Linux systems: Ubuntu 14.04Install Bumblebee to manage dual graphics, the following command will automatically install the Nvidia graphics driversudo add-apt-repository ppa:bumblebee/stablesudo apt-get updatesudo apt-get install bumblebee
Operating system upgrade to Windows 10 will be in C disk to generate a Windows.old folder, generally occupy a larger C disk space, resulting in a C disk space is insufficient.
Reason analysis:
This folder is the data for the operating system
First install the Lenovo settings program in the App Store and update the website's "Lenovo Battery gauge for Windows 64-bit-notebooks" drive, and then restart your computer to open the Lenovo Settings, the option to find the battery charging
The computer keyboard is broken, the typing party. Repairs are usually slaughtered. Buy a keyboard on your own online to pack the wholesale price. is so willful.
1, Ready tools, disconnect the power, remove the battery.
2. Use a
1, the replacement of solid state hard drive (SSD)
First turn off the computer, then remove the mobile battery (note: There are two batteries, the inside and together), unscrew the screws, open the back cover can be opened after the image:
Only
that disables the integrated video card in the bios. Therefore, this article applies to computers in which the bios can disable video card integration. Press ThinkVantage blue button when I start ThinkPad W520 and then press F1 to enter bios. In the Config menu, select Display. Three options are displayed:
The above settings only apply to Windows 7 (if you start Windows, you must set it like this); if you
The notebook installation system is now more and more difficult, the earliest universal Dafa legacy+ide+win7 pure version of the CD-ROM method has become more and more not adapt.New company with a business trip notebook Lenovo X270, no longer have recordable optical drive, the impression of ThinkPad must have thinkvantage, this generation also useless, standard solid-state drive + mechanical hard disk can l
series machine). To launch the Toshiba Hardware Setup program, the Toshiba Hardware Setup program provides a user-friendly graphical interface to modify the BIOS settings. Please note that if you change some settings, you must restart your computer before it can take effect. The Toshiba Hardware Setup program is pre-installed in the Toshiba notebook computer. He can also be downloaded as part of the Toshiba utility program.
2, in the system to carry out the self-test process while holding down
Bois settings u disk boot tutorial, bois settings u tutorial
The following is a brief operation on how to set the bios usb flash drive to start.
In fact, it is not recommended to change from BIOS to USB flash drive boot. boot can be started from USB flash drive by hot key. The following provides the boot hotkeys for Mainstream Brand boards and boot USB flash drives originating from the network;
As shown in the figure, most of them are "F12". In this example, the
file will be copied/Etc/modprobe. d/Directory.
Step 3: Disable the integrated video card in the bios. This step is especially important for dual-graphics machines.
You can skip this step if you are a machine with a single video card. I don't know what to do if I don't have a machine that disables the integrated video card in the bios. Therefore, this article applies to computers in which the bios can disable video card integration. Press ThinkVantage
Failure phenomenon: pre-installed Win7 system ThinkPad, system startup slow, the right mouse button on the desktop for a long time to show.Reason Analysis:Because the pre-installed system has a lot of Lenovo software and startup items, more bloated, so slower.Solution:
Part I: Uninstall program
In turn, enter the "Start---Control Panel---uninstall program";
1, the first need to uninstall is Norton Antivirus. The name is Norton Internet Securit
Lenovo System Update Local Elevation of Privilege (CVE-2015-2234)Lenovo System Update Local Elevation of Privilege (CVE-2015-2234)
Release date:Updated on:Affected Systems:
Lenovo System Update
Description:
CVE (CAN) ID: CVE-2015-2234Lenovo System Update is a member of the ThinkVantage software family for automatic updates to the ThinkPad System, including device drivers and Windows System patches.Le
enter the specified IP address information.
How the ThinkPad model uses access connections to configure a wireless network
1. Enable wireless network card: Please confirm that the driver of the wireless network card is installed correctly, and turn on the wireless network card antenna switch. Lenovo notebooks are mostly fn+f5 (or F4) open, as shown in the picture:
2, click "Start"---"All Programs"---"
The win8/win7 system uses the camera video to appear the ripple flicker how solves?
Method One:
1. Win+q the search application interface to find the camera;
2. Select the camera option at the bottom of the screen and choose "More";
3. More options in the flashing frequency of the default is 60HZ, adjusted to 50HZ after the ripple disappeared.
Method Two:
1. If installed QQ, can be adjusted in the QQ video settings, chat window open "video settings";
We sometimes in the WIN8 operating system, camera applications, QQ video and so on, the use of the process will have ripple flicker phenomenon. The following are the solutions in several cases: (same applies to the Win7 operating system.) )
Method One:
1. Win+q the search application interface to find the camera;
2. Select the camera option at the bottom of the screen and choose "More";
3. More options in the flashing frequency of the default is 60HZ, adjusted to 50HZ
series: s85x,s80x,s78x,s77x,s74x,s72x,s71x (H61-ivybridge platform), s59x,s56x,s51x,s52x,s31x,s32x.
Yang Tian a series (Q87,q77,q75,b75,h81,h61-ivybridge,a75 platform)
Yang Tian M series (H81,h61-ivybridge,a75,a68 platform)
Yang Tian T Series (H81,h61-ivybridge,a75 platform)
Yang Tian R series (H61-ivybridge,a75 platform)
Yang Tian W series (H81,h61-ivybridge platform)
ThinkCentre series desktop, integrated machine
ThinkCentre m8400t (Q77 platform), ThinkCentre m8400s (Q77 platform)
Thi
Lenovo System Update Arbitrary Code Execution Vulnerability (CVE-2015-2219)Lenovo System Update Arbitrary Code Execution Vulnerability (CVE-2015-2219)
Release date:Updated on:Affected Systems:
Lenovo System Update
Description:
CVE (CAN) ID: CVE-2015-2219Lenovo System Update is a member of the ThinkVantage software family for automatic updates to the ThinkPad System, including device drivers and Windo
Failure phenomenon:
WIN8 operating system, camera applications, Lenovo settings camera components, QQ video and so on, the use of the process will be a ripple flicker phenomenon.
Solution:
Method One:
1. Win+q the search application interface to find the camera;
2. Select the camera option at the bottom of the screen and choose "More";
3. More options in the flashing frequency of the default is 60HZ, adjusted to 50HZ after the ripple disappeared.
Method One:
1. Win+q the search application interface to find the camera;
2. Select the camera option at the bottom of the screen and choose "More";
3. More options in the flashing frequency of the default is 60HZ, adjusted to 50HZ after the ripple disappeared.
Method Two:
1. If installed QQ, can be adjusted in the QQ video settings, chat window open "video settings";
2. Open "Quality control";
3. "Power line frequency (anti-flas
holding down the ESC key (satellite 17xx,30/31,3000 series machine startup, hold down the F12 key, SATELLITE5XXX series DOS-free mode of the BIOS setup interface, can only be set by the first way). To use this method, you must turn off the computer first, and the suspend or hibernate state is invalid. First press the boot button to power on, and then quickly hold down the ESC key (or you can press ESC first and then power on). When the system self-test is complete, the user will be prompted to
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