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<blockquote data-quote="johnwartjr" data-source="post: 15700" data-attributes="member: 2176">Actually, I hate to be negative, but I have had a few experiences where it did hurt.It's been years, but I've 'bricked' a couple computer motherboards, trying to flash the BIOS (firmware)Thankfully, in those cases, a replacement flash chip for the BIOS from the manufacturer, or a programmed EPROM could replace the chip with the 'bad flash' on it, and get you going again with minimal downtime. A lot of higher end stuff now has *2* firmware chips on it, and if one fails to boot, it boots off the 2nd one and tries to 'recover' the first.I don't know how our Nikons work. I flashed both my SB-900s, and it worked well. My D90 is out of warranty, I guess there *is* a slight chance I could screw something up, and have to send it in to have it fixed at my cost...&nbsp; but I've not had a firmware problem on anything for years. Hopefully, the problems of the days of old are gone!</blockquote>

[QUOTE="johnwartjr, post: 15700, member: 2176"] Actually, I hate to be negative, but I have had a few experiences where it did hurt. It's been years, but I've 'bricked' a couple computer motherboards, trying to flash the BIOS (firmware) Thankfully, in those cases, a replacement flash chip for the BIOS from the manufacturer, or a programmed EPROM could replace the chip with the 'bad flash' on it, and get you going again with minimal downtime. A lot of higher end stuff now has *2* firmware chips on it, and if one fails to boot, it boots off the 2nd one and tries to 'recover' the first. I don't know how our Nikons work. I flashed both my SB-900s, and it worked well. My D90 is out of warranty, I guess there *is* a slight chance I could screw something up, and have to send it in to have it fixed at my cost... but I've not had a firmware problem on anything for years. Hopefully, the problems of the days of old are gone! [/QUOTE]

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