IBM X3400 not starting afer cmos battery chan

Hewlett-packard / OPTIPLEX 755
May 8, 2011 at 11:06:19
Specs: win 2003 server, 4 gb
we have observed clock was showing wrong time on IBM x3400 server, win 2003 std. we had changed the CMOS battery. after that the system is not starting. observered the cdrom lights continuously blinking. before the cmos battery the system is working fine, no issues at all.

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May 8, 2011 at 11:47:09
Has anyone checked the battery voltage with a meter? Was the unit unplugged when the battery was changed? Were all external cables disconnected? Somebody missed something on the procedure list.

It is possible that the CMOS chip was fried by static electricity. You will not feel the small amount necessary to kill a computer. So many change those batteries without a ground strap and get lucky. Without CMOS settings, it's not going to boot.

Finally, what does the manual say about changing the battery?

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