树莓派 raspberry 4B系统 VNC View 连接 Cannot currently show the desktop 错误解决

2019年7月树莓派已经为4B量身定做了系统,还是要去试一下啦:

建议下载桌面版Raspbian

https://www.raspberrypi.org/downloads/raspbian/

树莓派 raspberry 4B系统 VNC View 连接 Cannot currently show the desktop 错误解决_第1张图片

前期工作是sd卡放入空白的ssh+wpa_supplicant.conf

wpa_supplicant.conf文件内容如下:

country=CN
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
 
network={
ssid="无线网络名称"
psk="无线密码"
key_mgmt=WPA-PSK
priority=1
}

ssh登录后,启用树莓派 VNC 服务

sudo raspi-config

树莓派 raspberry 4B系统 VNC View 连接 Cannot currently show the desktop 错误解决_第2张图片

Interfacing Options -> VNC -> Yes

树莓派 raspberry 4B系统 VNC View 连接 Cannot currently show the desktop 错误解决_第3张图片

树莓派 raspberry 4B系统 VNC View 连接 Cannot currently show the desktop 错误解决_第4张图片

然后重启,用VNC Viewer登录出现这个情况,

树莓派 raspberry 4B系统 VNC View 连接 Cannot currently show the desktop 错误解决_第5张图片

解决办法:changing the resolution to the highest(更改更高的分辨率即可)

ssh下:

sudo raspi-config

树莓派 raspberry 4B系统 VNC View 连接 Cannot currently show the desktop 错误解决_第6张图片

7.Advance option----Resolution---DMT16(不要选default)

树莓派 raspberry 4B系统 VNC View 连接 Cannot currently show the desktop 错误解决_第7张图片

sudo reboot

用VNC Viewer登录即可见到最新的树莓派系统。

 

树莓派 raspberry 4B系统 VNC View 连接 Cannot currently show the desktop 错误解决_第8张图片

 

感觉树莓派表面温度高,想知道树莓派cpu温度

ssh下,方法一

pi@RaspberryPi:~ $ /opt/vc/bin/vcgencmd measure_temp
temp=51.5'C

ssh方法二

pi@RaspberryPi:~ $ cat /sys/class/thermal/thermal_zone0/temp
50464

此处,除以1000,单位是℃。
树莓派 raspberry 4B系统 VNC View 连接 Cannot currently show the desktop 错误解决_第9张图片

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