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Amazon.com: OWC 2.0TB HDD Upgrade Kit Compatible With 2009-2010 iMacs, Includes: Thermal Sensor, Tools, 2.0TB Hard Drive : Electronics
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Amazon.com: OWC in-Line Digital Thermal Sensor HDD Upgrade Cable for iMac 2009-2010, (OWCDIDIMACHDD09) : Electronics
SOLVED: Where are the diagnostic led's on this model's logic board - iMac Intel 21.5" EMC 2389 - iFixit
![Promotion A1311 Laptop Motherboard 2009 2010 2011 For IMac 21.5'' Logic Board 820-2494-A 820-2784-A System Accessory Fully Work - AliExpress Promotion A1311 Laptop Motherboard 2009 2010 2011 For IMac 21.5'' Logic Board 820-2494-A 820-2784-A System Accessory Fully Work - AliExpress](https://ae01.alicdn.com/kf/S9db5885b9cdb4a3db6382459bc876fedJ/Promotion-A1311-Laptop-Motherboard-2009-2010-2011-For-IMac-21-5-Logic-Board-820-2494-A.jpg)
Promotion A1311 Laptop Motherboard 2009 2010 2011 For IMac 21.5'' Logic Board 820-2494-A 820-2784-A System Accessory Fully Work - AliExpress
SOLVED: Where are the diagnostic LEDs on the iMac mid-2011 27" EMC 2429? - iMac mid-2011 27" EMC 2429 (2.7GHz i5) - iFixit
![2013 imac 21.5” power issue, replaced power supply twice, still no diagnostic LED on. The Mac will power on after being plugged in for several hours. And then powers on like nothing 2013 imac 21.5” power issue, replaced power supply twice, still no diagnostic LED on. The Mac will power on after being plugged in for several hours. And then powers on like nothing](https://preview.redd.it/wlxzlgxxhtd11.jpg?auto=webp&s=f8722db6a8209fbc5ef4822ac6fd1b614a4ff0be)
2013 imac 21.5” power issue, replaced power supply twice, still no diagnostic LED on. The Mac will power on after being plugged in for several hours. And then powers on like nothing
SOLVED: Where are the diagnostic LEDs on the iMac mid-2011 27" EMC 2429? - iMac mid-2011 27" EMC 2429 (2.7GHz i5) - iFixit
![iMac 2009, iMac 2010 and iMac 2011 - Apple Broadcom BCM94360CD - 802.11 a/b/g/n/ac with Bluetooth 4.0 Upgrade Kit | www.osxwifi.com | Native Support for Apple Broadcom BCM94360CD and BCM943602CDP for PC iMac 2009, iMac 2010 and iMac 2011 - Apple Broadcom BCM94360CD - 802.11 a/b/g/n/ac with Bluetooth 4.0 Upgrade Kit | www.osxwifi.com | Native Support for Apple Broadcom BCM94360CD and BCM943602CDP for PC](https://i0.wp.com/www.osxwifi.com/wp-content/uploads/2018/05/BCM94360CD_iMac_cable.jpg?fit=1000%2C1000&ssl=1)