Recognition of Picoscope 4425 fails in Windows 7

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Recognition of Picoscope 4425 fails in Windows 7

Postby asim » Sat Sep 30, 2017 12:32 am

Hi,

I am using the Picoscope 4425 with the Picoscope 6 Automotive software version: 6.12.7.2724.

Normally I am using a virtual machine but since I couldn't get the Picoscope recognized anymorewithin my virtual machine I grabbed my windows 7 pro 64 bit laptop and installed Picoscope 6 Automotive on the laptop.

Despite the fact that my laptop is a "pure" windows laptop I also didn't managed to get the picoscope up and running.

What happens is the following:
[1] I start up windows
[2] I plug the Picoscope 4425 in the usb-port
[3] The picoscope gets recognized properly by windows. As you can see it shows up in the device manager:
1_pico_goed_herkend.png

2_pico_goed_herkend.png

[4] As soon as I start the Picoscope 6 Automotive software I hear the unloading of a USB device while almost on the same time the software says that no suitable device is found:
3_niet_herkend_in_pico_software.png

[5] When I check the device manager after [4] the Picoscope doesn't show up in the device manager list:
4_uit_device_manager.png


So for some reason the "recognized" Picoscope gets unloaded as soon as the Pico automotive software is loaded resulting in the software not finding a suitable instrument.

Do you know how I can resolve this issue.

What I did so far:
-> reinstalled the software with the repair option
-> rebooted my windows pc several times
-> performed all the above as a "Windows"-administrator

Best regards,

Asim
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Re: Recognition of Picoscope 4425 fails in Windows 7

Postby Martyn » Sat Sep 30, 2017 8:11 am

Sounds like there isn't enough power being supplied to the unit, from the USB port.

Are you still using the blue USB cable supplied with the unit ?
Check the USB ports, and cable for signs of damage.
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Re: Recognition of Picoscope 4425 fails in Windows 7

Postby Technician » Sat Sep 30, 2017 2:47 pm

Asim,

It's got to be something and nothing causing your problem, I'm using Windows 7 Pro and 64 bit like you and the scope runs OK on my computer using Pico software automotive as you listed.
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Re: Recognition of Picoscope 4425 fails in Windows 7

Postby Autonerdz » Sat Sep 30, 2017 4:25 pm

We had never seen anything like that before last week. Have a customer with this exact scenario now. But in this case, only the USB 3.0 port is affected. His 2.0 ports are working just fine. This is an Acer Win 7 pro 64 with good resources.

My first thought was what Martyn mentioned that there is a lack of sufficient USB power. The customer was not wanting to spend more time chasing this but if we had something else to go on I could probably talk him into it.

Just curious if other USB ports have been tried.

Anyway... Following with interest....
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Re: Recognition of Picoscope 4425 fails in Windows 7

Postby Technician » Sat Sep 30, 2017 6:05 pm

Asim,

You could put a booster on your USB port to see if that helps.
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Re: Recognition of Picoscope 4425 fails in Windows 7

Postby liviu2004 » Sun Oct 01, 2017 12:49 am

Asim, if you are fron NL or BE, why don’t you come along, we can try swap laptops and scope and do some research what works where. I have the same scope, win 7 x64, vista x32.
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