Sorry for the late reply, I have been flat out with university the past two weeks. This is on a fresh install.
EtreCheck version: 2.9.12 (265)
Report generated 2016-05-14 19:25:51
Download EtreCheck from https://etrecheck.com
Runtime 1:12
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Other problem
Description:
Very slow boot, long white screen for five minutes.
Hardware Information:ⓘ
iMac (21.5-inch, Mid 2011)
[Technical Specifications] - [User Guide] - [Warranty & Service]
iMac - model: iMac12,1
1 2.5 GHz Intel Core i5 CPU: 4-core
4 GB RAM
BANK 0/DIMM0
2 GB DDR3 1333 MHz ok
BANK 1/DIMM0
2 GB DDR3 1333 MHz ok
BANK 0/DIMM1
Empty
BANK 1/DIMM1
Empty
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: Unknown
Video Information:ⓘ
AMD Radeon HD 6750M - VRAM: 512 MB
iMac 1920 x 1080
System Software:ⓘ
OS X Mountain Lion 10.8.5 (12F45) - Time since boot: less than an hour
Disk Information:ⓘ
ST3500418AS disk0 : (500.11 GB) (Rotational)
disk0s1 (disk0s1) <not mounted> : 210 MB
Macintosh HDD (disk0s2) / : 499.25 GB (489.84 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
OPTIARC DVD RW AD-5690H ()
USB Information:ⓘ
Apple Internal Memory Card Reader
Apple Computer, Inc. IR Receiver
Apple Inc. BRCM2046 Hub
Apple Inc. FaceTime HD Camera (Built-in)
Thunderbolt Information:ⓘ
Apple Inc. thunderbolt_bus
Gatekeeper:ⓘ
Mac App Store and identified developers
System Launch Agents:ⓘ
[not loaded] 3 Apple tasks
[loaded] 117 Apple tasks
[running] 22 Apple tasks
System Launch Daemons:ⓘ
[not loaded] 58 Apple tasks
[loaded] 127 Apple tasks
[running] 49 Apple tasks
User Launch Agents:ⓘ
[loaded] com.google.keystone.agent.plist (2016-05-14) [Support]
Other Apps:ⓘ
[running] [0x0-0x32032].com.google.Chrome
[running] [0x0-0x43043].com.etresoft.EtreCheck
[loaded] 347 Apple tasks
[running] 140 Apple tasks
Internet Plug-ins:ⓘ
QuickTime Plugin: 7.7.1 (2016-05-14)
JavaAppletPlugin: 14.6.0 - SDK 10.8 (2016-05-14) Check version
3rd Party Preference Panes:ⓘ
None
Time Machine:ⓘ
Time Machine not configured!
Top Processes by CPU:ⓘ
2% fontd
2% WindowServer
1% Dock
0% Google Chrome Helper(4)
0% mdworker(2)
Top Processes by Memory:ⓘ
377 MB Google Chrome Helper(4)
274 MB WebProcess
139 MB Google Chrome
135 MB mds
86 MB Safari
Virtual Memory Information:ⓘ
1.06 GB Free RAM
2.93 GB Used RAM
0 B Swap Used
Diagnostics Information:ⓘ
May 14, 2016, 07:07:52 PM Self test - passed