No, HDD is fine. You really should run this command though:
chkdsk /r C:
Do that for each drive letter on the system, changing C to match them with each run.
Make sure you use the /r switch as shown.
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Post a screen shot of CPU-Z memory and spd tabs. The RAM is likely set unwell in the bios or defective.
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Update Realtek lan driver:
Rt64win7 Rt64win7.sys Wed Jun 23 05:10:45 2010
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Visit motherboard site and update NEC USB 3.0 driver:
Link Removed
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Also, you really should uninstall all Razer software and use different hardware all together. That 2005 Razer driver is notorious.
Razerlow Razerlow.sys Mon Nov 07 01:33:11 2005