Q702: "Ghost Tabs" while using Touchscreen

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Niels Bohr
Posts: 7
Joined: Wed Jul 16, 2008 14:20
Product(s): FSC Stylistic ST 3500
FSC Stylistic ST 3400

Q702: "Ghost Tabs" while using Touchscreen

Postby Niels Bohr » Sat Feb 21, 2015 13:12

Hi,
I have an "little" issue on my Q702 runnin windows 8.1 64-bit.
When I tap on the touch screen "ghost taps" appear on different ohter positions on the screen.
I try to install the new win 8.1 driver (Version 1.0.0.17) from the N-Trig web site, but the issue doesn't disappear. The "ghost taps" disappeared when I calibrate the screen, but they got back, when the Tablet gos in suspend mode or in energy saving mode. Then I have to calibrate it again.
Then I tried to install the old Win7-driver. During the installation the setup canceled with the message, that not N-Trig hardware was found, but the touch screen was running.
Does everyone has the same issue and is there a solution for it?
I don't think that there is a hardware issue, because the touch is working.

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sabrex
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Re: Q702: "Ghost Tabs" while using Touchscreen

Postby sabrex » Sun Feb 22, 2015 0:35

http://support.ts.fujitsu.com/Download/ShowFiles.asp
for w8.1
N-trig DuoSense Multi-touch Package 4.12.3075.19
24.10.2013
and the bit you missed is this:Tools and Utilities - Application - Tools and Utility
TouchPanel Firmware Update Tool for Q702 Windows 8 / Windows 8.1 4.12.3075.22
17.12.2012

Problem should then go away
if you install w7 problem will then occur as you are running the 8 fw and will need to run the same file i think under w7
which is listed as:
TouchPanel Firmware Update Tool for Q702 Windows 7 4.12.3073.13
17.12.2012

Niels Bohr
Posts: 7
Joined: Wed Jul 16, 2008 14:20
Product(s): FSC Stylistic ST 3500
FSC Stylistic ST 3400

Re: Q702: "Ghost Tabs" while using Touchscreen

Postby Niels Bohr » Sun Feb 22, 2015 13:43

Hi Sabrex,

thx for your help.
I tried the way you mentioned. I downloaded the driver and the tool.
When I tried to install the firmware update at first, I got the message that ther was no N-Trig hardwre was found.
This was exactly the same message I got before.
I have to say that I changed the 128 GB SSD to a 256 GB one and the error appeared after the change.

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sabrex
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Re: Q702: "Ghost Tabs" while using Touchscreen

Postby sabrex » Tue Feb 24, 2015 11:01

not sure why its not working for you I know the ntrig sw package and fw version is os dependant.


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