here is the screenshot from istats https://gyazo.com/51196afc98b9630645fea52e1549959a
EtreCheck version: 3.0.1 (304)
Report generated 2016-08-17 13:15:53
Download EtreCheck from https://etrecheck.com
Runtime 2:01
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Computer is restarting
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
12 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
4 GB DDR3 1333 MHz ok
BANK 1/DIMM0
4 GB DDR3 1333 MHz ok
BANK 0/DIMM1
2 GB DDR3 1333 MHz ok
BANK 1/DIMM1
2 GB DDR3 1333 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ⓘ
AMD Radeon HD 6750M - VRAM: 512 MB
iMac 1920 x 1080
System Software: ⓘ
OS X El Capitan 10.11.6 (15G31) - Time since boot: less than an hour
Disk Information: ⓘ
WDC WD5000AAKS-402AA0 disk0 : (500.11 GB) (Rotational)
EFI (disk0s1) <not mounted> : 210 MB
KrumpMac (disk0s2) / : 39.25 GB (18.80 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
BOOTCAMP (disk0s4) /Volumes/BOOTCAMP : 460.00 GB (181.72 GB free)
HL-DT-STDVDRW GA32N ()
USB Information: ⓘ
Astro Gaming Inc. ASTRO MixAmp Pro
Apple Computer, Inc. IR Receiver
Apple Card Reader
Apple Inc. FaceTime HD Camera (Built-in)
USB Keyboard
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Gatekeeper: ⓘ
Mac App Store and identified developers
Kernel Extensions: ⓘ
/System/Library/Extensions
[not loaded] net.osrom.kext.Disabler (1.0.1 - 2016-08-16) [Support]
[not loaded] org.voodoo.driver.VoodooHDA (2.8.7 - SDK 10.6 - 2016-08-16) [Support]
System Launch Agents: ⓘ
[not loaded] 8 Apple tasks
[loaded] 160 Apple tasks
[running] 70 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 47 Apple tasks
[loaded] 161 Apple tasks
[running] 82 Apple tasks
Launch Agents: ⓘ
[running] com.bjango.istatmenusagent.plist (2016-08-17)
[running] com.bjango.istatmenusnotifications.plist (2016-08-17)
[running] com.bjango.istatmenusstatus.plist (2016-08-17)
[not loaded] com.teamviewer.teamviewer.plist (2016-07-06)
[not loaded] com.teamviewer.teamviewer_desktop.plist (2016-07-06) [Support]
Launch Daemons: ⓘ
[running] com.bjango.istatmenusdaemon.plist (2016-08-17) [Support]
[loaded] com.teamviewer.Helper.plist (2016-07-06) [Support]
[not loaded] com.teamviewer.teamviewer_service.plist (2016-07-06)
[running] net.exirion.ssdfanctrl.plist (2013-10-31)
User Login Items: ⓘ
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Internet Plug-ins: ⓘ
Default Browser: 601 - SDK 10.11 (2016-08-16)
QuickTime Plugin: 7.7.3 (2016-08-16)
3rd Party Preference Panes: ⓘ
None
Time Machine: ⓘ
Time Machine not configured!
Top Processes by CPU: ⓘ
36% mdworker(11)
32% TeamViewer_Desktop
16% WindowServer
8% Skype
8% kernel_task
Top Processes by Memory: ⓘ
898 MB kernel_task
270 MB TeamViewer_Desktop
184 MB Skype
184 MB mdworker(11)
98 MB com.apple.WebKit.WebContent
Virtual Memory Information: ⓘ
8.43 GB Free RAM
3.56 GB Used RAM (1.11 GB Cached)
0 B Swap Used
Diagnostics Information: ⓘ
Aug 17, 2016, 01:10:18 PM Self test - passed