[Q] PC doesn't detect Z2 flash mode

I "accidently" wiped my entire phone (dalvik,system,cache,data,internal) in twrp recovery because i was stuck in a bootloop and installed envi-rom 0.2B and the phone was able to boot normally and get the phone working again.

After getting my phone to turn on and working again i wasn't able to use flashtool and it looks like this:
05/041/2014 14:41:04 - INFO - Device connected with USB debugging on
05/041/2014 14:41:05 - INFO - Connected device : Sony Xperia Z2
05/041/2014 14:41:05 - INFO - Installed version of busybox : BusyBox v1.22.1-Stericson (2014-01-25 17:27:18 CET) multi-call binary.
05/041/2014 14:41:05 - INFO - Android version : 4.4.2 / kernel version : 3.4.0-perf-gef0bdc3 / Build number : 17.1.1.A.0.402
05/041/2014 14:41:05 - INFO - Checking root access
05/041/2014 14:41:05 - INFO - Root Access Allowed
05/041/2014 14:41:23 - INFO - Selected Bundle for Sony Xperia Z2 (D6503). FW release : 17.1.2.A.0.314. Customization : Generic Thailand
05/041/2014 14:41:23 - INFO - Preparing files for flashing
05/041/2014 14:41:24 - INFO - Please connect your device into flashmode.
05/041/2014 14:41:34 - INFO - Device disconnected
05/041/2014 14:41:59 - INFO - Device connected with USB debugging off
05/041/2014 14:41:59 - INFO - For 2011 devices line, be sure you are not in MTP mode
05/042/2014 14:42:11 - INFO - Flash canceled

LED blinks red,green, then turns off and flashtool doesn't detect it all.
Afterwards i need to use the power button and volume up key to turn off the phone and reboot.
I also tried via sony pc companion and the phone update itself to update and get 17.1.2.A.0.314 but that didn't work either.
Occasionally flashtool gets stuck on installftkit:
05/010/2014 14:10:37 - INFO - Checking root access
05/010/2014 14:10:43 - INFO - Root Access Allowed
05/010/2014 14:10:43 - INFO - Installing toolbox to device...
05/010/2014 14:10:43 - INFO - Pushing C:\Flashtool\custom\root\ftkit.tar to /data/local/tmp
05/010/2014 14:10:44 - INFO - Running installftkit as root thru sysrun

So i can't update by flashing, pc companion, or via phone. It would also work if anyone knows how i can update without flashing.
-Sorry for long post, just wanted to provide some background info.

Yeah pressed those buttons and tried the options i found on other threads (re-installing drivers, using different pc, etc.) still nothing. I don't have the original wire that came with the phone but i doubt that has an impact.

JackHanAnLG said:

Make sure usb debugging mode is on for a start.

Pick the firmware you want to flash and let it prepear.

When it comes up saying please connect your phone. Make sure your phone is off. While plugging the USB into the phone hold down the vol down button. It will then connect and proceed to flash the firmware

Sent from my D6503 using XDA Free mobile app

Click to expand...

Click to collapse

Sorry i don't think you noticed it was on in my post:
"05/041/2014 14:41:04 - INFO - Device connected with USB debugging on"

But yeah, apparently usb debugging turns off or something of the sort?

erdemc said:

Check out this thread
http://xdaforums.com/showthread.php?t=2635830

Have You installed the flashtool drivers????

Click to expand...

Click to collapse

Yeah from there and from the flashtool set already and it didn't work either time.

Has anyone found a fix to this yet?
I still can't flash my phone or update the software.

That's not the issue, I'm already on rooted unlocked bootloader. My problem is I can't update through phone, pc, or flashtool.
If it means anything the noise canceling isn't working anymore either so I think it might be that those original system files are gone. (for the noise canceling, flashing, and maybe other stock functions I haven't noticed)

Hope that helps anyone get an idea of the situation.