1420 Independent graphics mainboard for DELL lapto

1420Independent graphics mainboard for DELL laptop working well 100% tested motherboard system board1 The motherboards are from the factory direclty . 2 Working well and tested fully Procedures of Testing Motherboard's Function: 1. Check the appearance, such as turp, dust, tin soldering or other dirty mark on board. 2. Check whether lack of electronic insulation gummed paper. 3. Check whether lacks of fittings, rust, rot, heat elimination chassis. 4. Check internal and external connector of LCD display , Two memory, DVD driver, Network connection, Voice, Mouse, Keyboard, Dial, USB, SD connector, PC, 3.3V COMS battery, Battery whether charge and discharge, Full running 3D, Restart system at least two times. We offer 40 days warrantyfrom the time you receive the motherboards. LB IT Industry co.,ltd ,is a professional leading supplier components of laptops in China. We are professionally providing laptop‘s accessories and components :refurbished motherboards , brand new displays and keyboards; lcd cover and lcd bezel top cover bottom cover; brand oem adapters as well . Three principles we pursue and belive: 1 Quality is first and based, no best quality , we pursue the better quality. For motherboards, We test fully all motherboards before we ship abroad. 2 Efficiency : After the order and payment done, we will ship to you within 2- 3 days,;all the troubles and problems in our business , we will solve within 2-3days. You can call our boss telphone directly . 3 Invoice : We will make all the invoices as your demand . Any question , please send to our compnay email or call our boss telephone direclty . LB IT Industry co.,ltd. Website: http://lblaptop.en.alibaba.com/index.html telephone : +0086-0755-25926980 Mobile phone:-+0086 13421849692 Address: 503 room ,2building , jinhu garden , jinbi road, luohu district, shenzhen city , China. Contact:Mr Ping Li