cruzer blade 4gb doesn't formet

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1

i have a cruzer blade 4gb  Model-SDCZ50-004G

when i enter my usb a pop up come to formet it.but when i try to formet this it shows it write protected.

when i see it’s propertis it show nothing or 00MB.

so what i do now

regards

Masum

heromasum@yahoo.com

2

Maybe this will help.

http://forums.sandisk.com/t5/All-SanDisk-USB-Flash-Drives/HOW-TO-REMOVE-WRITE-PROTECTION-FROM-USB-FLASH-DRIVE/m-p/289884/highlight/true#M4035

3

I checked the KB as pointed out. Can we assume already that this is a hardware failure?