Clean the screen with a clean soft cotton cloth is the step #1
SEE FULL instruction HERE
Calibrate the touch screen
command buttons and fields are displayed on the screen image at
specific pixel points. To initiate a response, the touch screen
interface needs to recognize exactly where a fingertip or pen touches
the screen relative to the pixel position of the display. Each user has
a slightly different hand-eye coordination response. Calibrating the
touch screen allows the interface to compensate between where the
program is expecting a touch and where the touch actually occurs.
To calibrate the touch screen, place the tablet notebook in the desired orientation and do the following actions.
Click or tap Start > Control Panel > Tablet PC Settings
to open the Table PC Settings window.
On the General tab, select the option to display the menus in either the Right-handed
On the General tab, select the desired screen orientation
from the drop-down menu, and click or tap Calibrate
. Follow the instruction to touch the screen at the specified points.
Repeat this calibration action for all four of the screen orientations, then click or tap Apply
On the Handwriting Recognition tab, select the Use the handwriting personalization
At a later time, you can return to review the Go to Pen and Input Devices
and Go to Input Panel Settings
options to make using the touch screen to control programs and input text easier and more accurate.
Compare your version of the firmware to the latest one at HP offical site HERE
Always get the latest firmware to avoid problem.
Always keep the screen clean!