When use wireless connection the status of CPU will be 100% , hang

I'm using laptop  HP 14-r037tu. When I connect network by using wireless connection, my laptop will hang suddenly and , Blue screen with CLOCK_WATCHDOG_TIMEOUT.
But if i use with network cable (LAN), then no problem at all.
I already tried roll back driver, upgrade wifi driver as latest, scan virus, repair system. What should I do now?

Hi there @CJch 
Welcome to the HP Support Forums! It is a great place to find the help you need, both from other users, HP experts and other support personnel.
I understand that you have been getting a Blue screen with the CLOCK_WATCHDOG_TIMEOUT message. I am happy to help with this.
There are a few possibilities you can try, if the drive is readable. First, I would recommend you try to backup any critical data you do not want to lose, if possible.  Have you run any of the BIOS hardware tests on the memory and the hard drive?
Assuming you have the data backed up, then I would start with a System Restore to a point before the problem began.
Using Microsoft System Restore (Windows 8)
If after the restore you are still getting the blue screen, you can try using system recovery to reinstall the factory image. This is why you want the backup, as everything will be overwritten.
Performing an HP System Recovery (Windows 8)
Troubleshooting HP System Recovery Problems (Windows 8)
Let me know if either of those, (hopefully the first one) works for you.
Malygris1
I work on behalf of HP
Please click Accept as Solution if you feel my post solved your issue, it will help others find the solution.
Click Kudos Thumbs Up on the right to say “Thanks” for helping!

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