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#1 2017-06-22 16:42:01

ndttt
Member
Registered: 2017-03-19
Posts: 38

^@^@^@^@^@^@^@^@^@^@^@^ on screen when rebooting

When rebooting, when it starts shutting down is '^@^@^@^@^@^@^@^@^@^@^@^'

Sometimes it's a lot of them, sometimes it isn't.

Should I be worried?

I'm running Arch with Gnome. Sorry, but I can't search symbols so it's a bit hard for me to figure out myself what's going on..

Last edited by ndttt (2017-06-22 16:44:06)

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#2 2017-06-22 21:45:20

R00KIE
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From: Between a computer and a chair
Registered: 2008-09-14
Posts: 4,734

Re: ^@^@^@^@^@^@^@^@^@^@^@^ on screen when rebooting

That looks like keyboard input. Is the machine a laptop or desktop? If desktop try to unplug the keyboard before rebooting and see if you still get the same problem.


R00KIE
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#3 2017-06-22 21:54:47

ndttt
Member
Registered: 2017-03-19
Posts: 38

Re: ^@^@^@^@^@^@^@^@^@^@^@^ on screen when rebooting

That's what I thought the first few times as well, but it's on my laptop and even without any devices connected, it shows up when rebooting.

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#4 2017-06-23 11:53:45

R00KIE
Forum Fellow
From: Between a computer and a chair
Registered: 2008-09-14
Posts: 4,734

Re: ^@^@^@^@^@^@^@^@^@^@^@^ on screen when rebooting

You could try switching to a tty and check if you see the same thing. It might indicate a possible hardware problem or maybe it's some acpi event/key that does not interfere with gui programs or DE but it will register on a tty and show garbage.


R00KIE
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#5 2017-06-24 06:15:56

rpgcyco
Member
From: Australia
Registered: 2005-09-27
Posts: 74

Re: ^@^@^@^@^@^@^@^@^@^@^@^ on screen when rebooting

I've noticed this happening on occasion as well. If I switch to another TTY it spams there as well. I haven't been able to figure out what it is yet, but next time I notice it happening, I'm going to unplug my keyboard and see what happens. smile

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#6 2017-06-24 06:49:48

seth
Member
Registered: 2012-09-03
Posts: 50,012

Re: ^@^@^@^@^@^@^@^@^@^@^@^ on screen when rebooting

Just a hunch: Count them. Close the lid. Open the lid. Count them again.
Hint: A ruler is faster than counting ;-)

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#7 2017-06-24 18:06:27

TheSgtBilko
Member
Registered: 2013-08-13
Posts: 87

Re: ^@^@^@^@^@^@^@^@^@^@^@^ on screen when rebooting

I have the same "issue" on my laptop (HP Spectre x360 booting EFI).
I never found any way of getting rid of it. It doesn't seem to do anything harmful, except for the annoyance having to wait for it.

The closest to an answer/explanation I've seen is:
https://wiki.archlinux.org/index.php/HP … 1ng#Issues

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