unresponsive screen graphics

Karl Auer kauer at biplane.com.au
Sat Jan 28 09:20:35 UTC 2017


On Fri, 2017-01-27 at 21:20 -0800, rikona wrote:
> > Have you power cycled the system?
> I did not turn off the power completely - I assumed that would not
> make a difference.

It does. It absolutely guarantees that RAM no longer holds anything put
there by applications or the operating system, and thus that all
software loaded at boot time is exactly what gets loaded off
disk/network/ROM and is not corrupted (unless the disk/network/ROM
version is corrupted).

The right way to power cycle a system is to request a powerdown through
the OS if possible. When that is complete (or if it's not possible)
turn the system off at it's own power switch, if it has one, then turn
it off at the wall (if the wall socket has a switch - some Euro and US
sockets don't). If you can't turn it off at the wall, remove the power
cable from the computer. If your computer has multiple power
connections, repeat for all. Wait ten seconds, then replace everything,
turn the power on at the wall if necessary, turn the power on at the
computer if possible, the computer should start up.

Regards, K.

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Karl Auer (kauer at biplane.com.au)
http://www.biplane.com.au/kauer
http://twitter.com/kauer389

GPG fingerprint: A52E F6B9 708B 51C4 85E6 1634 0571 ADF9 3C1C 6A3A
Old fingerprint: E00D 64ED 9C6A 8605 21E0 0ED0 EE64 2BEE CBCB C38B






More information about the ubuntu-users mailing list