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adb not showing device

I have just purchased Android mobile ( Karbonn A1 model ) with Android 2.2
I rooted the device successfully. I have downloaded Rom Toolkit, Busybox, X-plore and other tools. The company has not given any driver. In windows 98 USB driver of my old java mobile allows me to copy/from sd card. However, I have tried three generic drivers for Android mobiles on Microsoft Vista 32 bit SP1, none works. I have installed android sdk. But adb devices does not show any device. I was using web server on my desktop to copy/ from my desk to mobile.
I modified build.prop to show diff. model. Unfortunately the build.prop I copied was showing Android 2.3.6 and my actual device has 2.2 When I reboot the mobile, not only Google play stopped working but all my apps, i.e. terminal emulator, X-plore etc. stopped working. Fortunately Build.prop editor app is working. I have restored all the correct values. But even after booting using Rom toolit ( Free version ) the problem remains. ( Google play and most of the apps not working + my internet is also not working.
So, now it is very urgent that I shall be able to push my old build.prop which I have saved on my desktop as well as on sd card to the systems folder and reboot. I hope it will work. May be I have to install google play and other apps again.
But I can do that only using adb and it is not working.
When I plug in USB cable it shows this device can work faster message ( I do not plug in in USB 2 interface ) and then the autoplay will be displayed for the CD Rom device ! ( windows show it not as USB storage device but cd rom ) and adb reports no usb and device is noI listed. I have read somewhere that USB device id must be written to some file. But I do not know how to get the value and write to which file ?
Please guide me how to connect to mobile using adb
Thanking you
 
I GOT IT WORKED ! I downloaded Zte n721 USB driver for my mobile. ( It requires speecific driver for your device. Google usb drivers works for very few mobiles. ) Then I put vender ID for Zte 0x19d2 to my adb_usb.inf. ( You can not save in edit but you have to use :
echo 0x19d2 >> adb_usb.inf ( use your vendor id you can get it from net I got it from mypcdrivers.com)
When you allow debugging on the mobile, it works.
 
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