Window explorer stopped working and black screen

Ask a question Law - Latest answer on Oct 17, 2016 06:59AM
I'm using Compaq Presario CQ40. The above condition happened after i was using the laptop normally for more than 1 hour. After that, I tried a lot of techniques recommended online such as sfc scan, registry editor, startup recovery, etc. however, it doesn't work and it made the situation worse where the my chrome and firefox cannot access to internet and only internet explorer can access internet now. Can someone helps? Thanks in advance:)
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What version of Windows are you using?

I suggest you restore the computer to a date and time before your problems.

Good Luck
Law- Oct 17, 2016 06:59AM
I couldn't restore because I have no backup before
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