The W7 system turns on the WF and then turns on the host after a while, and the display screen does

Analysis: If the host indicator light is on or off, the screen is not powered on (the power indicator is not on), or the power is turned on but there is no signal or "no sighal" is displayed, the former means that the power is not on or the connection is poor, and the latter is generally due to poor memory module contact or damaged graphics card.

Recommendations:1If the monitor is powered on but no signal is displayed, turn off the power and turn on the case, plug in and unplug the memory module again, and wipe the gold finger with an eraser (the back of the thumb fingernail is also fine) in one direction, and then turn it on after installation.

If you don't know how to operate, then it's simple: kick the chassis with one kick (note the location: the front of the shell on the left and right sides of the chassis that has no interface at the back).

If it's a notebook, you can't kick it, but it's the same for other operations.

2.If the above operations do not work, turn off the power and turn on the chassis, reinsert the graphics card, and plug in the data cable between the monitor and the graphics card. If it still doesn't work, then consider the graphics card damaged, then replace it with a new one.

3.If the monitor is not powered on (the indicator light is not on), look at the back of the monitor, plug the power cord that connects to the monitor upwards, and check that the other end of the power cord is powered on to the outlet.

4.If the display can be displayed when connected to another monitor or the display of this machine is connected to another normal host and still cannot be displayed, the monitor is damaged and needs to be repaired.

First, make sure your laptop has wireless turned on.

In the image above, find the Windows command handler and right-click on it to select Run as Administrator.

Once opened, enter the command: netsh wlan set hostednetwork mode=allow ssid=livdran2012 key=100100100.

mode: whether to enable the virtual Wi-Fi network card, change to disallow to prohibit.

SSID: The name of the wireless network, preferably in English. (Livdran2012 is used as an example, which can be set freely).

key: wireless network password, limited to more than 8 characters. (Here the 100100100 is used as an example, which can be set freely).

When you're done typing the command, press enter to run.

Once the run is successful, open the Network and Sharing Center and click Change adapter settings on the left.

When you go to the adapter settings, you will find that there is an extra Wi-Fi connection with a network card of "Microsoft Virtual WiFi Miniport Adapter"2. If not, try updating the driver of the wireless card.

For convenience, Wi-Fi 2 can be renamed to Virtual Wi-Fi.

In Network Connections, right-click on the network connection that is connected to the Internet, select "Properties" "Sharing", tick "Allow other network users to connect through this computer's Internet connection (N)" and select "Virtual WiFi".

Once confirmed, the word "Shared" will appear next to the NIC icon that provides sharing, indicating that the "Broadband Connection" has been shared to "Virtual WiFi".

Then, go ahead and type: netsh wlan start hostednetwork in the command prompt, press enter to run.

Finally, the red cross of the virtual wifi disappears, the wifi base station has been set up and started, search for the wireless network you have established with a device that supports wifi (such as livdran2012 in the example), enter the password you set (as 100100100 in the example), and you can share the Internet.

If everything else is normal, turn off the sharing of the local connection first, and then turn the sharing of the local connection back on, and share it to the virtual wifi.

Restart the hotspot and try Local Connection Properties - Sharing to enable Internet connection sharing.

Local connection Whether or not to set a network share.

Method 1: Then press and hold the keyboard combination win+x, select the command prompt (administrator), type netsh winsock reset in the prompt box, and press enter.

If the reset is successful, restart your computer.

Method 2: Open the Network Sharing Center - Current Network Connection Properties - Select Protocol, click Install and select Protocol - Add.

Choose a reliable multicast protocol - OK.

Restart your computer after installation and it will solve the problem.

Focus on computer problem solving, from Dashen technology.

I also have this kind of problem, unless you have been using the network, after a few minutes without the phone screen turned off, it will be dropped (although the display has a strong wifi signal), I generally reconnect, it will take more than ten seconds, how to solve this problem, is also solving.

A system abnormality may be caused by installed third-party software. It is recommended to try an antivirus or uninstall recently installed suspicious software.

Enter the command in the Command Prompt:

Netsh WLAN show drivers check the driver information of the wireless network card and check whether the wireless network card supports "wireless bearer network" in the information provided

Support displays: Supported Bearer Networks: Yes.

If supported: right-click "Local connection (or network card) to surf the Internet", select "Properties", and then select "Sharing" to tick the settings of the two connection sharing, and select the name of the virtual network you established in the "Home Network Connection" dialog box.

This campus network restricts network sharing, and the connection will be dropped if you share, so you can find a replacement file on the Internet and you can break the sharing.

If you have 360 Security Guard installed, just turn off the Hide LAN option in the Traffic Firewall.

If these don't work, just change your phone.

I'm having this problem with my computer, and there must be an exclamation point on your internet connection, so you can connect when the exclamation mark disappears.

Is it that when you choose to share a network, you are sharing a network that you can access to the Internet? For example, if you dial up and share a broadband connection, the router chooses a local connection! Now Kingsoft Poison has a one-click sharing wireless function, you can try, mobile phone typing is not easy, and I hope to adopt it.

Whether the computer can access the Internet normally, whether the sharing setting is a hotspot, and whether the password of the mobile phone connected to the computer is correct.

Brother, I'm the same, my computer is telecom broadband, and then the phone is connected to the computer to share wifi after your phone has to dial once. I don't know how.

The driver of the new system must be suitable to use, the software is the same to support the new system, if the router is no problem, if the software has not been researched out of the new system can not be used, if you must use the software to use the original system, this is what you can't control.

First of all, we confirm that the network is connected; You can see if other devices can access the Internet normally; If everyone can't access the Internet normally; It may be due to payment arrears, network problems, etc. Generally, the service provider can be contacted;

In a situation where only we have no access to the internet; Let's see if the wireless connection is normal or has a yellow exclamation mark; Restricted access connections;

1) Dead cycle - many wireless routers sometimes have a connection into a dead loop, that is, they keep getting IP and keep connecting, but they just can't connect to the wifi hotspot. - Let's try the all-purpose fix - restart. After turning off the power of the wireless router completely, turn it back on again after about 10 minutes.

2) Whether there are too many WiFi connection devices - too many digital devices connected to the WiFi of a wireless router will put a lot of pressure on the wireless router, and it is easy to cause IP conflicts and cannot be connected - such a problem can be solved by setting a static IP for each device connected through WiFi.

Dear Lenovo users, hello!

Confirm that the FN lock feature is enabled or disabled.

When the FN lock function is disabled: The FN lock indicator is off. To use the special function of each key, press the function key directly. To enter F1-F12, press the Fn key and the corresponding function key.

When the FN lock function is enabled: The FN lock indicator lights up. To enter F1-F12, press the function key directly. To use the special function of each key, press the fn key and the corresponding function key.

F8 enables or disables wireless features.

If this does not work, we recommend that you reinstall the power management driver and hotkey driver and reinstall the wireless NIC driver.

I don't have the driver fully installed. Are the online and shortcut drivers installed?