To Fix Internet speed in windows 8
- Log on to Windows 8 computer with the account that has the elevated privileges.
- Click Desktop tile from the Start screen to go to the desktop window.
- Once on the desktop screen, hover the mouse to the bottom right corner of the window.
- From the displayed options, click Search.
- On the opened Search pane in the right, ensure that Apps category.
- On the same pane, type CMD in Apps field.
- From the displayed results on Apps window, right-click Command Prompt.
- From the displayed advanced options at the bottom of the window, click Run as administrator.
- On the displayed User Account Control box, click Yes to provide the administrator approval to open the command prompt with the elevated privileges.
- On command prompt window, type IPCONFIG/FLUSHDNS command and press Enter to delete the DNS Cache.
- Close the command prompt window when done.
Create temporary file from Temp Folder
- Log on to Windows 8 computer with the account that has the elevated privileges.
- Click Desktop tile from the Start screen to go to the desktop window.
- Once on the desktop screen, press Windows + R keys simultaneously to initiate the Runcommand box.
- On the Run command box, type %TEMP% in the available field and press Enter.
- On the opened Temp window, press CTRL + A keys simultaneously to select all the files.
- Once selected, press Delete to remove all the temporary files.
- Close Temp window when done.
To fix unknown USB device
- Log on to Windows 8 computer with the administrator account.
- Make sure that the computer is connected with an active Internet connection.
- Click Desktop tile from the Start screen to go to the desktop window.
- Once on the desktop screen, hover mouse to the bottom right corner of the window.
- From the displayed options, click Settings.
- On the Settings panel, click Control Panel.
- On the opened Control Panel window, click Hardware and Sound.
- On Hardware and Sound window, click Device Manager under Devices and Printers category from the right pane.
- On Device Manager window, expand the Universal Serial Bus controllers category.
- Once expanded, right-click the USB controller that is to be updated.
- From the context menu that appears, click Update Driver Software to update the driver of the selected USB controller.
- On the displayed box, click Search automatically for updated driver software to make the Windows to search for the updated driver from the Internet.
- Wait till the selected driver gets updated from the Internet and on the next page, click Close.
- Close Device Manager window, when done.