How to Reset a Cisco 3750G-24PS-S Switch to the Factory Default Settings

Step by Step instructions

1. Make sure you have Tera Term or Hyper Term open on the computer you will use to console into the switch with.
2. Insert the console cable into the console port on the back of the switch
3. Hold down the mode button on the front, left bottom of the switch (and continue to hold through step 5)
4. While continuing to hold the mode button, insert the power cable in the rear of the switch
5. Continue to hold the mode button until the system LED light stops blinking and no LED’s are lit. At this time, release the mode button
6. You will see on the screen that the system has booted and is ready for commands
7. Type flash_init and press enter
8. Type dir flash: and press enter
9. Files on the switch, including IOS (line 2 in this example), will be listed. The IOS will have the model number of the switch as part of the name.  Be sure not to remove this file.  It will delete the operating system
10. Type delete flash: , then highlight the name of the file you wish to remove, right click and the file name will be copied next to the colon you typed
11. Press enter.  You will be asked if you want to delete the file.  Press Y for yes and then enter
12. Continue the previous steps for all files except the IOS
13. When you have successfully deleted the unwanted files, type boot and press enter
14. The system will reboot and will now be set back to the factory default setting without any previous saved configurations on the switch

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