Q: Why does my iMac boot slower after upgrading RAM?
I recently upgraded the RAM in my late-2012 27" iMac from 8 GB to 16 GB using http://eshop.macsales.com/item/Other%20World%20Computing/1600DDR3S08S/ from macsales.com. The specs for the RAM are (for those of you who don't want to click an embedded link):
- Technology: DDR3L SO-DIMM
- Density: 4GB (4096MB) per module
- RoHS: Yes
- Pin Count: 204-pin
- Op. Temp.: 0C to +85C
- Data Rate: DDR3L-1600
- Speed: PC3-12800
- CL: 11
- Cycle Time: 1.875ns
- Voltage: 1.35V
- ECC: Non ECC
- Module Ranks: Dual Rank
- Register: Non Parity
This appears to be the correct RAM and this is what macsales.com recommended after I checked the model number for my iMac (13,2).
However... Ever since I installed the new RAM, my iMac has booted noticeably slower. It's fast once it gets going, but getting to the login screen takes quite a bit of time (much more time than I remember with just 8 GB). There is no compression running VMWare which is the biggest reason for upgrading the memory. I mean, this iMac is fast - once it's booted.
Just for giggles, I booted in Safe Mode and repaired the hard disk. I rebooted and tested all the hardware using the hardware test. I have reset the NVRAM and it still boots slow. I'll time it using the standard 8 GB RAM and compare it to the 16 GB boot, but I mean it's three or four times slower. Where I could turn it on and get to the login screen before I could leave the room to I can go to the bathroom and come back before it's at the login screen.
Is there something else I can try or something I missed?
Thanks.
iMac, OS X Yosemite (10.10.3)
Posted on Jun 25, 2015 3:34 PM
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