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Can't find U disk boot item in bios
After making the boot disk, press F2 to enter the bios after booting, but the U disk boot item cannot be found, as shown in the following figure:
At this point, change the Boot Mode to Legacy Support, and then change the Boot Priority to Legacy First, as shown in the figure below
Then exit to save and restart, press F2 to enter bios again, you can see the U disk startup item appears under Legacy, at this time put the startup item at the top of Legacy, then exit and restart; no need to press F2 at this time, let If he starts it by himself, he will enter the U disk to start;
Before installing the system, first clear the disk, enter cmd (like win+F10), and then enter the command to format the disk, as follows:
Diskpart
List disk
Select disk 0/1/2/3/4 (注意空格，这里的数字代表识别到的磁盘盘符，输入U盘识别的盘符即可)
Clean
gpt
Then you can install the system;
After installing the system, remember to change the bios settings to the previous settings:
2023.7.23 Data recording after reinstalling the system
C disk memory
Memory just after installing the system:
After one night, after updating various drivers:
Memory Distribution:
User – 588M
Windows: 16.4G
Program Files (X86): 1.89G
Program Files: 771M
ProgramData: 456M
Modify the path of the default AppData (pro-test, useless)
Under the user directory of the C disk , the AppData folder mainly occupies the largest space, and with subsequent use, the space will become larger and larger. Therefore, after the system is installed, you can change this directory to other disks first to reduce the size of the C disk. Disk occupation;
the original AppData is placed in C:\Users\anchenliang\AppDatathe path by default, I hope to change this path toE:\AppCache\System\AppData
1. First create a new folder on the E disk to store
the new folder path:E:\AppCache\System\AppData
2. Modify the registry
Win+R, enter regedit, open the registry editor:
2. Back up the registry with the "Export" function in the "File" drop-down menu, just in case;
3. Open the left window in turn:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
4. In the right window, the "name" you see represents those special folders, and the "data" is their corresponding default storage path. Modify the default path to move your desktop folder;
5. AppData application data directory C:\Documents and Settings\User name\Application Data;
6. Modify the path corresponding to AppData to your custom place (such as E:\AppCache\System\AppData);
7. Then copy all the data in the original AppData directory, and finally restart the computer. (Some data may not be copied, just skip it, but according to my test, there is no problem so far, but the UI of some interfaces needs to be reloaded);
8. Finally, record the size of the old App Data directory and the new AppData directory, and see how the size of the two folders changes after a while; normally, the old size remains the same, and the new one gets bigger and bigger. is right;
Old 610M;
New 590M; -----2023.7.23
