SG200-08 all LED blink together.

Hello,
I have a SG200-08 which all LEDs blink together. This happened after a firmware upgrade.
I can not access my switch.
does anyone know a solution for this?
thanks.

Hi
I think the following link will be helpful to upgrade and after upgrading the firmware, reboot the switch to factory default settings. I tried and I was successful, so I though it would be helpful to you.
The following link will be useful while upgrading :
http://sbkb.cisco.com/CiscoSB/Loginr.aspx?login=1&pid=4&app=search&vw=1&articleid=947
Thanks & Regards
Punith Kumar Neelam
SBCD Engineer

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Cisco IOS Software, C3750E Software (C3750E-IPBASEK9NPE-M), Version 12.2(55)SE1, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2010 by Cisco Systems, Inc.
Compiled Thu 02-Dec-10 06:08 by prod_rel_team
Image text-base: 0x00003000, data-base: 0x02800000
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cisco WS-C3750X-48P (PowerPC405) processor (revision A0) with 262144K bytes of memory.
Processor board ID
512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address       : 50:3D:E5:FA:A8:00
Motherboard assembly number     : 73-12553-04
Motherboard serial number       : FDO15021WG7
Model revision number           : A0
Motherboard revision number     : A0
Model number                    : WS-C3750X-48PF-S
Daughterboard assembly number   : 800-32727-01
Daughterboard serial number     :
System serial number            :
Top Assembly Part Number        : 800-31324-01
Top Assembly Revision Number    : A0
Version ID                      : V01
CLEI Code Number                : COMJZ00ARA
Hardware Board Revision Number : 0x02
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*    1 54    WS-C3750X-48P      12.2(55)SE1           C3750E-IPBASEK9NPE-M
     2 54    WS-C3750X-48P      12.2(55)SE1           C3750E-IPBASEK9NPE-M
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     4 54    WS-C3750X-48P      12.2(55)SE1           C3750E-IPBASEK9NPE-M
     5 54    WS-C3750X-48P      12.2(55)SE1           C3750E-IPBASEK9NPE-M
     6 54    WS-C3750X-48P      12.2(55)SE1           C3750E-IPBASEK9NPE-M
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Hi,
Check the link below:
Troubleshooting LED Blink Codes or Beep Codes During Startup or Boot
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SG200-08 all LED blink together.

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