Welcome aboard.
Both your dumps say it is Stop 0x0A, probably caused by ntkrnlmp.exe .
Code:
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* *
* Bugcheck Analysis *
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Use !analyze -v to get detailed debugging information.
BugCheck A, {0, 2, 0, fffff80002ef7174}
Probably caused by : ntkrnlmp.exe ( nt!KiPageFault+260 )
Followup: MachineOwner
--------- Stop 0x0A occurs by various reasons like Kernel mode driver, System Service, BIOS, Windows, Virus scanner, Backup tool, compatibility. But ntkrnlmp.exe cannot be the cause of the crash, actually it is crashing on that kernel.
► Your BIOS is up to date, so we may leave it.
Code:
BIOS Version/Date INSYDE R2087H4, 6/15/2012
► Your Antivirus is NIS. Which is a well known cause of crashes. as a test, you may uninstall it, and install
Microsoft Security Essentials - Free Antivirus for Windows, to see it the crashes are continuing or not.
► Your Realtek Audio and Ethernet driver, both are somehow old, you should try to update those.
► As it is alos caused by drivers, you should
Enable Driver Verifier.
Run driver verifier for 24 hours or the next crash which happens earlier. Then disable it, and inform us the total results.
Best of luck.