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iMac 21.5 late 2012 extremely slow on windows 1...

Hello everybody!

I have an iMac Late 2012, Core i5 2.9GHz, Nvidia GeForce 650M and 1TB HDD with 5400rpm edition, and I'm having a really annoying problem with Windows via Boot Camp right now.

Windows 10 was functioning always with a 100% of the HDD usage, making it unusable. I've tried everything I found to fix it... from disabling some hdd drivers (intel controller) to disabling Windows Defender, Superfetch, etc. Got nothing. Then, I installed Windows 7 with SP1 on it and same thing happened!!

At this point I assumed the HDD was failing, so I downloaded CrystalDiskInfo and CrystalDiskMark. S.M.A.R.T status was fine, but got speeds of 30-40MB/s, which I believe them are REALLY slow. The thing, though, is that I tested this again in macOS Sierra with Disk Sensei, giving me speeds of 100MB/s more or less and, for your knowledge, via macOS this computer is working fine right now.

Anyone experiencing this as well? Please Help!!

最后更新：2017-10-05 09:43:01

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