ 6.355] (II) Using input driver 'evdev' for 'AT Translated Set 2 keyboard'
[ 6.355] (**) AT Translated Set 2 keyboard: always reports core events
[ 6.355] (**) evdev: AT Translated Set 2 keyboard: Device: "/dev/input/event0"
[ 6.355] (--) evdev: AT Translated Set 2 keyboard: Vendor 0x1 Product 0x1
[ 6.355] (--) evdev: AT Translated Set 2 keyboard: Found keys
[ 6.355] (II) evdev: AT Translated Set 2 keyboard: Configuring as keyboard
[ 6.355] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input0/event0"
[ 6.355] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 10)
[ 6.355] (**) Option "xkb_rules" "evdev"
[ 6.355] (**) Option "xkb_model" "pc104"
[ 6.355] (**) Option "xkb_layout" "us"
[ 6.355] (II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/event6)
[ 6.355] (**) ImExPS/2 Generic Explorer Mouse: Applying InputClass "evdev pointer catchall"
[ 6.355] (II) Using input driver 'evdev' for 'ImExPS/2 Generic Explorer Mouse'
[ 6.355] (**) ImExPS/2 Generic Explorer Mouse: always reports core events
[ 6.355] (**) evdev: ImExPS/2 Generic Explorer Mouse: Device: "/dev/input/event6"
[ 6.355] (--) evdev: ImExPS/2 Generic Explorer Mouse: Vendor 0x2 Product 0x6
[ 6.355] (--) evdev: ImExPS/2 Generic Explorer Mouse: Found 9 mouse buttons
[ 6.355] (--) evdev: ImExPS/2 Generic Explorer Mouse: Found scroll wheel(s)
[ 6.355] (--) evdev: ImExPS/2 Generic Explorer Mouse: Found relative axes
[ 6.355] (--) evdev: ImExPS/2 Generic Explorer Mouse: Found x and y relative axes
[ 6.355] (II) evdev: ImExPS/2 Generic Explorer Mouse: Configuring as mouse
[ 6.355] (II) evdev: ImExPS/2 Generic Explorer Mouse: Adding scrollwheel support
[ 6.355] (**) evdev: ImExPS/2 Generic Explorer Mouse: YAxisMapping: buttons 4 and 5
[ 6.355] (**) evdev: ImExPS/2 Generic Explorer Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
[ 6.355] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input7/event6"
[ 6.355] (II) XINPUT: Adding extended input device "ImExPS/2 Generic Explorer Mouse" (type: MOUSE, id 11)
[ 6.355] (II) evdev: ImExPS/2 Generic Explorer Mouse: initialized for relative axes.
[ 6.355] (**) ImExPS/2 Generic Explorer Mouse: (accel) keeping acceleration scheme 1
[ 6.355] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration profile 0
[ 6.355] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration factor: 2.000
[ 6.355] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration threshold: 4
[ 6.355] (II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/mouse1)
[ 6.355] (II) No input driver specified, ignoring this device.
[ 6.355] (II) This device may have been added with another device file.
[ 6.356] (II) config/udev: Adding input device PC Speaker (/dev/input/event4)
[ 6.356] (II) No input driver specified, ignoring this device.
[ 6.356] (II) This device may have been added with another device file.
[ 6.358] (EE) FBDEV(0): FBIOBLANK: Invalid argument
Last edited by rsberzerker (2014-02-16 23:30:00)

Vesa drivers are normally used as a fallback as it is very generic. Use the free or proprietary drivers for your intel/ati/nvidia instead.
Here is a quote from the beginner's guide:
"The vesa driver is a generic mode-setting driver that will work with almost every GPU, but will not provide any 2D or 3D acceleration. If a better driver cannot be found or fails to load, Xorg will fall back to vesa. To install it:"
https://wiki.archlinux.org/index.php/Beginners'_Guide/Post-installation#Install_a_video_driver

Display resolution stuck

The display is stuck on 640 X 480.
When I switch it it goes back when I open anything.

OK. It was a guess anyway.
I changed my screen resolution and then did a search of system files to see what was changed today.
I sorted by descending date/time and that file was at the top of the list.
I opened it with the Property List Editor program and saw it contained the changed resolution, so I took a guess that deleting that file and rebooting would set you straight.
You might look for recently changed files with likely names in your personal settings folder:
~/library/preferences
and try deleting and re-logon (you don't need to restart if you're only changing your own files - a re-logon picks up the change)
Sorry - I don't have a better guess. Good luck

Change Screen resolution in solaris

Hi
How can I change the screen resolution in either cde/java desktop? I remember setting the resolution to 800*600. But after installation the screen resolution has become 640*480 and everything is big.

How`s about a little more info ?
Are you running a SPARC machine or a PC ?
If you have installed on a PC, simply bring up a terminal window and type : kdmconfig
A little more involved if installed on a SPARC machine.
Good luck .................JRH.

Suddenly LED 24" Arrangement broken, only get 640 x 480 resolution

Yesterday, did a SuperDuper backup instructing "when finished shut down." This morning I fired up my MacBook Pro and the LED 24" and the latter will only display 640 X 480 resolution (very big with jaggies). Also the prior arrangement setting is gone and cannot be reset. I've tried unplugging the LED and restarting the MacBook Pro. Neither changes the situation.
Incidentally, in the Display window of System Preferences the MacBook Pro shows everything as normal. The Display window of the LED shows the ONLY resolution available is 640 X 280. In other words, it is not as though other options are presented to select. Toggling mirroring doesn't seem to do anything either.
Please help. In this condition the LED is useless.

Well, I seemed to have fixed the problem by unplugging the LED from both the MacBook Pro and the wall outlet. After counting to 10 I plugged it all back together and the LED is showing the proper resolution, arrangement and resolution options.
Of course, I'm still interested in trying to figure out what happened in the first place. If any of you have ideas, I'd like to hear them. The LED is plugged into a surge strip, so I'm discounting that. Perhaps while I was away last night, there was a power failure. Anyway, I've had this display for 8 months, love it and it has never behaved this way before.

I was trying to fix my screen resolution and now it's stuck on auto detect cannot display this video mode. I tried another monitor and it still won't show anything. I'm locked out

I was trying to fix my screen resolution and now it's stuck on auto detect cannot display this video mode. I tried another monitor and it still won't show anything. I'm locked out

Reset the SMC and PRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
About NVRAM and PRAM
Next try Safe Mode boot and and then normal boot
OS X: What is Safe Boot, Safe Mode?

No wide screen resolution option

i just connected my imac to a external display(HD TV) useing a vga cable. the only problem i have is that the resolution wont go high enough to tvs native resolution and ratio. i need a wide screen ratio but the only option i get in the dispay settings is 3:4
i do not want to pay for a fix.

VGA does not support widescreen and is limited to 640 x 480 resolution.

Screen resolution at boot time and in single user mode?

Hello!
I remember back in 10.3.8 or earlier my Mac booted right away in 1280 by 1024 pixels screen resolution, thus avoiding the video mode change when showing the progress bar.
I didn't manage to get it back to work this way.
Reset NVRAM ( a zillion times!) didn't help, nor did setting the screen mode from the admin or root account.
I'd really like to have it back!
It's no fun working in single user mode on 640 by 480.
I know this has been working with the original ATI Rage 128 and with the Radeon 7000 PCI I built in 3 years ago.
Any ideas?
Gerhard
Powermac G3 b/w Rev. B Mac OS X (10.4.7) RAM: 896 MB

Not sure if this is related enough, but I just wrestled trying to restore from time machine too, trying to reinstall 10.5.8 after putting a new HD in my MBP, 2006 vintage.
That took sooooo long to get back to where I was before swapping disks; what did the trick was ordering a free copy of Snow Leopard install disk (free due to Apple trying to push people from idisk to icloud) which was rushed FedEx (yay) and which allowed me to access Time Machine where my ancient original OSX install disk had not.
And all it took was 2 weeks of cursing!

Locking Screen Resolution with KVM

I have a MacBook Pro 15" running 10.4.8. I have a Iogear DVI KVM attached to the DVI port. The monitor attached to the KVM is a Gateway FPD2485W 24" LCD with optimal resolution of 1920x1200. The Mac performs wonderfully at this resolution.
The problem I have is that when I switch away from the Mac with the KVM for more than a moment and then switch back, the Mac reverts to 1024x768 with a "KVM Monitor" profile in the Display Prefs. If I press "Detect Displays" after switching back, it once again properly recognizes my Gateway and then switches to the correct 1920x1200 resolution.
Is there any fix for this? Is there any way to "lock" the DVI port resolution somehow, or maybe to modify the "KVM Monitor" profile so it allows 1920x1200 resolution as well? Any other options to fix this? It is annoying to have to have the Mac detect the monitor and maximize my windows every time I switch back to it.
Any help is appreciated!
T.

I'm sorry, I've been investigating this as well. I use an ioGear KVM with VGA, the one that's shaped like the Mac mini I use it with. It has gotten worse. I find that I simply have to turn off sleep altogether, or else I find I'm switching to a blank screen on the mini. Sometimes I solved the problem by touching the sleep button and then waking it up. It seems to be in a forgetful coma.
Other irritations: if I'm away from the mini for a while, when I go back, there is the Bluetooth "wizard," looking for the USB keyboard and mouse. When I'm running Windows in Parallels, the problem is worse, freezing up Windows.
By turning off sleep, I've ameliorated the problem greatly. But I still will return to, in my case, not a 1280x1024 screen, but 640 x 480. Then it blacks out, and when it returns with my default setting, windows are only half as high: the desktop may be 1280x1024, but Safari looks like 1280x512. Grr.
PowerMac G5 Dual 2.0 Mac OS X (10.4)

Screen resolution stuck at 640 x 480

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