I have a Cisco 1750 when I try to boot all the light are lite up and it won't boot. I bielve the ram is stuck or bad. Has anyone had this happen and have a work around for it?
You will need to open a TAC case to get this fixed. Your boot ROM may be the culprit. I have heard that Cisco will ship you a replacement for the cost of shipping. Never had to try it myself.
I'd first start with making sure that the DRAM (if you have any extra aside from the 16MB on board) and the flash are seated properly...and also any WIC/VIC cards. If that's no help then maybe swapping DRAM would help. Although I'd assume you'd get some console output even if the dram were bad. If you are getting no console output at all, then you are probably talking about a bad router, boot rom, and/or power supply.
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