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These were a common sight, and Mac users of the era might need a paper clip(if the Programmer's Key wasn't installed) in order to restart the computer since the onscreen restart button would usually be nonfunctional.
In many cases programs may appear to be hung, but are making slow progress, and waiting a few minutes will allow the task to complete. Modern operating systems provide a mechanism for terminating hung processes, for instance, with the Unix kill command, or through a graphical means such as the Task Manager's "end task" button in Windows (select the particular process in the list and press "end ...
To clean under the keys on a MacBook keyboard, Apple recommends rotating it and spraying the keyboard with a can of compressed air. Hold the laptop up so that the keyboard is tipped slightly away ...
Each application has an event queue that receives events from the operating system (for example, key presses and mouse button clicks); and if an application takes longer than 2 seconds [10] to process the events in its event queue (regardless of the cause), the operating system displays the wait cursor whenever the cursor hovers over that ...
Keyboard, video, mouse switches (KVM) often use the Scroll Lock key on the keyboard connected to the KVM switch for selecting between computers. On KVM switches with On-screen display (OSD), a "double click" of the Scroll Lock key often brings up the OSD, allowing the user to select the desired computer from a list or access the configuration ...
If you're having problems sending mail, there are a few troubleshooting steps you can take to fix the problem. Restart your computer: If you haven't shut down your computer in a while, we recommend that you begin troubleshooting by restarting your computer.
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The Option key may be labeled Alt, Option, ⌥, or any combination thereof. The Option key, ⌥, is a modifier key present on Apple keyboards. It is located between the Control key and the Command key on a typical Mac keyboard. There are two Option keys on modern (as of 2020) Mac desktop and notebook keyboards, one on each side of the space bar.