Pitching noise from fan.
- Go to Device Management, under BLUETOOTH double click then go to Power Management untick "allow the computer to turn off this device and save power"
- Cause by Hitachi HD. Replace a new HD. Recommend Samsung HD.
Get black screen on startup
- Uninstall Logitech camera driver and install the latest version. 10.5
CPU Usage 100%
- RAM Broken. Replace a new RAM.
- Go to Device Management, under BLUETOOTH double click then go to Power Management untick "allow the computer to turn off this device and save power"
- Cause by Hitachi HD. Replace a new HD. Recommend Samsung HD.
Get black screen on startup
- Uninstall Logitech camera driver and install the latest version. 10.5
CPU Usage 100%
- RAM Broken. Replace a new RAM.





