戴尔dell 5420-7420 拆机示意图

戴尔dell 5420-7420 拆机示意图

因为dell 5420 和 7420的构造设计是一样的，只是配置不同。。最直接的差别就是显卡，一个是GT 630 一

个是GT 640

Intel? Core i3

Intel? Core i5

Intel? Core i7

(Sandy Bridge and Ivy Bridge Processors) Click here to learn more

Intel? Core i3

Intel? Core i5

Intel? Core i7

(Sandy Bridge and Ivy Bridge Processors) Click here to learn more

Intel? HM77 Chipset Click here to learn more

Intel? HM77 Chipset Click here to learn more

1333MHz DDR3 - Sandy Bridge Processors 1600MHz DDR3 - Ivy Bridge Processors Click here to learn more 1333MHz DDR3 - Sandy Bridge Processors 1600MHz DDR3 - Ivy Bridge Processors Click here to learn more

14.0" HD WLED TrueLife (1366 X 768)

14.0" HD+ WLED TrueLife (optional) (1600 X 900)

Click here to learn more

14.0" HD WLED TrueLife (1366 X 768) 14.0" HD+ WLED TrueLife (optional) (1600 X

900)

Click here to learn more

Integrated

Intel HD Graphics 3000 (Sandy Bridge Processors) Intel HD Graphics 4000 (IvyBridge Processors)

Discrete

nVidia GeForce GT 640M Click here to learn more

Integrated

Intel HD Graphics 3000 (Sandy Bridge Processors) Intel HD Graphics 4000 (IvyBridge Processors)

Discrete

nVidia GeForce GT 630M Click here to learn more

Conexant CX20672-217 Audio controller Click here to learn more Conexant CX20672-217 Audio controller Click here to learn more

SATA HDD 2.5"

mSATA SSD Click here to learn more

SATA HDD 2.5"

mSATA SSD Click here to learn more

1703 WiFi + Bluetooth 4.0 Half Mini Card

1704 WiFi + Bluetooth 4.0 Half Mini Card WLAN 1901 WiFi + Bluetooth 4.0 Half Mini Card Intel? 2230 WiFi + Bluetooth 4.0 Half Mini Card Click here to learn more

720p HD (1280x720) + Digital Microphone

Click here to learn more

10/100/1000 NIC (without LED) Click here to learn more 10/100/1000 NIC (without LED) Click here to learn more

8-in-1 Media Card Reader Click here to learn more

65W / 90W

Click here to learn more

6-Cell 2.2AHr/48Whr battery pack Click here to learn more 6-Cell 2.2AHr/48Whr battery pack Click here to learn more

Features on the front side of the chassis of the Inspiron? 7420/14R laptop are as follows:

Front LCD Area 前面屏幕区域

Features on the front side (LCD Area) of the chassis of the Inspiron? 7420/14R laptop are as follows:

Front Keyboard and Palmrest Area

Features on the front side (Keyboard and Palmrest area) of the chassis of the Inspiron? 7420/14R laptop are as follows:

Features on the left side of the chassis of the Inspiron? 7420/14R laptop are as follows:

Chassis Right

Features on the right side of the chassis of the Inspiron? 7420/14R laptop are as follows:

下面开始拆机。。。左右两边卡扣推开

下面拆硬盘和内存的盖子。。去掉螺丝就可以了。

下面拆内存和硬盘

拔掉数据线，之后去掉固定的四颗螺丝

拆光驱。。去掉固定的螺丝。。一拉就出来了

拆键盘，有些配置如果有背光的，那拆的时候要注意背光的数据线

下面拆C壳。第一次拆可能有点紧，最好慢慢来，因为太重了可能会导致卡扣断了。去掉背面图示的螺丝，

建议去掉背面的所有的螺丝，以免有遗漏

拔掉触摸板数据线

右上角的功能键的数据线

左上角的开关数据线

拔掉屏线

去掉图示的螺丝。。不要有遗漏