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Nexus 7 2012 Tablet will not connect to pc

Ok, so a little more detail into this. My Nexus 7 2012 is still going strong. It's been locked away and unused for awhile due to being on Android 5.1.1 but I finally decided to resurrect it. I plug it into the PC, and every 2-4 seconds it connects and disconnects from the PC with a "Last usb device plugged in not recognized" error.

I have tried 3 different usb cables

Tried playing with MTP options

Tried different usb ports

Tried a cache wipe

Replaced the nexus charge port

Even in recovery/ADB mode it does the same thing.

However it charges just fine.

Any ideas? It's been a pain for 2 weeks now.

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I'm suspecting a usb driver issue if you're using a Windows operating system. What operating system is your computer running?

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I've tried on 3 windows 10 PC's aswell as a windows 7 one. Also tried uninstalling and reinstalling drivers on all platforms using nexus root toolkit

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Try to open the tablet and push the wire that connects to the charging port. Do it gently but enough to make it click into place. This may help. Also try venting the charger back wards when charging the tablet

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I work at a phone/tablet repair shop, I've already taken it apart, replaced the charge port. Removed the battery and ensured the ribbon cable was fully secured. Basically removed and resecurd everything I could.

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