how to configure or (reset) display

[Shabbir abbasi <shabbirabbasi92@xxxxxxxxx>]

i have posted a question on
http://unix.stackexchange.com/questions/257310/centos-7-font-problem-unable-to-read-words
,
i am unable to read words in terminal and unable to see correct images,
Dont know if it is wrong config or something else ,  i have updated this
system via ssh  from LAN,  Now i am connected directly  to system  and it
looks very bad ,  can anyone tell me how to fix ?
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