Cisco 3750X won't boot

I have a new 3750X which wouldn't add to an existing stack - turns out it can't load it's flash file:

 
switch: boot
Loading "flash:/c3750e-universalk9-mz.122-53.SE2/c3750e-universalk9-mz.122-53.SE2.bin"...flash:/c3750
e-universalk9-mz.122-53.SE2/c3750e-universalk9-mz.122-53.SE2.bin: no such file or directory

Error loading "flash:/c3750e-universalk9-mz.122-53.SE2/c3750e-universalk9-mz.122-53.SE2.bin"

Interrupt within 5 seconds to abort boot process.
Boot process failed...

switch: version
C3750E Boot Loader (C3750X-HBOOT-M) Version 12.2(53r)SE1, RELEASE SOFTWARE (fc1)
Compiled Wed 03-Mar-10 19:48 by nachen

switch:

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I've taken the .bin file from an existing c3750x and uploaded it to a tftp server. The faulty switch is at the "switch:" prompt

I've done the following:

switch: copy tftp://ip_address/c3750e-universalk9-mz.122-55.SE3.bin c3750e-universalk9-mz.122-55.SE3.
bin
Unknown cmd: copy

but it errors as you can see. How can I get this IOS onto the switch?

Thanks.
LVL 11
gmbaxterAsked:
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gmbaxterConnect With a Mentor Author Commented:
I'm just working my way through an xmodem transfer:

http://www.cisco.com/en/US/products/hw/switches/ps628/products_tech_note09186a0080169696.shtml

The dir flash: appears to have very little in it

Will update with progress tomorrow.
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Lee_YCPCommented:
I have several 3750e's.  Is the 3750e-uni... the appropriate flash for the 3750x?
Well, Its looking for it on the flash so remove the flash and put it in a working one.  Then tftp the file to the flash to the location specified in the failure message.  Return the flash to the one failing to boot and boot it.
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jjmartineziiiCommented:
Don't waste your time with XModem.

You are in luck. The 3750 can do TFTP in rommon

http://mangattu.wordpress.com/2011/01/03/rommon-recovery-of-3750-x-switch/

If you already have the IOS on tftp, all you need to do is follow the steps in the article above.
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gmbaxterAuthor Commented:
Thanks for that... I found that through google but it didn't work.
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jjmartineziiiCommented:
what happened that it didn't work?
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gmbaxterAuthor Commented:
XModem transfer, although slow (7 hours) worked.
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gmbaxterAuthor Commented:
Unknown command copy

Was the error, despite the command being listed under help. Odd.
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