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écran noir malgré remplacement de l'écran par un neuf même référence |
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écran de l'iMac reste noir |
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iMac EMC2544 ne demarre plus |
Pièces
Outils
Voici quelques outils couramment utilisés pour travailler sur cet appareil. Vous ne devriez pas avoir besoin de tous les outils pour chaque procédure.
Modèles
A1418 Late 2012 iMac13,1 2.7 GHz, A1418 Late 2012 iMac13,1 2.9 GHz, A1418 Late 2012 iMac13,1 3.1 GHz
Identification and Background
Released November 30, 2012, the 21.5" iMac EMC 2544 features improved specifications and significantly redesigned internals, housed in a much slimmer case. It can be identified by its model number A1418 and EMC number, 2455, both of which are located beneath the single foot.
Technical Specs
Display:
- 21.5-inch LED-backlit display with IPS technology
- 1920-by-1080 resolution with support for millions of colors
Storage:
- 1TB (5400-rpm) hard drive or 1TB Fusion Drive.
Processor:
- 2.7GHz or 2.9GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.2GHz or 3.6GHz) with 6MB L3 cache or 3.1GHz quad-core Intel Core i7 (Turbo Boost up to 3.9GHz).
Memory:
- 8GB or 16GB of 1600MHz DDR3 memory
Wireless Connectivity:
- 802.11n Wi-Fi wireless networking; IEEE 802.11a/b/g compatible
- Bluetooth 4.0 wireless technology
Graphics and Video:
- NVIDIA GeForce GT 640M graphics processor or NVIDIA GeForce GT 650M graphics processor
- FaceTime HD camera
Ports:
- SDXC card slot
- Four USB 3 ports
- Two Thunderbolt ports
- 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
Audio:
- Stereo speakers
- Dual microphones
- Headphone port
- Headphone/optical digital audio output (minijack)
- Support for Apple iPhone headset with microphone
What’s in the Box:
- iMac
- Apple Wireless Keyboard
- Apple Magic Mouse
- Power cord
Dimensions:
- Height: 17.7 inches (45.0 cm)
- Width: 20.8 inches (52.8 cm)
- Stand depth: 6.9 inches (17.5 cm)
- Weight: 12.5 pounds (5.68 kg)
