Where did my system disk go 100?

SystemRoot% This is an abbreviated form of C: Windows, which is another way to express it, not a virus, and the line connection is no problem, otherwise there will be a big problem with the system that will not start.

Look at whether other files are given system attributes, enter the root directory of the C drive in cmd, and then enter attrib -s -h, see if other files appear, if not, enter c: windows in the start, run to see if you can enter the windows folder, if it is okay, there is no problem.

From the command prompt, you can use the set command to view the settings of the variables.

systemroot% represents the variable of the system directory, and the original c: windows is its value;

The temp in the local settings of the C drive directory is the value of the temp or tmp variables.

Also: c: is a file used by the system hibernation function, disabling the hibernation function can delete the file.

c: is a page swap file, disabling virtual memory deletes the file.

These two file systems cannot be modified while running.

It may be caused by a virus, you check it carefully.

Hello. The new hardware and your operating system are not compatible.

Use FolderSniffer to take a look at the C drive and see where the files have gone.

Set the BIOS to the light zone first, and you can recognize your system disk when it is booted.

After putting in the optical drive, start following the prompts.

The first step is to set up the light enlightenment:

The so-called optical start means that the computer reads the optical drive first when it starts up, so that if there is a disc with optical start function in the optical drive, it can be read before the hard disk starts (such as when installing the system from the optical disc).

How to set it up:1Start your computer and hold down the Del key until the BIOS setup window appears (usually with a blue background and yellow English text).

2.Select and proceed to the second item, "BIOS."

Setup. Find the item or group that contains the word boot, and find the three items in order: "first", "secend", and "third", which represent "first start", "second startup", and "third startup" respectively. Here we can set it to "optical drive", "floppy drive" and "hard disk" in order.

If you don't see these three e-texts on this page, usually the option menu on the right side of boot is "setup", then press enter to see) should select "first" and hit enter, and select cd-rom in the submenu that comes out. Press enter again.

3.After selecting the startup mode, press the F10 key, the E text dialog box appears, press the "Y" key (can be omitted), and press Enter, the computer will automatically restart, proving that the changed settings have taken effect.

4: Put in the ghost you bought

System dish. Restart your computer.

The system will automatically read the disk.

Then it will be displayed.

The contents of the plate.

You choose to automatically load the C drive with one click.

That's it. And then there's the wait ...

After installation, reboot and read the disk.

Select after coming out of the content.

Hard disk boot. Then after entering the system, you will be prompted to install the universal driver in it.

You choose to install.

That's it!