I come late to this discussion and am not sure of the beginning but
when power supplies start to fail sometimes they don't have enough
oomph to power up what they previously could so after attempting to spin
things up, they (the motherboard) reverts to a showing single blinking
green or yellow light on the case front. If the computer is looping
around in this case, it may be that the bios is set to restart upon
failure.
In any case, if it is a diminished power supply, try unplugging all non
essential peripheral devises. 2ndary hd drives, all USB devices, extra
adapter card devices and if it starts up you know it is time for a new
power supply.
db
Tom Piwowar wrote:
When the computer is plugged in and the power supply is providing +5V
"standby" power to the motherboard, that runs the clock and keeps the CMOS
RAM alive, and there is no drain on the motherboard battery. When you
unplug the computer (or turn off the power strip), then the motherboard
battery supplies power to the clock and the CMOS RAM. What further
"proof" do you want that the motherboard battery will last longer if the
computer is kept plugged into a live outlet?
Thanks Fred, but why respond to silly, argumentative posts that are not
from the person having the problem? Hopefully the person having the
problem will replace the battery and find that they have an inexpensive
fix. I certainly would replace the battery before going to all the work
of replacing a power supply.
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