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Today, I installed Windows 10 build 10240 with a clean install; it was NOT an upgrade. The issue is that it is constantly refreshing, no matter what program you are using. The symptom is that the processor appears to lock up while in the middle of typing a sentence, which takes over the cursor momentarily. What I have done:
- Removed unnecessary startup items and services that might be pulling the processor
- Removed OneDrive from the tray, as it was not yet connected
- Cleared system tray notifications
- Device Manager shows all device drivers are working properly
- DXDIAG shows Display, Sound, and Input drivers with no problems
- Reinstalled input driver from Dell support site
- Windows update has been run and set to Automatic
- Tested on Wireless Internet versus Ethernet
Observation: Wireless does not appear to have this problem.
Have you check whether all your device driver up to date? have you updates your windows? (go to settings and click updates). – Jusup – 2015-09-10T03:25:35.200
Just go to microsoft and get the retail version. – cybernard – 2015-09-10T03:53:06.827