4 Replaced Power Supply - Multiple Sensor Failures
Had an iMac (27-inch, Mid 2010) suffering a power supply failure. Replaced the power supply and now the unit powers on, but the fans run constantly at 100%. Diagnostics show 17 of the 25 sensors (most of them temp, but a couple of voltage sensors) as "can't read". Trying to figure out if the sensor failures are due to a problem with the new PSU, or if they are simply a secondary issue that couldn't be diagnosed until the PSU was replaced. Any thoughts?
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edit: these are the failed readings according to diagnostics.
temperature (c):
ambient air - can’t read
cpu heatsink - can’t read
left heat pipe/fin stack prox - can’t read
lcd prox - can’t read
odd prox - can’t read
skin - can’t read
mlb prox - can’t read
ps board prox - can’t read
ps secondary heatsink - can’t read
ps primary heatsink - can’t read
power (a):
ac/dc - 0
current (a):
ac/dc - 0
voltage (v):
primary ac/dc - 33280
secondary ac/dc - 0
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