I just put Ubuntu 15.04 on a flash drive using pendrivelinux, and when attempting to install it on my computer, it asks for a username and password. What is the default username and password? I haven't been able to find it anywhere on the web. Thanks!
3 Answers
If it looks like this:

It's asking you to chose your own password. Go for one at lwast 10 characters, (12 is better) that you don't use elsewhere, and has a mix of uppercase (A-Z), lowercase (a-z), numbers (0-9) and punctuation (!"£$%^&*()-=_+{}[]:@~;'#<>?,./¬|\).
If it looks like this:

The username is ubuntu and there is no password (just press enter when it asks).
Screenshots made with Oracle VM Virtualbox.
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I had the same problem. I used a PC with i5-CPU, 64bit, 8GB RAM , a NVIDIA GeForce GTX750 video card, and three monitors. After many hours of testing different situations, I took the basic equipment.
Only the computer with ONLY ONE MONITOR. And you cannot imagine, the installation worked normally. I could define new USER and new PW by myself. I installed Ubuntu 15.10 and then looked for drivers for GTX750, installed und updated the driver and connected three monitors .
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- Open Terminal
sudo supasswd- type desired password twice
- change with Ctrl+Alt+F1 to tty1
- Login
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