10-29-2013 12:17 PM - last edited on 10-29-2013 12:20 PM by andyP
hi, sorry about my english first.
I bought new lenovo ideapad Z400 touch 2 month ago with win8.
last week i upgraded to win 8.1 and recover back to win 8 , since then i have some problems.
When I have the Task Manager open, I sometimes notice the disk usage climbing to 50, 75, or 100 percent, even though there's scarcely any disk activity going on, the laptop's fan is working hard and very noisy and , my proccesor speed is jump high without any progrems on.
I tried almost anything, cheacked for viruses, disable al unneccesry startup progrems, clean boot, buy it still the same.
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11-30-2019 05:11 PM
From googling high disk usage and cpu usage it appears to be a common problem after the last windows upgrade. From what I've read microsoft claims it is a driver problem and don't say what drivers cause the problem. There are several suggested fixes if you google it but so far none have worked for me. I can't believe microsoft hasn't rolled back the part of the update causing the problem. Everything was working fine before the update.