Lenovo Pre-WIN8 system upgraded to Win8.1 to enter system desktop without mouse pointer

Failure phenomenon:

Pre-installed WIN8 system model, in the upgrade Win8.1 system, user password login interface also visible mouse pointer, once into the system desktop that there is no mouse pointer phenomenon, external mouse and Touch board can not control, can only use keyboard operation, restart the system is invalid, system update is invalid.

Reason Analysis:

When you use the original WIN8 system, you may have updated the public version of the graphics driver, the Upgrade 8.1 system will appear this failure.

Solution:

1, the boot into the Win8.1 system desktop, while pressing the Ctrl+alt+del key combination, will appear as the following selection interface, at this time the mouse pointer has been visible.

2, click on the top left corner of the white "back" arrow, back to the system desktop, the mouse pointer is already available (but every time you restart the computer need to perform this operation, the use of very inconvenient)

3, it is recommended to download the Model Service website Graphics driver Reinstall, after installation restart observation.

4, such as the reload video card driver is invalid, you can create a new account log in use.