What should I do if the cad f8 shortcut key cannot be used?

Solution to the problem that the cad f8 shortcut key does not work: 1. Find the software that conflicts with the CAD orthogonal shortcut key in the program you are using, and then close it; 2. Start CAD and hold down "Fn" at the same time. Just use the F8" key.

The operating environment of this tutorial: Windows 10 system, Haochen CAD2022, Dell G3 computer.

What should I do if the cad f8 shortcut key cannot be used?

The CAD orthogonal shortcut key is F8, which is mainly used to turn on or off orthogonal mode. But sometimes I can't turn on or off orthogonal when I press F8. Why is this? What should I do if the CAD orthogonal shortcut key F8 cannot be used?

Situation 1: Conflict with some program shortcut keys

When there is no response when clicking [F8] in CAD software and you need to press and hold [F8] to switch to the orthogonal state, it is usually because The CAD orthographic shortcut keys conflict with some of the program shortcut keys in use.

Solution: Find the software that conflicts with the CAD orthogonal shortcut keys in the program you are using, and just close it. If you find it too troublesome, you can also set the system variable TEMPOVERRIDES to 0 first.

Scenario 2: Press F8 on the laptop to pop up and connect to the projector

After starting CAD, click the CAD orthogonal shortcut After pressing [F8], the orthogonal state is not switched, but the options dialog box for connecting the projector pops up. As shown in the picture below:

This is because in some old notebooks, manufacturers directly lock the [Fn] key for the convenience of users. , pressing [F8] is equivalent to pressing [Fn F8]. There is no need to hold down the [Fn F8] key at the same time when switching projectors.

Solution: Press and hold the [Fn F8] keys at the same time.

In this case, as long as you hold down the [Fn F8] key at the same time, it is equivalent to pressing F8 directly before, so if you want to switch the orthogonal state in CAD, you can hold down [Fn F8] at the same time. key.

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