我想将屏幕分辨率更改为更高的值，以下是我尝试过的：
1-
$ cvt 1280 1024
# 1280x1024 59.89 Hz (CVT 1.31M4) hsync: 63.67 kHz; pclk: 109.00 MHz
Modeline "1280x1024_60.00" 109.00 1280 1368 1496 1712 1024 1027 1034 1063 -hsync +vsync
$ sudo xrandr --newmode "1280x1024_60.00" 109.00 1280 1368 1496 1712 1024 1027 1034 1063 -hsync +vsync
xrandr: Failed to get size of gamma for output default
$ xrandr --addmode default "1280x1024_60.00"
xrandr: Failed to get size of gamma for output default
$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 800 x 600, current 800 x 600, maximum 800 x 600
default connected primary 800x600+0+0 0mm x 0mm
800x600 75.00*
1280x1024_60.00 59.89
$ xrandr --output default --mode "1280x1024_60.00"
xrandr: Failed to get size of gamma for output default
xrandr: Configure crtc 0 failed
2- 此处接受答案：如何提高控制台模式分辨率？
以下是有关系统的更多信息：
$ sudo hwinfo --framebuffer
02: None 00.0: 11001 VESA Framebuffer
[Created at bios.459]
Unique ID: rdCR.Zgkzt5gj_l5
Hardware Class: framebuffer
Model: "XGI Volari Z11"
Vendor: "XGI Technology, Inc."
Device: "Volari Z11"
SubVendor: "XGI"
SubDevice:
Revision: "1.11.05"
Memory Size: 32 MB
Memory Range: 0xf4000000-0xf5ffffff (rw)
Mode 0x0302: 800x600 (+100), 4 bits
Mode 0x0300: 640x400 (+640), 8 bits
Mode 0x0301: 640x480 (+640), 8 bits
Mode 0x0303: 800x600 (+800), 8 bits
Mode 0x0304: 1024x768 (+128), 4 bits
Mode 0x0305: 1024x768 (+1024), 8 bits
Mode 0x0307: 1280x1024 (+1280), 8 bits
Mode 0x0330: 1600x1200 (+1600), 8 bits
Mode 0x0331: 1600x1200 (+3200), 16 bits
Mode 0x030d: 320x200 (+640), 15 bits
Mode 0x030e: 320x200 (+640), 16 bits
Mode 0x0310: 640x480 (+1280), 15 bits
Mode 0x0311: 640x480 (+1280), 16 bits
Mode 0x0313: 800x600 (+1600), 15 bits
Mode 0x0314: 800x600 (+1600), 16 bits
Mode 0x0316: 1024x768 (+2048), 15 bits
Mode 0x0317: 1024x768 (+2048), 16 bits
Mode 0x0319: 1280x1024 (+2560), 15 bits
Mode 0x031a: 1280x1024 (+2560), 16 bits
Mode 0x0332: 320x240 (+320), 8 bits
Mode 0x0333: 400x300 (+400), 8 bits
Mode 0x0334: 512x384 (+512), 8 bits
Mode 0x0335: 320x240 (+640), 16 bits
Mode 0x0336: 400x300 (+800), 16 bits
Mode 0x0337: 512x384 (+1024), 16 bits
Mode 0x0338: 320x200 (+320), 8 bits
Mode 0x0339: 640x400 (+1280), 16 bits
Mode 0x0312: 640x480 (+2560), 24 bits
Mode 0x0315: 800x600 (+3200), 24 bits
Mode 0x0318: 1024x768 (+4096), 24 bits
Mode 0x031b: 1280x1024 (+5120), 24 bits
Mode 0x033f: 1920x1440 (+1920), 8 bits
Mode 0x0340: 1920x1440 (+3840), 16 bits
Config Status: cfg=new, avail=yes, need=no, active=unknown
$ sudo hwinfo--monitor
112: None 00.0: 10000 Monitor
[Created at fb.71]
Unique ID: rdCR.EY_qmtb9YY0
Hardware Class: monitor
Model: "Generic Monitor"
Vendor: "Generic"
Device: "Monitor"
Resolution: 800x600@75Hz
Year of Manufacture: 0
Week of Manufacture: 0
Driver Info #0:
Max. Resolution: 800x600
Vert. Sync Range: 50-90 Hz
Hor. Sync Range: 31-48 kHz
Config Status: cfg=new, avail=yes, need=no, active=unknown
$ xrandr | grep 最大值
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 800 x 600, current 800 x 600, maximum 800 x 600
$ sudo lshw
*-display UNCLAIMED
description: VGA compatible controller
product: Z11/Z11M
vendor: XGI Technology Inc. (eXtreme Graphics Innovation)
physical id: 0
bus info: pci@0000:11:00.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: vga_controller cap_list
configuration: latency=0
resources: memory:f4000000-f7ffffff memory:fbd00000-fbd3ffff ioport:d000(size=128) memory:c0000-dffff
$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 800 x 600, current 800 x 600, maximum 800 x 600
default connected primary 800x600+0+0 0mm x 0mm
800x600 75.00*
1280x1024_60.00 (0x272) 109.000MHz -HSync +VSync
h: width 1280 start 1368 end 1496 total 1712 skew 0 clock 63.67KHz
v: height 1024 start 1027 end 1034 total 1063 clock 59.89Hz