故障表现如下：

1. 显卡分辨率只支持1024*768，且无法调整
2. 显示效果很差
3. 系统休眠后，无法通过键盘或鼠标唤醒，电源键也无法唤醒，只能重启
4. 系统重启时总提示 “invalid partition table!”, 继续回车才能进入系统。

DELL塔式工作站：

$ hostnamectl
 Static hostname: brian-PC
       Icon name: computer-desktop
         Chassis: desktop 🖥
      Machine ID: df76f4c6bd26446d96b7a83e15be1287
         Boot ID: 313f710f7894477bbc9d40493de54045
Operating System: Deepin 23                   
          Kernel: Linux 6.6.71-amd64-desktop-hwe
    Architecture: x86-64
 Hardware Vendor: Dell Inc.
  Hardware Model: Precision Tower 7910
Firmware Version: A20
   Firmware Date: Wed 2017-07-26
    Firmware Age: 7y 8month 1w  
​

显卡信息如下：

$ lspci -v -s $(lspci | grep -i vga | cut -d' ' -f1)
03:00.0 VGA compatible controller: NVIDIA Corporation GF119 [NVS 315] (rev a1) (prog-if 00 [VGA controller])
        Subsystem: NVIDIA Corporation GF119 [NVS 315]
        Physical Slot: 2
        Flags: bus master, fast devsel, latency 0, IRQ 11, NUMA node 0
        Memory at f2000000 (32-bit, non-prefetchable) [size=16M]
        Memory at e8000000 (64-bit, prefetchable) [size=128M]
        Memory at f0000000 (64-bit, prefetchable) [size=32M]
        I/O ports at 7000 [size=128]
        Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel modules: nvidia

​

但显卡可能没有正确识别，驱动也没有加载到系统中。请查看以下信息：

$ dmesg |grep -i vga
[    0.165004] Console: colour VGA+ 80x25
[    0.380506] pci 0000:03:00.0: vgaarb: setting as boot VGA device
[    0.380506] pci 0000:03:00.0: vgaarb: bridge control possible
[    0.380506] pci 0000:03:00.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[    0.380506] vgaarb: loaded
[   13.723865] snd_hda_intel 0000:03:00.1: Handle vga_switcheroo audio client
​