ThinkPad Helix: the mouse cursor stays on the touch screen and there are small squares or illusory circles around it.

Fault symptom:

You can see that the mouse cursor stays on the touch screen and there is a small square or an illusory circle around it.

Solution:

Affected model: ThinkPad Helix (Type 3xxx)

Affected systems: Microsoft Windows 8

Solution:

Download and install firmware updates for the touch screen: https://support.lenovo.com/us/zh/olddownloads/ds037644

How to disable Touch screen:

1. Open the Control Panel (Windows key + X, and then select Control Panel );

2. Select Device Management from the list;

3. Click "enter devices in human style" and expand the list;

4. Click the touch screen Drive (note: If multiple drives exist, temporarily unplug the wireless mouse receiver or other USB input devices );

5. Right-click disabled;

6. Click "yes" in the dialog box to disable the touch screen drive.