WIN8 System Exchange Win7 System

Spit Groove First, win8 change win7 good trouble ~ first time, but finally fix, record it.

First of all, the most deceptive is that win8 can not like Win7 as F1 or other, directly into the BIOS, there is no way to set the USB drive boot, is said to be due to the rapid start of the WIN8, anyway, I try to do it many times. Then found another way, first attached to the original link: http://jingyan.baidu.com/article/359911f57e0c1557ff03067a.html

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The WIN8 series is very fast because it starts up fast, in which case it is not possible to F12 or F8 into the basic input and output system (Bios) as we did before, and here is an easy way to do the following:

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First move the mouse to the bottom right corner of the screen and click Settings

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Then, click Change PC Settings

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Go to the PC Settings screen, click General, then click Restart Now

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After rebooting, click on the USE device = + advanced option =>uefi=> Restart:

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After reboot, the BIOS interface is successfully entered:

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I used this method to enter the BIOS successfully, but this is not finished, but also need to change the UEFI to legacy, but encountered problems, the change of the place is gray, can not change, and then a search, find a solution. First on the original link: http://jingyan.baidu.com/article/c1a3101e8bf3c2de656debfb.html

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WIN8 Retrofit win7 The UEFI option needs to be turned off in the BIOS, and if the OS option is turned off, but Uefi is gray and cannot be changed, how do I handle it?

1. When the Restart OS option is set to Disabled

2. But the UEFI option under Startup is gray and cannot be changed

3. Preferred Restore BIOS default settings

4. After recovery, you can change

5. If the gray is still not selectable, or do not want to restore the default, you can enter the security option to find secure boot (secure boot)

6. Turn off secure boot

7. You can change the UEFI

---------------------------------------------------above for reference-----------------------------------------------I did not succeed in the 3rd step , the 5th step succeeds, can change the boot way. Then you can start the USB stick, note that after the change WIN8 system is not going to go now, because the boot way from Uefi to legacy, so found now into not win8 also don't panic, direct U disk do system on line, forget Win8. Before you install Win7, you should also note that you should remove all partitions and then convert the hard disk partition to MBR format. Also attached is the original address: http://www.laomaotao.org/softhelp/syjc/353. HTML---------------------------------------------------The following is a reference-----------------------------------------------old peaches u disk boot hard disk partition table format Conversion tutorial Some users want to replace the WIN8 system with a Win7 system for customary reasons. This needs to involve the hard drive partitioned table-type conversionsoperation, we need to convert the GUID (Win8 above system and Apple system) to the usual format of MBR. I'll talk about it today. How to use the Diskgenius partitioning tool to partition a hard disk into a table GUID conversion MBR format。
First of all, to prepare an old Peaches U disk Startup disk, the specific production method can refer to the " old peaches How to make U-disk Startup disk with one click”。 1, the Old Peaches U disk boot disk into the computer USB interface, restart the computer, when the boot screen after pressing the shortcut key into the old Peaches main Menu interface, select "02" Running old Peaches Win2003pe enhanced version (recommended for installation), enter confirm. When you get to the Win2003pe Enhanced system desktop, double-click to open the Diskgenius Partitioning Tool, and then to delete all the partitions, you can click one of the partitions on the left, and then click Delete Partitionbutton is implemented as shown in:

2. After the partition is deleted, click " Save Changesbutton, a confirmation window pops up and we click on the " is a, perform the change operation as shown in:

3. Next click on the menu bar in the top left corner HDD", in the drop-down options that appear, tap convert partition table type to MBR format"As shown in:

4. A warning window will pop up, click " Determine", perform the conversion operation as shown in:


5, finally, you need to re-partition the hard disk, click " Fast Partitioningbutton, set the required number of partitions in the pop-up window, and the partition properties, click " Determine"button, as shown in:


So far, using the old Peaches U-disk boot Disk partition table Format ConversionThe operation of the introduction here, through the above-mentioned method you can achieve GUID conversion MBR formatEffect, the next time you encounter this problem can you solve it yourself? ---------------------------------------------------above for reference-----------------------------------------------I was in 3 steps, Convert to MBR format that one is gray, can not select, check the next, is because this is the MBR format, so there is no tube, direct partition system. The installation system step does not repeat.

WIN8 System Exchange Win7 System