IOS Recovery for 3750 switch

Unanswered Question
Jun 5th, 2010

Hi all,

I have Cisco 3750-24PS-S switch, which IOS mistakenly erase, I have run switch:format flash: command also,

I tried Xmodem recovery for upload IOS on flash, but it gives I/O error while uploading the IOS,

So plz give the complete procedure for IOS recovery through HyperTerminal OR any another method/

also attached is a snapshot of that error,


Vaibhav S.

I have this problem too.
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Leo Laohoo Sat, 06/05/2010 - 16:34

Kindly enter the following commands first:



podhillo Mon, 06/07/2010 - 08:06

Please try the following steps to disaster recovery.

Do check the connections before proceeding:

dir flash:
set baud 115200 --> for faster transfer please change the baud rate
copy xmodem:flash:

More details provided in the following link:

More details of the error message can be found in error decoder in site:

Hope it helps!




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