40 responses to “GDM (Login Screen) Resolution Too Big to Fit Screen? Try this…”

  1. amal says :

    how do i delete my computer screen is to big and the screen resolution will not let me move it. its a laptop computer screen . and i’ve had enough the screen ahs got really big anf i cant change it or anythign please help as soon as possible
    i forgot hwo i normal laptop screen looks like.
    x

  2. BenJ says :

    Thank you! Now I can actually see the user name and password fields when I log on.

  3. PackDude says :

    OH YEAH! That was just what I needed to get my login screen fixed after a monitor upgrade.

    Thanks a ten billion.

  4. Anthony says :

    Kevin,
    Many thanks for this post. My login screen has been screwed up ever since I attempted adding a second monitor, and I never could figure out the problem. After reading the post and following along, my login screen looks as good as new.

  5. Cyril says :

    Great! I used a DELL Optiplex GS240 and a DELL 1503 screen, but could not get the login screen visible as my monitor kept showing “cannot display this mode”.
    After hours Googling, I found this thread and discovered that my xorg.conf did not specifiy any resolutions at all.
    I added some common ones and this was the solution!
    Thanks a lot.

  6. Jim Harris says :

    Test.

    I tried a long post with a lot of detail about my problems with the Login screen and how Anne’s suggestions don’t work on my fresh install of 8.10, pushed “SUBMIT COMMENT” and got a screen with one word on it:

    discarded

    If there is a length limit, I wish you would tell us what it is somewhere easy to find.

    Jim

  7. Jim Harris says :

    OK; that appeared to work.

    So here’s my lspci:

    jim@Roonwit2:~$ lspci
    00:00.0 Host bridge: VIA Technologies, Inc. K8T890 Host Bridge
    00:00.1 Host bridge: VIA Technologies, Inc. K8T890 Host Bridge
    00:00.2 Host bridge: VIA Technologies, Inc. K8T890 Host Bridge
    00:00.3 Host bridge: VIA Technologies, Inc. K8T890 Host Bridge
    00:00.4 Host bridge: VIA Technologies, Inc. K8T890 Host Bridge
    00:00.5 PIC: VIA Technologies, Inc. K8T890 I/O APIC Interrupt Controller
    00:00.7 Host bridge: VIA Technologies, Inc. K8T890 Host Bridge
    00:01.0 PCI bridge: VIA Technologies, Inc. [K8T890 North / VT8237 South] PCI Bridge
    00:02.0 PCI bridge: VIA Technologies, Inc. K8T890 PCI to PCI Bridge Controller
    00:03.0 PCI bridge: VIA Technologies, Inc. K8T890 PCI to PCI Bridge Controller
    00:03.1 PCI bridge: VIA Technologies, Inc. K8T890 PCI to PCI Bridge Controller
    00:03.2 PCI bridge: VIA Technologies, Inc. K8T890 PCI to PCI Bridge Controller
    00:03.3 PCI bridge: VIA Technologies, Inc. K8T890 PCI to PCI Bridge Controller
    00:05.0 VGA compatible controller: nVidia Corporation NV44A [GeForce 6200] (rev a1)
    00:0f.0 IDE interface: VIA Technologies, Inc. VIA VT6420 SATA RAID Controller (rev 80)
    00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
    00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
    00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
    00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
    00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
    00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
    00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge [KT600/K8T800/K8T890 South]
    00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 60)
    00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 78)
    00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
    00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
    00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
    00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
    jim@Roonwit2:~$

  8. Jim Harris says :

    Hey, I’m on a roll !

    Oops ! can’t do the whole relevant part of my xorg.conf, so here’s the first part:

    Section “Device”
    Identifier “Failsafe Device”
    Boardname “NVIDIA GeForce”
    Busid “PCI:0:5:0”
    Driver “nv”
    Screen 0
    Vendorname “NVIDIA”
    EndSection

    Section “Monitor”
    Identifier “Failsafe Monitor”
    Vendorname “Hitachi, Ltd.”
    Modelname “Hitachi CM811”
    Horizsync 31.0-96.0
    Vertrefresh 50.0-160.0

  9. Jim Harris says :

    I tried to include the modelines but they get discarded.

    Here’s the end of the Monitor section:

    Section “Screen”
    Identifier “Default Screen”
    Device “Failsafe Device”
    Monitor “Failsafe Monitor”
    Defaultdepth 24
    SubSection “Display”
    Depth 24
    Virtual 1600 1200
    Modes “1600×1200@75” “1024×768@60” “1024×768@43” “1024×768@70” “1152×864@75” “1024×768@75” “1280×1024@75” “1024×768@85” “1280×960@60” “832×624@75” “1280×960@85” “800×600@60” “1280×1024@85” “800×600@85” “1280×1024@60” “800×600@75” “1280×960@75” “800×600@72” “1400×1050@60” “800×600@56” “1400×1050@75” “640×480@85” “1600×1200@65” “640×480@75” “1600×1200@60” “640×480@72” “640×480@60” “1600×1200@70” “1792×1344@60” “1856×1392@60” “1920×1440@60” “2048×1536@60”
    EndSubSection
    EndSection

  10. Jim Harris says :

    So, I tried everything Anne said but no joy.

    This is on a more-or-less ordinary box on which 8.04 ran perfectly for months (including auto-detecting the video characteristics, and the Login screen was correct).

    Then I wiped it clean and did an 8.10 standard install (no proprietary video drivers, envy, etc.) and the video was a mess, so I copied the old xorg.conf so I could return to my normal 1600×1200@70 Hz, but as I said I can’t get the login screen to display, and no, moving the mouse to the screen edges does not pan.

    Does the Ubuntu team know about all this?

    IHTH

    Jim

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