Julien Cristau wrote:
What do you mean by "unable to switch to my VGA monitor"?  What does
xrandr --verbose report with KMS?  One difference with UMS is that the
output name will probably be VGA1 instead of VGA.

Thank you Julian, you pointed exactly right.

I rebooted with modeset=1 and ran xrandr and the output was indeed changed to VGA1 and LVDS1.

xrandr --output VGA1 --auto --output LVDS1 --off

I got my mouse pointer back and can work on my VGA screen, many many thanks.

Best regards,

Jelle


$ xrandr --verbose
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 2048 x 2048
VGA connected (normal left inverted right x axis y axis)
    Identifier: 0x3b
    Timestamp:  22641
    Subpixel:   unknown
    Clones:
    CRTCs:      0 1
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter:
    EDID_DATA:
        00ffffffffffff004c2d250239314148
        211001030e291a878ad7a5a2594a9624
        145054bfef809500950f81808140714f
        0101010101019a29a0d0518422305098
        36009a011100001c000000fd00384b1e
        510e000a202020202020000000fc0053
        796e634d61737465720a2020000000ff
        004853484c3831323030330a202000be
  1440x900 (0x3d)  106.5MHz -HSync +VSync +preferred
        h: width  1440 start 1520 end 1672 total 1904 skew    0 clock   55.9KHz
        v: height  900 start  903 end  909 total  934           clock   59.9Hz
  1280x1024 (0x3e)  135.0MHz +HSync +VSync
        h: width  1280 start 1296 end 1440 total 1688 skew    0 clock   80.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   75.0Hz
  1280x1024 (0x3f)  108.0MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock   64.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   60.0Hz
  1440x900 (0x40)  136.8MHz -HSync +VSync
        h: width  1440 start 1536 end 1688 total 1936 skew    0 clock   70.6KHz
        v: height  900 start  903 end  909 total  942           clock   75.0Hz
  1440x900 (0x3d)  106.5MHz -HSync +VSync
        h: width  1440 start 1520 end 1672 total 1904 skew    0 clock   55.9KHz
        v: height  900 start  903 end  909 total  934           clock   59.9Hz
  1280x960 (0x41)  108.0MHz +HSync +VSync
        h: width  1280 start 1376 end 1488 total 1800 skew    0 clock   60.0KHz
        v: height  960 start  961 end  964 total 1000           clock   60.0Hz
  1152x864 (0x42)  108.0MHz +HSync +VSync
        h: width  1152 start 1216 end 1344 total 1600 skew    0 clock   67.5KHz
        v: height  864 start  865 end  868 total  900           clock   75.0Hz
  1024x768 (0x43)   78.8MHz +HSync +VSync
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock   60.0KHz
        v: height  768 start  769 end  772 total  800           clock   75.0Hz
  1024x768 (0x44)   75.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1328 skew    0 clock   56.5KHz
        v: height  768 start  771 end  777 total  806           clock   70.1Hz
  1024x768 (0x45)   65.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock   48.4KHz
        v: height  768 start  771 end  777 total  806           clock   60.0Hz
  832x624 (0x46)   57.3MHz -HSync -VSync
        h: width   832 start  864 end  928 total 1152 skew    0 clock   49.7KHz
        v: height  624 start  625 end  628 total  667           clock   74.6Hz
  800x600 (0x47)   50.0MHz +HSync +VSync
        h: width   800 start  856 end  976 total 1040 skew    0 clock   48.1KHz
        v: height  600 start  637 end  643 total  666           clock   72.2Hz
  800x600 (0x48)   49.5MHz +HSync +VSync
        h: width   800 start  816 end  896 total 1056 skew    0 clock   46.9KHz
        v: height  600 start  601 end  604 total  625           clock   75.0Hz
  800x600 (0x49)   40.0MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock   37.9KHz
        v: height  600 start  601 end  605 total  628           clock   60.3Hz
  800x600 (0x4a)   36.0MHz +HSync +VSync
        h: width   800 start  824 end  896 total 1024 skew    0 clock   35.2KHz
        v: height  600 start  601 end  603 total  625           clock   56.2Hz
  640x480 (0x4b)   31.5MHz -HSync -VSync
        h: width   640 start  656 end  720 total  840 skew    0 clock   37.5KHz
        v: height  480 start  481 end  484 total  500           clock   75.0Hz
  640x480 (0x4c)   31.5MHz -HSync -VSync
        h: width   640 start  664 end  704 total  832 skew    0 clock   37.9KHz
        v: height  480 start  489 end  492 total  520           clock   72.8Hz
  640x480 (0x4d)   30.2MHz -HSync -VSync
        h: width   640 start  704 end  768 total  864 skew    0 clock   35.0KHz
        v: height  480 start  483 end  486 total  525           clock   66.7Hz
  640x480 (0x4e)   25.2MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock   31.5KHz
        v: height  480 start  490 end  492 total  525           clock   59.9Hz
  720x400 (0x4f)   28.3MHz -HSync +VSync
        h: width   720 start  738 end  846 total  900 skew    0 clock   31.5KHz
        v: height  400 start  412 end  414 total  449           clock   70.1Hz
LVDS connected 1366x768+0+0 (0x50) normal (normal left inverted right x axis y 
axis) 224mm x 126mm
    Identifier: 0x3c
    Timestamp:  22641
    Subpixel:   horizontal rgb
    Clones:
    CRTC:       1
    CRTCs:      1
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter:
    EDID_DATA:
        00ffffffffffff0030e4480200000000
        0013010380160d780a1ee5985a539526
        1c505400000001010101010101010101
        010101010101121b5660500016303020
        3500e07e0000001b0000000000000000
        00000000000000000000000000fe004c
        4720446973706c61790a2020000000fc
        004c503130315748312d544c42340014
    PANEL_FITTING:  full_aspect
        supported: center       full_aspect  full
    BACKLIGHT_CONTROL:  kernel
        supported: native       legacy       combination  kernel
    BACKLIGHT: 10 (0x0000000a)  range:  (0,10)
  1366x768 (0x50)   69.3MHz +HSync -VSync *current +preferred
        h: width  1366 start 1414 end 1446 total 1462 skew    0 clock   47.4KHz
        v: height  768 start  771 end  776 total  790           clock   60.0Hz
  1360x768 (0x51)   84.8MHz -HSync +VSync
        h: width  1360 start 1432 end 1568 total 1776 skew    0 clock   47.7KHz
        v: height  768 start  771 end  781 total  798           clock   59.8Hz
  800x600 (0x49)   40.0MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock   37.9KHz
        v: height  600 start  601 end  605 total  628           clock   60.3Hz
  640x480 (0x4e)   25.2MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock   31.5KHz
        v: height  480 start  490 end  492 total  525           clock   59.9Hz

xrandr -q
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 2048 x 2048
VGA connected (normal left inverted right x axis y axis)
   1440x900       59.9 +   75.0     59.9
   1280x1024      75.0     60.0
   1280x960       60.0
   1152x864       75.0
   1024x768       75.0     70.1     60.0
   832x624        74.6
   800x600        72.2     75.0     60.3     56.2
   640x480        75.0     72.8     66.7     59.9
   720x400        70.1
LVDS connected 1366x768+0+0 (normal left inverted right x axis y axis) 224mm x 
126mm
   1366x768       60.0*+
   1360x768       59.8
   800x600        60.3
   640x480        59.9
xrandr --output VGA1 --auto --output LVDS1 --off (this is working)

xrandr --verbose
Screen 0: minimum 320 x 200, current 800 x 600, maximum 2048 x 2048
VGA1 connected 800x600+0+0 (0x46) normal (normal left inverted right x axis y 
axis) 410mm x 257mm
    Identifier: 0x3b
    Timestamp:  7776
    Subpixel:   unknown
    Clones:
    CRTC:       0
    CRTCs:      0 1
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter:
    EDID_DATA:
        00ffffffffffff004c2d250239314148
        211001030e291a878ad7a5a2594a9624
        145054bfef809500950f81808140714f
        0101010101019a29a0d0518422305098
        36009a011100001c000000fd00384b1e
        510e000a202020202020000000fc0053
        796e634d61737465720a2020000000ff
        004853484c3831323030330a202000be
  1440x900 (0x3d)  106.5MHz -HSync +VSync +preferred
        h: width  1440 start 1520 end 1672 total 1904 skew    0 clock   55.9KHz
        v: height  900 start  903 end  909 total  934           clock   59.9Hz
  1280x1024 (0x3e)  135.0MHz +HSync +VSync
        h: width  1280 start 1296 end 1440 total 1688 skew    0 clock   80.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   75.0Hz
  1152x864 (0x3f)  108.0MHz +HSync +VSync
        h: width  1152 start 1216 end 1344 total 1600 skew    0 clock   67.5KHz
        v: height  864 start  865 end  868 total  900           clock   75.0Hz
  1024x768 (0x40)   78.8MHz +HSync +VSync
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock   60.1KHz
        v: height  768 start  769 end  772 total  800           clock   75.1Hz
  1024x768 (0x41)   75.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1328 skew    0 clock   56.5KHz
        v: height  768 start  771 end  777 total  806           clock   70.1Hz
  1024x768 (0x42)   65.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock   48.4KHz
        v: height  768 start  771 end  777 total  806           clock   60.0Hz
  832x624 (0x43)   57.3MHz -HSync -VSync
        h: width   832 start  864 end  928 total 1152 skew    0 clock   49.7KHz
        v: height  624 start  625 end  628 total  667           clock   74.6Hz
  800x600 (0x44)   50.0MHz +HSync +VSync
        h: width   800 start  856 end  976 total 1040 skew    0 clock   48.1KHz
        v: height  600 start  637 end  643 total  666           clock   72.2Hz
  800x600 (0x45)   49.5MHz +HSync +VSync
        h: width   800 start  816 end  896 total 1056 skew    0 clock   46.9KHz
        v: height  600 start  601 end  604 total  625           clock   75.0Hz
  800x600 (0x46)   40.0MHz +HSync +VSync *current
        h: width   800 start  840 end  968 total 1056 skew    0 clock   37.9KHz
        v: height  600 start  601 end  605 total  628           clock   60.3Hz
  800x600 (0x47)   36.0MHz +HSync +VSync
        h: width   800 start  824 end  896 total 1024 skew    0 clock   35.2KHz
        v: height  600 start  601 end  603 total  625           clock   56.2Hz
  640x480 (0x48)   31.5MHz -HSync -VSync
        h: width   640 start  664 end  704 total  832 skew    0 clock   37.9KHz
        v: height  480 start  489 end  491 total  520           clock   72.8Hz
  640x480 (0x49)   31.5MHz -HSync -VSync
        h: width   640 start  656 end  720 total  840 skew    0 clock   37.5KHz
        v: height  480 start  481 end  484 total  500           clock   75.0Hz
  640x480 (0x4a)   30.2MHz -HSync -VSync
        h: width   640 start  704 end  768 total  864 skew    0 clock   35.0KHz
        v: height  480 start  483 end  486 total  525           clock   66.7Hz
  640x480 (0x4b)   25.2MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock   31.5KHz
        v: height  480 start  490 end  492 total  525           clock   60.0Hz
  720x400 (0x4c)   28.3MHz -HSync +VSync
        h: width   720 start  738 end  846 total  900 skew    0 clock   31.5KHz
        v: height  400 start  412 end  414 total  449           clock   70.1Hz
LVDS1 connected 800x600+0+0 (0x46) normal (normal left inverted right x axis y 
axis) 224mm x 126mm
    Identifier: 0x3c
    Timestamp:  7776
    Subpixel:   horizontal rgb
    Clones:
    CRTC:       1
    CRTCs:      1
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter:
    EDID_DATA:
        00ffffffffffff0030e4480200000000
        0013010380160d780a1ee5985a539526
        1c505400000001010101010101010101
        010101010101121b5660500016303020
        3500e07e0000001b0000000000000000
        00000000000000000000000000fe004c
        4720446973706c61790a2020000000fc
        004c503130315748312d544c42340014
    BACKLIGHT: 10 (0x0000000a)  range:  (0,10)
    Backlight: 10 (0x0000000a)  range:  (0,10)
  1366x768 (0x4d)   69.3MHz +HSync -VSync +preferred
        h: width  1366 start 1414 end 1446 total 1462 skew    0 clock   47.4KHz
        v: height  768 start  771 end  776 total  790           clock   60.0Hz
  1360x768 (0x4e)   84.8MHz -HSync +VSync
        h: width  1360 start 1432 end 1568 total 1776 skew    0 clock   47.7KHz
        v: height  768 start  771 end  781 total  798           clock   59.8Hz
  800x600 (0x46)   40.0MHz +HSync +VSync *current
        h: width   800 start  840 end  968 total 1056 skew    0 clock   37.9KHz
        v: height  600 start  601 end  605 total  628           clock   60.3Hz
  640x480 (0x4f)   25.2MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock   31.5KHz
        v: height  480 start  490 end  492 total  525           clock   59.9Hz

$ xrandr -q
Screen 0: minimum 320 x 200, current 800 x 600, maximum 2048 x 2048
VGA1 connected 800x600+0+0 (normal left inverted right x axis y axis) 410mm x 
257mm
   1440x900       59.9 +
   1280x1024      75.0
   1152x864       75.0
   1024x768       75.1     70.1     60.0
   832x624        74.6
   800x600        72.2     75.0     60.3*    56.2
   640x480        72.8     75.0     66.7     60.0
   720x400        70.1
LVDS1 connected 800x600+0+0 (normal left inverted right x axis y axis) 224mm x 
126mm
   1366x768       60.0 +
   1360x768       59.8
   800x600        60.3*
   640x480        59.9
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