A detailed tutorial on the modification of Win7 by Lenovo Y50 with u disk

For Some reasons, some netizens want to bring their own win8.1 system to Win7, suffering from Y50 no optical drive, installation system is not convenient, the following deliberately do a U disk Conversion System tutorial, first prepare a 8G or larger u disk, if there are important files, please back up, and so will be emptied. (modified pure version of the win8.1 can also refer to this tutorial) if you already have a system USB flash drive, please skip the previous preparation and make the installation image two steps.

--------------------ready to work--------------------------

1, first download a win7 image file: Http://pan.baidu.com/s/1ntqjuJn Note: win8.1 download link: http://pan.baidu.com/s/1nt1HErv

2. Download the software UltraISO to install the image of U disk:Http://pan.baidu.com/s/1dDiskRf

3, download the driver, click here to download the link to the official website:Http://support1.lenovo.com.cn/lenovo/wsi/?intcmp=L_F_DaoHang


--------------------Making the installation image--------------------------

the above software and drivers are downloaded, stored in a location, start to make the installation of USB flash drive.

1. First unzip the downloaded UltraISO file (Download the RAR extract software) and open

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2. Click the Quick Open Tool button in the red box

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3, select the previous download win7 image, is an ISO file, click Open.

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4, open, observe the position in the red box, whether and display the same, as can be started.

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5, plug in the USB drive, click on the startup of the write hard disk image.

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6, check whether the hard drive and image files are displayed properly (the hard disk shows the name of the USB flash drive, the image shows the path of the Win7 Mirror), then the point is written, about 20-30 minutes or so, will be completed, and then shut down the software.

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7, the previous download of the driver also copied to the USB stick, do not delete the memory stick inside the Win7 image file that has been written.

--------------------Installation System--------------------------

after the installation of the USB flash drive, please back up the important files in the computer, change the Win7 need to delete all the partitions, backup, and then shut down, a good u disk plugged in.

1, when the Lenovo logo on the boot, more than a few times F2.

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2. After entering the BIOS, select the boot option.

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3. Change the options in the Red box to the option

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4, after the change, press F10, appear prompt, select Yes, the computer will automatically restart.

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5, restart the presence of Lenovo logo, more than a few times F12, will come out to start the menu options, select the USB device you inserted, and then enter

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6, the normal will have a loading file progress bar.

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7, here directly choose Next, if prompted missing device driver, please refer to: http://tsonline.lenovo.com.cn/solution/doc.php?id=20141008173210777

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8. Select the version of the system you want to install, and then next.

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9. Tick I accept the license terms, then click Next.

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10, see here is the win8.1 partition, click into the drive option, delete all partitions

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11, after deletion, will become an unallocated space

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12, click New, first divided into a district installation system, such as 100G input 102400

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13, after the completion, click the middle of the partition 2, and then next, to install (the rest of the space after the system re-partition)

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13, enter the installation wait process, about 20 minutes.

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14, after loading, will enter a simple setup interface, enter the user name you want

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15, enter the password, you can not enter the next step directly.

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16. Select the updated settings.

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17, set the time zone, the default is the line, click Next

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18, the appearance of this interface, a little while, will enter the system.

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--------------------partition-mounted drive--------------------------

after the system is installed, the computer icon is first transferred to the desktop, then partition, install the driver.

1. Right-click on the desktop and select Personalize.

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2. Open the Change desktop icon on the left.

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3. Tick the icon that needs to be displayed on the desktop, then click OK.

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4, because before only a C disk, now began to divide the rest, Start menu-All Programs-Accessories-right-click on the command Prompt icon, select Run as Administrator.

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5. After opening, enter DiskPart and return

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6. Enter list disk return

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7. Enter select Disk 0 to return the car

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8. Enter create partition extended return

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9, after success, will prompt, and then close the command prompt.

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10. Right-click on the computer and select Manage

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11, click on the disk management inside, in the green area right-click, select New Simple volume.

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12, enter the size you want to partition (1g=1024), your own random input on the line, if the division is wrong, you can also delete the re-score.

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13, after the district, the installation of the driver, the driver has just downloaded to the computer, double-click the installation package normal installation, the default setting on the line, install the video card when note, first install integrated graphics driver, and then install the independent graphics card, the other driver sequence does not matter.

--------------------Activation Tutorial--------------------------

after all loaded, it is time to activate the system, there are two main methods, the proposed method 2, activated and the same as the original (if the re-installed is the pure version of win8.1, do not need to activate, installed on the drive after the network automatically activated)

1, online download a small horse crack and other software, crack a bit.

2. Write slic2.1 certificate activation (same as genuine)http://ideapad.it168.com/thread-2417667-1-1.html

A detailed tutorial on the modification of Win7 by Lenovo Y50 with u disk