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JennyFeng-MSFT avatar image
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JennyFeng-MSFT asked saldana-msft edited

Disk utilisation 100%

Hi guys,
so my problem is that the disk utilisation is 100% most of the time. Especially after boot up and whenever I start a program which requires more than about 500 MB RAM. I'm not able to use Visual Studio, Excel and Edge at the same time 'cause the disk usage always jumps to 100%. I already googled as many solution as I could.
Most of the time, ntoskrnl.exe (System process) and MsMpEng.exe (Windows Defender Antimalware Service) cause the high disk usage.

Here is what I've tried so far:
1. disabled some unnecessary services, such as Superfetch and Windows Search
2. turned off taskbar and window animations
3. scanned for malware (I use Windows Defender)
4. reschedule Windows Defender operations in Task Scheduler so it doesn't scan for viruses very frequently


These methods solved the problem for others, but not for me. I'm puzzled. My laptop is not a strong one, but should be enough for home use (browser, Office and developing console applications only). Specifications:

Brand: Lenovo Ideapad 310
OS: Windows 10 Enterprise 64-bit (no longer connected to corporal network)
CPU: Intel Core i5 7500U 2.50 GHz
RAM: 4 GB only, running at 1064 MHz
GPU: Intel HD Graphics 620

I think the high usage can be caused by the OS or by the RAM. As far as I know, Enterprise provides additional security services which become useless if I'm a home user. Usually, 70+ services and 40+ background processes run at the same time. Is that normal? Do I need all of them? What if I downgrade to Win 10 Pro?

Or, which is most likely I guess, the problem is that I only have 4 GB of memory. Should I overclock it to 2133 MHz?
I'm also considering buying an extra 4 GB. Do you think more memory would reduce the disk usage?

Source link: https://social.technet.microsoft.com/Forums/windowsserver/en-US/c5080691-2c32-4b49-8258-8d97aef64dd2/disk-utilisation-100?forum=win10itprohardware

windows-10-hardware-performance
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1 Answer

TeemoTang-MSFT avatar image
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TeemoTang-MSFT answered

Welcome to Microsoft Q&A Platform.

Run chkdsk /f c: to repair logical file system errors on your partition.

Then, your memory is too low for your hardware and software configurations, I search online and find out that Lenovo Ideapad 310 is using a 8GB RAM DDR4-2133 as the standard configuration, why your device only has a 4 GB 1064 MHz? it’s strange.

Your idea is ok, add another 4GB or higher RAM into the laptop, for Windows 10 64-bit system, 8G RAM is recommended.

One more thing, about frequency, don’t worry, for DDR4 (double data rate) RAM, we need to multiply the frequency by two to get the data rate (1064X2=2128).

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