Summary of CAD Issues Solved 1-10

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1. 【Solution when CTRL+N doesn’t work】 As is well known, CTRL+N is used to create a new document. But sometimes, when using CTRL+N, a selection panel appears; in such cases, one only needs to go to the OP options: OP (Options) ---- System ---- There is an option on the right side titled “Start” (A means the start dialog box will appear, while B means it won’t). Choosing A will make the new-document command functional, while otherwise it won’t work.

2. 【Solution when the CTRL key doesn’t work】 Sometimes we encounter situations where commands related to the CTRL key, such as CTRL+C (Copy), CTRL+V (Paste), and CTRL+A (Select All), stop working. In such cases, one just needs to adjust the settings in the OP options. Procedure: OP (Options) ---- User System Configuration ---- CHECK “WINDOWS Standard Accelerators”. Once this option is checked, commands related to the CTRL key will function properly; otherwise, they will not work. 3. 【Solution when filling fails】 Sometimes, filling doesn’t work as expected. In addition to checking the system variables, it’s also necessary to go to the OP options and verify whether “Apply solid filling” is selected (make sure the checkbox is ticked).
4. 【Solution when adding objects fails】 The correct setting in CAD should allow multiple objects to be selected sequentially. However, sometimes this functionality fails, and only the last selected object can be chosen. This issue can be resolved by going to OP (Options) → Selection → Uncheck “Add to selection set with SHIFT key”. After unchecking this option, adding objects sequentially will work; otherwise, it won’t. ★Command: PICKADD, Value: 0/1
5. 【Restoring settings using three keys in CAD】 What if the system variables in CAD are changed accidentally, or certain parameters are adjusted intentionally? There’s no need to reinstall CAD or adjust each parameter individually. The solution is to go to OP Options → Configuration → Reset, which will restore the settings. However, after restoration, some options may still need adjustment, such as the size of the crosshair.
5. 【What to do if the middle mouse button doesn’t work properly】 Normally, CAD’s scroll wheel is used for zooming in and out, as well as for panning (by holding down the scroll wheel). But sometimes, instead of panning, another menu appears when the scroll wheel is held down, which is quite annoying. In this case, simply adjust the system variable mbuttonpan. The default value is 1.
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0: Supports actions defined in .mnu menu files.
1: Supports panning when a button or scroll wheel is held down and dragged.
6. 【Solution when the model and layout tabs disappear in the command line】 Go to OP → Options → Display → Check “Show layout and model tabs”.
7. 【CAD tips】 Still troubled by slow drawing speeds, or by not being able to reach the Enter key due to short fingers? Let’s forget all that. As we all know, there are two confirmation buttons: Enter and Space. But now let’s use the right mouse button as a substitute. Go to OP Options → User System Configuration → Check “Use shortcut menu in drawing area”. Customize the right mouse button by clicking on it and checking all options related to repeating the previous command. Try it – does the right mouse button now function as a confirmation button? It’s recommended to develop the habit of using the right mouse button for confirmation; the Space bar is a good alternative. Avoid using the Enter key for confirmation.
8. 【What to do if circles in drawings become irregular】 Those who draw frequently know that the circles they create often become irregular. Of course, those who have studied sketching know that circles are actually composed of many curved lines. There’s no need to go into further details here – just use one command to fix this issue: RE.
9. 【Showing scroll bars in the graphics window】 Some people still use mice without scroll wheels. In such cases, scroll bars can be useful (if you’re not good at panning). Go to OP → Display → Check “Show scroll bars in graphics window”.
10. 【Saving in a specific format】 Go to OP → Open and Save → Save as 2000 format. Why save in 2000 format? Because CAD versions are only backward compatible. This way, files from versions 2002, 2004, and 2006 can be opened easily for further editing