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Ultranav SK-8845 Windows 10 driver

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ikules
Posts: 1
Joined: Tue Mar 15, 2016 2:11 pm
Location: Zagreb, Croatia

Ultranav SK-8845 Windows 10 driver

#1 Post by ikules » Tue Mar 15, 2016 2:15 pm

Hi,

did anybody managed to find and install drivers for SK-8845 on Windows 10?

My keyboard is working but I cannot make my trackpad and mouse buttons work...

thanks!

micrex22
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Joined: Fri Jan 02, 2015 12:22 am
Location: Vancouver, BC, Canada

Re: Ultranav SK-8845 Windows 10 driver

#2 Post by micrex22 » Mon Apr 04, 2016 2:31 pm

You do know that the SK-8845 is very old and not supported by Lenovo?

Having said that, the SK-8845 can use the synaptics subset in any UltraNav driver released by Lenovo. Try forcing the device to use this driver:
http://support.lenovo.com/ca/en/downloads/ds103454

It is possible to get it working under Windows 8 /8.1 with this driver (if you wish to forgo Windows 10):
http://support.lenovo.com/ca/en/downloads/ds019164

crashnburn
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Posts: 1658
Joined: Sat Apr 22, 2006 4:26 pm
Location: TX, USA & Bombay, India

Re: Ultranav SK-8845 Windows 10 driver

#3 Post by crashnburn » Tue May 31, 2016 11:38 pm

micrex22 wrote:You do know that the SK-8845 is very old and not supported by Lenovo?

Having said that, the SK-8845 can use the synaptics subset in any UltraNav driver released by Lenovo. Try forcing the device to use this driver:
http://support.lenovo.com/ca/en/downloads/ds103454

It is possible to get it working under Windows 8 /8.1 with this driver (if you wish to forgo Windows 10):
http://support.lenovo.com/ca/en/downloads/ds019164
Noted for Win 8.1
T61 8892-02U: 14.1"SXGA+/2.2C2D/4G/XP|Adv Mini Dock|30" Gateway XHD3000 WQXGA via Dual-link DVI
X61T 7767-96U: 12.1"SXGA+/1.6C2D/3G/Vista|Ultrabase
W510 4319-2PU: 15.6"FHD/i7-720QM/4G/Win7Pro64 (for dad)
T43 1875-DLU: 14.1"XGA/1.7PM-740/1G/XP (Old)

emonect
Posts: 8
Joined: Tue Feb 28, 2017 5:14 pm
Location: Freiburg, Germany

Re: Ultranav SK-8845 Windows 10 driver

#4 Post by emonect » Tue Feb 28, 2017 5:20 pm

ikules wrote:Hi,

did anybody managed to find and install drivers for SK-8845 on Windows 10?

My keyboard is working but I cannot make my trackpad and mouse buttons work...

thanks!
I got a driver working but the "UltraNav"-tab with the trackpoint specific settings is still missing.
My problem is that my movements with the trackpoint feels too slow for me. I am used to set it to VERY sensitive. This isn't possible without the UltraNav settings.

Or is there a workaround? Maybe someone knows a software which can boost the normal mouse speed which also would help very much.
I searched the whole internet but couldn't find any solution.
Help would be much appreciated.

Edit:
The strange thing is that the trackpoint of my USB Keyboard works perfect if attached to my Thinkpad W500 with Windows 10 installed on it.
I can see my Synaptics Driver v16.2.19.7 and i can see a TouchStyk V1.13 USB device which i then can configure to the speed i want.
But how can i install this same driver on my normal PC? Very confusing ...

Edit2:
FOUND A SOLUTION!!!
Check this site - you can edit the mouse sensitivy curve in the registry:
http://translate.google.pl/translate?sl ... 2Fmouse%2F
Simply download a reg-fiile and execute it! Then restart computer! "Inclination 90.reg" worked fine for me!!

Edit3:
Even better solution for me is using "Multiple_2.reg" and reducing the speed in the normal mouse control panel to 80%!!!
(May help others with the same problem)

Edit4:
Still not god enough - had to fix my values manually. Here this works for me quite good:
[HKEY_CURRENT_USER\Control Panel\Mouse]
"SmoothMouseXCurve"=hex:\
00,00,00,00,00,00,00,00,\
15,6e,00,00,00,00,00,00,\
00,40,02,00,00,00,00,00,\
39,dc,05,00,00,00,00,00,\
00,00,10,00,00,00,00,00
"SmoothMouseYCurve"=hex:\
00,00,00,00,00,00,00,00,\
b8,5e,01,00,00,00,00,00,\
cd,4c,15,00,00,00,00,00,\
ff,4c,88,00,00,00,00,00,\
00,00,38,02,00,00,00,00

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