I changed my hdd in the footsteps of iFixit, but after reassemble and turn on the imac, hdd fan is running fast and making too much noise, what is happening?
The older hdd is wd1001fals,
the newer is wd20ezrx.
Please help me....
Thanks...
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These models only supported the 3 Gb/s Serial ATA 2.0 standard for both a 3.5" hard drive and a 2.5" SSD. However, as first discovered by OWC, the iMac EFI Update 1.6, released two days later, quietly provided 6 Gb/s Serial ATA 3.0 support. The new drive is SATA III (6 Gbs/s) you need to apply the EFI update (if you haven't already).
I do not know for certain, but if you haven't done the update *maybe* that is why your machine is overheating.
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Was there a heat sensor plugged into your old drive?
by mayer