My computer is a bit slow and I want to reinstall the system. Mine is WIN7 Home Normal Edition, and

The system installation generally defaults to the C disk,D disk as long as the data inside is not formatted, it is still retained,Of course, it is best to back up the data with a USB flash drive before reinstallation。

Reinstalling the system only affects the C drive, and the things of other disks have no effect, but because the installed software will write the registry, the installed software will become unusable and need to be reinstalled

It's not that the default C disk,Look at your disk is the main disk,Just choose which drive letter you want to install。

The system defaults to the C drive, but some applications need to be reinstalled, and the files of the D drive will not be affected.

The home version is inherently slow, so it is recommended to upgrade to the ultimate version. Or lose your so-called genuine system, and the pirated ones are better than the genuine ones!

How to install win7 system on CD:

Prepare an empty ***, CD disc, and then burn Win7 (iOS file format) to your CD;

Use a larger USB flash drive or mobile hard disk to back up important files in the old system; (This step is ignored if the disk is fully formatted).

Put the burned win7 system disk into the optical drive where you need to reinstall the operating system and start the computer;

Press the DEL key to enter the BIOS to set the CD-ROM boot during the boot process, or press the F12 key to directly select the CD-ROM to boot during the boot process;

Windows 7 installation interface appears, first select Chinese (Simplified), Chinese (Simplified, China), Chinese (Simplified) - American keyboard, select and click Next, and then click "Install Now";

The installation agreement will appear during the startup of the installer, check the acceptance license terms;

Keep going until the partition interface appears, here select the first partition, type System, and then click Next (before this you can format the first partition, in the Drive option (Advanced) (a) there);

After the partition is completed, wait for a while, after a while to remind the installer that the service is starting, and then remind you to restart your computer after the installation process will continue, here it is fully automatic;

How to install a local hard disk:

Copy these files to the root directory of a non-system disk, most of the system disks are C disks, and the root directory is a certain disk, such as the interface after double-clicking on the F disk, be sure not to put them in the folder;

During the boot process, the user will be prompted to select the operating system to boot, then select the new NT6 HDD Installer Mode 1 option;

Let's start the installation:Click Install Now - Select I accept the terms - Select Custom Installation (the first one is very slow and slow) - Drive Options (Advanced) - If you want to install dual systems, find a non-system drive letter to install, if you only want to use win7, then format the previous system disk (be sure to make a backup of the system disk before);

After the partitioning of Step 5 is completed, the rest of the steps are regular, just follow the prompts to complete.

Personal computer, if you don't mess up**, pay attention to your own safety. Be smart, don't install software blindly, you don't need to hit those broken patches. You'd better install the original Win7 Ultimate, and then you can optimize all kinds of startup items and disable unwanted services.

My previous ASUS,Optimized to 18 seconds to boot up, But the current system is patched.,How to optimize it.。。。 It's because there are too many system files.

The hardware is aging, it's not about the system, open the chassis and clean it, wipe the memory module with a cloth dipped in alcohol, and then use it.

Either use a disc as a system, or use a USB flash drive to restore factory settings basically does not have much effect.

The steps are as follows:

Step 1: Open the computer system control panel and select here"Click"to systems and security;

Step 2: Go to Windows Anytime Upgrade and select Enter the upgrade key;

Step 3: Enter the system upgrade key as prompted, which is as follows:

Step 4: Win7 system upgrade starts, just wait for it to be completed.

It mainly depends on the system you install.

Find a key that matches your own system version.

F11 is a one-click restore function of the pre-installed system, which can restore the machine to its factory state, or this process does not require the use of discs;

1. If you have burned a system recovery disc before, you can use the disc to restore to the pre-installed operating system.

Note: When the recovery disc recovers the system, the entire disk is formatted. Therefore, it is recommended that you make sure to back up all the important data on the disk to a storage device other than the computer (such as a portable hard disk) before using this disc to restore the system.

2. If you have not burned the recovery disc for the machine, it is recommended that you contact HP Care Pack Service to inquire if it can help you restore the system. If your laptop can restore the system for free within the time frame of the free recovery system, it is recommended that you bring the invoice and warranty card to it; If the time frame for the free system restoration has been exceeded, it is likely that you will need to pay for the restoration, and you need to contact the repair center for consultation and confirmation of the specific cost.

After Li Ran Zai Bi disturbed the system disk, he looked at the following repentance.

Take the U disk system as an example:

Start with a USB flash drive and enter PE;

The installation steps after the restart are the same as the installation of the optical drive disc,Click the next button according to the prompts,The installation process takes about 20 minutes,After the installation is completed,Install the driver and common software,Then make a system backup,The next time the system has a problem with the direct restoration。

Supplementary email address, I will send you the detailed installation method,