Because your ctrl key is stuck, just press it a few times Hehe, the one on the first floor is wrong. I'll help him correct it here. You can try and see who is right hey
It is usually caused by sundries in the keyboard;Of course, viruses are also possible;If it is an external mouse, try it on someone else's computer to find out whether it is broken.The external mouse is usually used directly and does not need a driver. If the built-in mouse has an installation driver, please go online and select according to the laptop model
The computer system may be damaged due to sudden shutdown. It is recommended to reinstall the system. The GHOST version is very fast, and it will be ready in a few minutes.
The mathematical formula printed in Word is copied into PPT by the following method. 1. In Word, copy the mathematical formula printed in Word; 2. In PowerPoint, click Start Paste Paste Special, as shown in the figure;
3. The Paste Special dialog box pops up: (1) Select the Microsoft Office Word document object, and double documents can open Word for editing;
(2) Select a picture (enhanced metafile) and insert it as a picture, as shown in the figure.
