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SOLVED - Can't connect phone to laptop for file transfer

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Boggin:
Does your phone show up in Devices and Printers as an icon that you can right click on and select Troubleshoot ?

The fact that you are getting the same problem on the laptop now would suggest that the fault is with the phone.

When you get you already have the latest driver message, you can select Update Driver Software again but then select Browse my computer - Let me pick..

It may take you straight to the driver store window for that device or you may have to scroll down and select the applicable section.

Click on the driver in the store then on Next where the driver will be reinstalled.

Tone111:
Think you might be confused here Boggin (or I am!  :tongue: ), but how do you conclude "The fact that you are getting the same problem on the laptop now would suggest that the fault is with the phone"? Both phones connect fine to my W7 desktop so surely the issue must lie with the laptop?!  At least that's my deduction...

Anyway the phones do both show in Devices & Printers - the older LT26i (Xperia S) shows under Devices and the newer C6903 Xperia Z under Unspecified. On right clicking both show a yellow Troubleshooting triangle but on diagnosing both said they couldn't identify the problem!   :rolleyes:

The 'latest driver' message was when I tried to update the yellow icon in the USB tree, but that disappeared when I uninstalled the C6903 driver and when it reinstalled that triangle had gone. What I have since discovered is that one of the 3 USB ports on my laptop is dead - neither phone or my mouse work when plugged into it, however on the other 2 the mouse is fine and the old phone charges but the new one doesn't, and neither show in file explorer (though they both do in Devices & Printers). That yellow triangle in USBs only shows up when I plug anything into this 'dead' port. I followed your instructions anyway and it errored with the now familiar 'The data is invalid' message (attached)

So I'm not sure where that leaves us as neither phone will connect fully to allow file transfer and none of the troubleshooters seem able to resolve the driver issues or even identify the problem...  :blank:

Boggin:
Sorry - was getting confused.

I'm not familiar with Win 8.1 but in Win 10 there's a System Devices section in Device Manager.

Do you have that in Win 8.1

If you do, check for yellow alerts and/or right click on each and select Update Driver Software to see if Windows finds anything - that section can include Chipset drivers.

However, as one USB port has gone down then there could be other motherboard problems which is the cause as it affects both phones.

I'm not sure if Event Viewer will have recorded anything that will be useful, but have a look.

I'm also not sure if msinfo32 will tell you anything that you don't already know in that an USB port has gone down, but if you got Start - type msinfo32 and press enter then expand Components/Problem Devices to see what that comes up with.

Tone111:
No problem - I often do as well!  :cheesy:

Yes there is a System Devices branch in devman (8.1 is quite similar to 10 but I don't really bother with the apps and use Classic Shell to make it more like 7!), but everything is fine - as I mentioned earlier the only yellow triangles in the whole of the tree were under Other Devices (and the one in USBs when I plug into the dead port)

msinfo 32 is empty under Components/Problem Devices so nothing to report there. Which bit of Event Viewer do I look in, and what am I looking for?? (attached) - there are several areas to search in and I don't know which key words to search for as the Event log is Huge!!

Boggin:
With Event Viewer (Local) highlighted, click on Errors then on View All Instances of This Event in the lower right pane and look for time stamped errors when you were trying the phones.

There may be something in System under Windows Logs and Hardware Events under Applications and Services.

Did you have any of the phones plugged in when you checked msinfo32 ?

I don't know if this will have any effect but with the phone unplugged, shutdown then plug it in and reboot to see if you still get the alerts in Device Manager.

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