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30 Posts

09-07-2009

Minnesota, USA

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helix rear camera very slow

2013-12-01, 0:22 AM

I have the thinkpad helix for two months.  The front facing camera works fine, but rear facing camera is very slow: focus slow, and if move the camera a little, picture refreshes very very slow.

 

I thought this was the problem of driver, so I updated to the latest driver yesterday. However, the problem is still there.

 

This makes the camera useless.

 

Do you also have this problem? Is this a hardware or software problem? How to fix this? Thanks!

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39 Posts

07-01-2013

United States of America

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Re: helix rear camera very slow

2013-12-08, 22:26 PM

@Steadycookie: I had this same problem when I turned on ’Camera Plus" in the Lenovo Settings app. Check this setting, if it is on, turn it off (requires reboot). Thia fixed it for me.

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1220 Posts

12-24-2010

Perth, Australia

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Re: helix rear camera very slow

2013-12-01, 0:29 AM

Hi steadycookie,

 

My camera works fine. And never hada problem with it with any drivers.

I would guess faulty hardware in your case.

 

Vince.

__________________________________________________________________________________

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information on it.


ThinkPad T510 4313-CTO Windows 8 x64 - Intel Core i7-620M - NVIDIA NVS 3100M - 8GB RAM - 240GB SSD- Intel Centrino Ultimate-N 6300 - Gobi 2000.
ThinkPad Helix 3697-CTO Windows 8.1 x64 - Intel Core i7-3667U - Intel HD Graphics 4000 - 8GB RAM- 256GB SSD - Intel Centrino Advanced-N 6205 - Ericsson C5621gw

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30 Posts

09-07-2009

Minnesota, USA

104 Signins

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  • Posts: 30
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Re: helix rear camera very slow

2013-12-01, 5:22 AM

Thanks for confirming.  Then I have to contact the customer support.

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39 Posts

07-01-2013

United States of America

104 Signins

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  • Posts: 39
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Re: helix rear camera very slow

2013-12-08, 22:26 PM

@Steadycookie: I had this same problem when I turned on ’Camera Plus" in the Lenovo Settings app. Check this setting, if it is on, turn it off (requires reboot). Thia fixed it for me.

0 person found this solution to be helpful.

This helped me too

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30 Posts

09-07-2009

Minnesota, USA

104 Signins

601 Page Views

  • Posts: 30
  • Registered: ‎09-07-2009
  • Location: Minnesota, USA
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  • Message 5 of 9

Re: helix rear camera very slow

2013-12-09, 6:00 AM

wrote:

: I had this same problem when I turned on ’Camera Plus" in the Lenovo Settings app. Check this setting, if it is on, turn it off (requires reboot). Thia fixed it for me.


Thanks! It worked! In fact, I have not contact lenovo support, and then this will save me a lot of time talking with Lenovo rep.

 

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9 Posts

08-16-2013

San Francisco

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  • Message 6 of 9

Re: helix rear camera very slow

2014-05-07, 21:06 PM

I had the same problem with the slow moving image and slow focusing rear camera suddenly come up in the last month after owning the Helix since late last summer.  Disabled camera plus in the lenovo settings app as mentioned here and the camera is working fine again.

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28 Posts

04-24-2010

Prague, Czech Republic

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Re: helix rear camera very slow

2014-05-20, 8:45 AM

I have the same problem, but I do not have any Camera Plus switch in Rear camera settings. It is only available in front camera settings, but it is switched off anyway.

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24 Posts

04-25-2014

germany

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  • Message 8 of 9

Re: helix rear camera very slow

2014-05-20, 12:01 PM

excactly the same to me. rear camera (if I use the 4:3-5M: Camera-Option instead of 16:9 2,1 M-Camera) it's so slow, you can't work. 16:9 is slow enough.

 

I think very interesting: if you start the app "skitch" and use the camera -> it works very fast ...

with the "normal" camera app or onenote-app it works very very slow.

 

I don't understand the circumstanding ...

 

some weeks ago there was an update from micrsoft -> another driver was installed and the speed was pretty good, but there was an issue, you couldn't do a foto ...

I didn't find a newer driver for the camera - it's the driver form microsoft 2006 usb-verbundgerät - the newer driver from lenovo only replace the driver for the front camera but not for the rear camera - look at https://forums.lenovo.com/t5/X-Series-Tablet-ThinkPad-Laptops/helix-rear-camera-driverinstallation-failed/td-p/1565518

 

kind regards

Dieter

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28 Posts

04-24-2010

Prague, Czech Republic

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  • Message 9 of 9

Re: helix rear camera very slow

2014-05-20, 14:22 PM

My installed driver is also the Microsoft's generic one from 2006. I have found that there is folder with the new driver files in C:\Program Files (x86)\FNet\Cam\x64, there are also registration keys in registry with these files, but actual driver files visible in device manager are different from AitUVCExtApi.dll and VirtualCam.ax.

These are: ksthunk.sys and usbvideo.sys located in C:\WINDOWS\system32\drivers

If I trigger the installation in non silent mode, than it says that the installation went OK, but the driver remains the same.

 

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