NEC-VA93J Maintenance Tutorial Add wireless Card

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First, the summary

This tablet model is NEC PC-VA93JGLLH, the computer has a MINI-PCI slot, you can add a variety of wireless network cards, such as Broadcom 4318, Intel 2200. Note that the size of the wireless card is half-high.

Second, the installation process

1. Follow the figure below to remove the screws.

The red marked screws are fixed housings, the blue labeled screws are fixed on the LCD screen, the yellow labeled screws are on the side, and this figure is not visible. All these screws must be removed. The image below is the way the front cover is opened.

2. Tear down the screen

First, remove the screws from the red circle in the picture, and the high-pressure bar can be taken down.

Then, remove the yellow data cable. Notice the two blue circles, that is a switch, the white switch on the Internet, the data line can be taken down.

Finally, take down the screen, note that the high-pressure bar and the screen is connected together, to get down together.

3. Remove the motherboard

To remove the hard drive first, position the following image and pull the hard drive in the direction of the Red Arrow.

Take off the screen as shown below (note that this figure I did not remove the high-pressure bar, not the correct method of disassembly):

The white screws on the motherboard are all removed. A black screw in the lower right corner of the image is also to be torn down. The black screws near the USB port do not have to be torn down. See the following two pictures:

The red markings are all torn down.

In the picture above, the red marked screws are removed, the black marked screws do not have to be removed, the yellow mark is the horn signal line, also to be removed (outward pull out).

4. Install the wireless card

The motherboard, in turn, is shown below, and the red tag is the wireless card slot.

Connect the wireless card's antenna to the wireless card, and then insert the miniPCI slot diagonally, and then buckle down. The following figure:

The antenna of the wireless network card is placed in the shell according to the characteristics of its antenna.

5. Turn on the wireless card switch

There is a SW1 on the control panel where the power switch is located, as shown below. Open the switch by pressing the arrow in the direction of the graph.

6. Subsections

At this point, the wireless card installation is complete, the rest is the screws all back can be. Note that the built-in antenna may not signal well, consider getting an external antenna.