http://blog.mchz.com.cn/?p=8160 http://bbs.51cto.com/thread-1036866-1.html http://www.07net01.com/linux/yigelinuxdenahewenti_67942_1361025048. htm...
Several questions similar to yours, but they are all related to Redhat system
It might be clearer if there are system logs
/var/log/boot.log
/var/log/dmesg
You can see your boot information.
It seems that there should be a problem between the GPU graphics card and the system kernel display driver.
If possible, try disabling independent graphics in BIOS.
If you have upgraded the kernel, change it back to the original system's kernel to start and see if it works normally.
I am currently using Xubuntu 14.04 (Kernel 3.13), the CPU is i5-3230M, and the GPU is Nvidia GT630M.
The driver used for the core graphics card HD4000 built into the i5-3230M is the official Intel i915.ko. that comes with the kernel.
The GT630M driver is nvidia-331 installed by apt-get, and the graphics card switching is nvidia-prime.
Everything is working fine now.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
http://blog.mchz.com.cn/?p=8160
http://bbs.51cto.com/thread-1036866-1.html
http://www.07net01.com/linux/yigelinuxdenahewenti_67942_1361025048. htm...
Several questions similar to yours, but they are all related to Redhat system
It might be clearer if there are system logs
/var/log/boot.log
/var/log/dmesg
You can see your boot information.
It seems that there should be a problem between the GPU graphics card and the system kernel display driver.
If possible, try disabling independent graphics in BIOS.
If you have upgraded the kernel, change it back to the original system's kernel to start and see if it works normally.
I am currently using Xubuntu 14.04 (Kernel 3.13), the CPU is i5-3230M, and the GPU is Nvidia GT630M.
The driver used for the core graphics card HD4000 built into the i5-3230M is the official Intel i915.ko.
that comes with the kernel. The GT630M driver is nvidia-331 installed by apt-get, and the graphics card switching is nvidia-prime.
Everything is working fine now.