Xperia M is not detected while updating via PCC

[iamMuthu]

Hi all...

I was trying to Update My Xperia M to latest version (15.4.A.19) and while trying via PCC it asks to Turn off the phone and Connect to PC by Pressing Vloume Down key while doing this my phone is not getting detected by PCC. Any Ideads ?????

Thanks in Advance ......

[Thommo]

Is your Flashmode driver installed or are you running Windows 8/8.1 or a 64bit system

[iamMuthu]

im using windows 7.... and im trying to update usin PC companion .. where can i get flashmode driver ?

[Thommo]

It should auto install when you connect your device in Flashmode ie:With phone switched off hold volume down and connect your USB cable - To confirmit is installed check device manager or have it open as you connect your device as detailed