Lenovo G470 Unable to enter the system, or the solution to start the error
Keywords: Lenovo g470,g470 start, G470 error, G470 can not enter the system, G470 solution, G470 black screen
Lenovo G470 can not enter the system, or start the solution to the error
Keywords: Lenovo g470,g470 start, G470 error, G470 Unable to enter the system, G470 solution, G470 black screen
Lenovo G470 How to reload the system? Lenovo G470 is an entry-level business office-type notebook computer, pre-installed Win7 64-bit system Home Edition, many users want to put the system into a higher version of the Win7 system, then Lenovo g470 how to reload the system? This article will share with you the use of U disk to Lenovo
Lenovo G470 models recommend installing the Windows 7 or Windows 8 operating system. If you have a Windows XP-based system, the official driver provides only basic support for the new model and does not guarantee that all features under the XP system are available.
Lenovo G470 brightness adjustment can be used in the following two ways. If all is not valid, please contact your local Lenovo Service center.
G470 in the state of the external adapter the flower screen especially when the camera is turned on (Lenovoyoucan) The fault is obvious. As illustrated:
Operation Steps:
First, the power management driver, graphics driver, camera driver update, the fault remains.
Then click the option Bar in the right button to eject the video card settings. Then you can see an option for the power supply;
Click "Powerplay" to eject the power set;
G470 in the state of the external adapter the flower screen especially when the camera is turned on (Lenovoyoucan) The fault is obvious. As illustrated:
Operation steps:
First, the power management driver, graphics driver, camera driver update, the fault remains.
Then click the option bar in the right button to eject the video card settings. Then you can see an option for the power supply;
Click "Powerplay" to eject the power
Failure phenomenon:
IdeaPad G470 Notebook Video drive does not install correctly.
Solution:
1. To ensure the use of Lenovo's official release of the graphics driver, such as the use of non-Lenovo website issued by the driver, please go to Lenovo website download installation. See the specific way 2.
2. If you can access the Internet, the host number (s/n on the white sticker on the back of the host: the characters on the back) is downloaded at the
Failure phenomena:
Lenovo G470 Computers cannot connect to a wired network and cannot surf the internet via wired ADSL broadband dialing.
Solution:
How Windows XP creates a broadband link:
1. Right click on "Network Places"---> Pop-up menu left click on the "Properties" tab, as shown below:
2. Left click on "Create a new Connection", as shown below:
3. Left click on "Next" button, as shown below:
4. Left click "Connect to Interne
Failure phenomenon:
Lenovo G470 boot screen black screen or blue screen error, unable to enter the system normal.
Solution:
Phenomenon one: After the boot, screen card in the black background screen, there are white error information
1. First look at the screen error information, such as the error s.m.a.r.t (as shown below), please try to back up their data, this error more for hard disk damage or abnormal, suggest you to Lenovo After-sales Servic
G470 in the state of the external adapter, especially when the camera is turned on (Lenovoyoucan). As illustrated:
Operation steps:
First, the power management driver, graphics driver, camera driver update;
Then, click on the option bar in the right button, will eject the video card settings, you can see a power option;
Click "Powerplay" to eject the power set;
Select the inserted maximize performance change to maxim
Failure phenomena:
IdeaPad G470 Series Notebook graphics driver cannot be installed
Solution:
1. Make sure to use Lenovo's official graphics card driver, such as the use of non-Lenovo website issued by the driver, please download the installation to Lenovo official website. See 2 for specific ways.
2. If you can surf the Internet, download the driver via the host number (S/N on white label paper on the back of the host), the following address:
hr
Failure phenomena:
Lenovo G470 boot screen black screen or blue screen error, unable to enter the system normally.
Solution:
Phenomenon one: After the boot, screen card on the black background screen, there is a white error message
1. First check the screen error information, such as Error s.m.a.r.t (as shown below), please try to back up your own data, this error is hard disk damage or abnormal, we suggest you go to Lenovo after-Sales service cen
Situation one: After booting the screen card on the black background screen, there is a white error message.
Solution:
1. First check the screen error information, such as Error s.m.a.r.t (as shown below), please try to back up your own data, this
Linux environment variables
Environment variables: Switch folders and find execution files.
Check the environment variables env and set commands. The differences between the variables searched by set include User-Defined variables and bash interfaces.
Export converts custom variables to environment variables, which can be inherited.
malan@malan-Lenovo-G470 ~ $ name=Bellmalan@malan-Lenovo-G470 ~ $ echo $
processing:Redis-serverE: Sub-process/usr/bin/dpkg returned an error code (1)
Zhangw @ zhangw-g470 :~ $ Sudo rm/var/lib/dpkg/info/redis-server .*# Delete all the files in the directory related to redis-server (change the software package name according to the error message of dpkg). I feel that the installation script should be used here. If the old files are not deleted, the newly installed package will contain a new script to delete the old one.
Q
Solution quot; update needs to spend the total/boot space on the xM disk... quot; problem system automatic upgrade will install multiple kernels, detach excess kernels to get more disk space root @ local-Lenovo-G470: /home/local # dpkg -- get-selections | greplinux // with I...
Solve the problem: "update needs to spend the total/boot space on the xM disk... "Problem system automatic upgrade will install multiple kernels, detach excess kernel can get
Solve the problem: "Update needs to spend the total/boot space on the xM disk... "problem system automatic upgrade will install multiple kernels, detach excess kernel can get more disk space root @ local-Lenovo-G470:/home/local # dpkg -- get-selections | grep linux// With image for system kernel www.2cto.com libselinux1installlinux-firmware installlinux-generic installlinux-headers-3.2.0-23 installlinux-headers-3.2.0-23-generic installlinux-headers-3.
After installing the three JDK versions, restart the computer, and then do the following: 1. Check the Java installation First
sudo update-alternatives--display java
sudo update-alternatives--display javac
The results are shown below (I have configured them below)
1
2
3
4
5
6 7 8 9 (15)
apar@g470 ~ $ sudo update-alternatives--display java
-Manual mode
link currently points to/opt/jdk1.7.0_72/bin/java
/opt/ Jdk1.6.0_43/bin/java-Pri
1. x switching between winsows and text mode
● [CTRL] + [alt] + [F1] ~ [F6]: text interface to log on to tty1 ~ Tty6 terminal.● [CTRL] + [alt] + [F7]: graphic interface desktop.
In the two login modes of Linux, a logon environment with only plain text interfaces (the so-called execution level 3) can have tty1 ~ Tty6 Terminal interface, but there is no graphical window interface environment. The other is the graphical interface login environment (the so-called execution level 5), whichTty1 ~ Tty7
Environment: Widows and Linux are all OK, but Windows does not work well. This article is based on Linux
Purpose: To understand the Application Layer protocol HTTP, manual method knocking protocol.
Once you have established a connection with Telnet, you can implement the protocol manually. Telnet can connect not only 23 ports on the server, but also other ports, such as 21,25,80.
Get page
1, with Baidu to establish HTTP connection Telnet www.baidu.com 80
Output
fym@
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