The laptop can t connect to wifi, what should I do if the laptop can t connect to wifi

I think it may be that this hotspot of yours may be useless, because many times this wifi is difficult to connect. Here are some of the inconsequential, encyclopedia!!

2.In places with dense Internet access through high-speed lines, users can access the Internet at high speed as long as they bring their laptops or PDAs that support wireless LAN to the area because the radio waves emitted in the area can reach a radius of tens of meters to 100 meters. In other words, manufacturers do not need to spend money on network cabling access, thus saving a lot of costs, so it is called "hot spots".

3.Refers to the part of the gene that is particularly susceptible to mutations, either spontaneously or after mutagen treatment. Such a site was first discovered while studying spontaneous mutations in the R gene locus of T4 bacteriophages.

The presence of such sites in the gene means that there is a special arrangement of bases in the DNA, and the structure of the DNA in these places is very susceptible to changes in the structure of the DNA spontaneously or after mutagen treatment.

The part within the DNA molecule that is more susceptible to mutation compared to other parts of the same size. That is, loci in a gene (or protein) with a particularly high mutation rate.

4.In a tubular reactor that refers to an exothermic reaction, the temperature of the reaction mixture changes axially to form a temperature distribution, and the highest temperature is called a hot spot. At hot spots, the rate of heat supply is equal to the rate of heat removal.

The location and height of the hot spot can provide useful information about the operation of the reactor.

Explanation two. In general.

A hot spot is a source of magma that forms from a relatively fixed volcano in the upper mantle that is independent of plate boundaries.

Overview of the theory. Wilson, J. Wilson t.

Wilson 1963) refers to areas of surface high heat flux, often accompanied by large-scale volcanic activity. Most of the world's volcanoes are located along plate boundaries, especially mid-ocean ridges. However, there are places within the plates where there is strong volcanic activity, and there is no seafloor spreading beneath them.

The Hawaiian Islands in the central Pacific Ocean and its westward extension, the Emperor Ridge, stretch in a linear pattern for more than 6,000 kilometers, from the easternmost active volcano of Mauna Loa (age zero), to the westward to the Detroit Seamount (about 80 million years) adjacent to the Kuril Trench in the northwest. Correspondingly, the geomorphology also changed from an active volcanic island to a dormant volcanic island, with a decrease in height and an increase in the degree of damage, and finally became a truncated mountain under the sea. This phenomenon has been interpreted as a trace left by the Pacific plate during its northwestward migration through a downward fixed hot spot.

Morgan (W.) j.Morgan, 1971) explicitly states that these hotspots are manifestations of lower mantle convection, i.e., hotspots are surface manifestations of the mantle plume.

The ocean-floor plateau, or sea platform, is mostly generated by hot volcanoes, such as the world's largest Ongtong Java Plateau. Some hot spots are also found in the interior of the continent, such as Yellowstone National Park in the United States. China's Mount Emei basalt is also a product of hot volcanoes.

There is a problem with the wireless network card driver, the firewall setting is blocked, the laptop wifi switch is turned off, and the wifi password is wrong. Let's see if there is any problem with the driver in the hardware management.

1. First check whether the wifi switch on the computer is turned on, some computers will have 2 switches, one on the side of the computer, one is through the keyboard to achieve the switch, generally if these two switches are not turned on, the wireless network will display the x number, confirm that these two switches are on the state, try to network again.

2. If the network icon in the lower right corner is not displayed, then check the wireless network card again. Right-click on my computer -- Device Manager -- Network Adapter to see if the network card driver is good.

4. If there is no problem with the above, and you still can't connect to the wifi network, then you can re-enter the wifi password to try to connect. To do this, right-click on the wireless network signal. Re-enter your password and connect again.

5. You can also delete the unconnected wireless network from the network and search for it again to try to connect. Here's how to do it, first of all, open the Network and Sharing Center - click Manage Wireless Network, here it will display the name of the WiFi signal that the computer has connected to before - right-click on the WiFi signal name - delete the network, this network will be deleted from your computer, you can search for the WiFi signal again, and then enter the password to try to connect.

If none of the above works, it is possible that there is a problem with your computer's network card or that the wifi network you are connected to has blocked your computer.