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I have Raspberry 2 B, installed the Raspbian image . Everything was good. However, when I ran
sudo apt-get upgrade
it took about 50minues, and after reboot, i have blank screen with blinking horizontal cursor. I can SSH and work commands, but no GUI.
Can anyone tell me why this is happening, how to avoid it, and possibly shed some information on this matter?
If none of those other options work, and you don't have any important files, you could always reformat the sd card and download a new version of raspian on it. However, I would only do this as a last resort if nothing else is working. You could also try and back up whatever you have left before you do this.
sudo apt-get upgrade i end up in the darkness...
I just figured it out. I was trying to do sudo apt-get upgrade over WiFi dongle. However, the WiFi dongle didn't have good connection and things were dropping and apparently files were missing or were badly downloaded and as a result the os broke every time.
Also, my card was 16 GB, but the image was for 4 GB, so I had to expand the partition to take all the space (I saw somewhere errors for space too)
I connected it through Ethernet, ran again and everything was good.
apt-get updateandapt-get upgradeagain (which should be much faster).