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#Reset mouse for mac acting weird how to

Changing display resolution on every startup (or no changes at all).

Problem with the sound output or volume levels.

Lagging issues (the legendary rainbow spinning wheel doesn’t show up).

A question mark when you power on your Mac.

Different disk boot-up than the one set in Startup Disk preferences.

If you have problems related to the settings controlled by NVRAM or PRAM (and if a simple restart does not help), resetting NVRAM or PRAM will solve the issue. Why and when should you reset the NVRAM or PRAM? On Mac notebooks (MacBook Air and MacBook Pro), there is already a battery inside. This ensures that even if you switch off or remove the main power cord on your iMac, things work correctly. There is a small battery in Mac desktops to prevent the loss of these essential pieces of information. NVRAM and PRAM are small, always-powered memory that holds Mac’s configuration information like the startup disk, screen resolution, time zone, volume, and more. What is the work of NVRAM and PRAM on Mac? Note: If you own a Mac with Apple Silicon, the following guide does not apply to you.

#Reset mouse for mac acting weird how to

Let me tell you more about each and show you how to reset NVRAM or PRAM to fix specific Mac problems. NVRAM ( non-volatile random-access memory) on Intel-based Macs and PRAM ( Parameter RAM) on old PowerPC are responsible for storing your Mac’s settings. You may need to reset NVRAM or PRAM on Mac to fix the issue! Is your Mac running normally after using these steps? Share with us in a comment.Is your beloved Apple device, Mac acting… weird? If you are facing trouble booting it or its volume, mouse scroll, or display settings are all messed up, you may need to do more than restarting it. If your Mac has been misbehaving, resetting the PRAM or SMC (or both) will get it back to operating as you expect it to. These tests contain a suite of diagnostics that test your Mac for hardware issues, suggest solutions, and help you contact Apple Support for further assistance. If a PRAM/NVRAM or SMC reset doesn’t help, try using the Apple Diagnostics or Apple Hardware Test (for Macs introduced before June 2013). Wait another 5 seconds and then press the Power button to turn on the computer. Press and hold the Power button for 5 seconds, reinstall the battery, and then press the Power button to turn on the Mac.įor desktop Mac computers without the Apple T2 Security Chip, shut down the Mac, unplug the power cable and wait 15 seconds before plugging the cable back in. If you have a Mac notebook with a removable battery, shut down the Mac and remove the battery.

Release the four keys after 10 seconds and press the Power button to turn on the Mac.

Release the keys after 20 or so seconds and your Mac will appear to restart.

To reset PRAM/NVRAM, shut down your Mac, power it on and press and hold the Option, Command, P and R keys together at the same time.

Resetting the PRAM/NVRAM on your Mac sets the hard drive as the startup disk and restores the default hardware settings. Plus, you need to disconnect all speakers, dongles, drives, external displays, and keyboards so that nothing will interfere with the resetting process. You can back them up to an external drive or a USB key. Resetting your Mac should be a last resort when troubleshooting options such as rebooting and other tricks to speed up a slow computer fail.īefore you can reset the PRAM and SMC on your Mac, have a recent backup of all your critical stuff. Bouncing Dock icons keep bouncing without opening the related apps.Power indicator not displaying or displaying incorrectly.Mac doesn’t respond properly when you open or close the lid.

Mac runs unusually slowly even with little CPU usage.

Battery doesn’t appear to be charging properly.

Keyboard backlight, battery indicator light, display backlight, and status indicator lights behave incorrectly.

Such issues include but aren’t limited to: