Huawei internet modem is a most demanded gadget of the year. in this year many cellphone companies like idea cellular,reliance communication, vodafone acer, bsnl mobile has introduced their 3g huawei modems but they all of them excluding idea cellular gives modem with inbuilt sim so we can not use other sim in it. but we are able to use different sim in idea netsetter after unlocking it.

Many times you face the following errors when their thumbs drives, memory card etc becomes write protected.
Cannot copy files and folders, drive is write protected
Cannot format the drive, drive is write protected
The disk is write protected

Today I´m gonna show you how to use a usb thumb drive as a virtual RAM device for your pc.

The thumb drive I used is a 2 Gb usb( The size should be less than 4 Gb.) follow the steps given as such to use your usb as virtual ram.

This post helps you to format unformattable pendrives.your pendrive becomes unformattable due to some virus attacks.this Trick helps you to format even unformattable pendrives(also memory cards).This trick is done with the help of command prompt.
Follow the given steps to do that

If your computer does not recognize the USB device.In this you can get an idea on what to do when your computer displays an error message like "USB device not recognized" when you plug in a usb device in a usb port.

If you are the administrator of public cafe or school,this trick will be helpful for giving protection to your system.  You can disable writing to USB.  This will prevent from file stealing.

use the following steps to disable sharing to usb