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Recently I have installed Ubuntu 16.04 on dual boot with Windows 10.

I was having the flickering screen problem but I have partially solved it (sometimes it flickers) by following this previous answer.

However the issue I am facing now is that on clicking shutdown, although it does shuts down, before the Ubuntu logo is displayed this particular screen appears

enter image description here

As you can see, it prints multiple lines of:

[[5~^[[5~^[[5~^...

I haven't found anything regarding this type of error in the Internet.So can anyone describe what cause of this error is, and how to fix it?

closed as off-topic by pomsky, Videonauth, waltinator, Volker Siegel, David Foerster Oct 27 '17 at 21:50

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This describes a problem that can't be reproduced that seemingly went away on its own or was only relevant to a very specific period of time. It's off-topic as it's unlikely to help future readers." – pomsky, Videonauth, waltinator, Volker Siegel, David Foerster
If this question can be reworded to fit the rules in the help center, please edit the question.

  • 1
    Bad keyboard, keyboard connection, keyboard cable. Repeated "ESC [ 5 -" strings. – waltinator Oct 27 '17 at 19:03
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I have the same problem, but mine displays ~*[[3. In order to prevent this, I press ESC multiple times from the moment the system is booted (after pressing the power button). This stops the ~*[[3's from appearing.

Sometimes if you press the ESC while the machine is booting, it will take you into the BIOS or similar settings. If this happens to you, just press ESC as soon as Ubuntu starts to load.

  • I generally press Ctrl+Alt+F1 which ultimately takes me to the login screen.The thing is that I wanted to know why this happens. – Sourajit Mar 4 '17 at 3:55
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It was occurring because of my faulty keyboard.The Page Up button of my laptop keyboard was getting pressed automatically and continued to do so until I pressed the Page Down button.I don't know the name of the representation type,where Page Down is represented using [[6~^ and Page Up using [[5~^.If anyone knows what it is ,kindly add that in the comment section.
Further If you want to check whether any key in your keyboard is faulty or not,you can check here Keyboard Check

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