Is there a way to disable hard drives from automatically going to sleep mode (spinning down). Energy saver (System preferences) already has 'put hard disk (s) to sleep whenever possible) turned off, so this must be done from the drive itself. The drives in question are a 3.5' ATA drive from Western Digital (WD5000AAKB) and a 2.

• Prevent Hard Drive From Sleep Mac App
• Prevent Hard Drive From Sleep Mac App Store
• Prevent Hard Drive From Sleep Mac Apps

Summary :

This handy Caffeine app can prevent your Mac from entering sleep mode on demand. An icon in the menu bar will allow you to toggle the setting for those occasional times when you need to computer to run uninterrupted. Click on the cup to toggle Caffeine. System settings apply when the cup is empty, and Caffeine is working when the cup is full. Does your Mac’s sleep mode mess with your lengthy tasks such as file downloading? In this article, we’ll explain how to turn off sleep mode on a Mac. Is Windows 10 putting your external hard drives to sleep? This post provides a solution to prevent hard drives from going to sleep. On your Mac, choose Apple menu System Preferences, then click Energy Saver. Open Energy Saver preferences for me. Do any of the following: Set your Mac to go to sleep and wake up at a specific time: Click Schedule in the bottom-right corner, then select the options you want to use. See Schedule your Mac desktop computer to turn on or off. Set the amount of time your computer or display.

You may notice that your hard disk turns off after a specific period of inactivity. This setting is configured using the “Turn off hard disk after” setting in Power Options. This post written by MiniTool will help you prevent hard disk from going to sleep on Windows 10.

Prevent Hard Disk from Going to Sleep

If you configure the “Turn off hard disk after” setting in Power Options, then you can set the specified time (inactive) and then the hard disk will power off. This is done to save battery and thus extend the battery life of your PC.

This setting does not affect the SSD, and once the system resumes from sleep, it will take some time for you to turn on the hard drive before you can access it.

However, you don't want the external hard disk or USB to go to sleep, so don't worry because you can configure each drive or USB to go to sleep or not to go to sleep after a specified time if the PC is idle. The next part is about the methods.

Method 1: Change Plan Settings

First, you can change the power plan. The steps are as follows:

Step 1: Type Control Panel in the Search box, then navigate to Power Options.

Step 2: Next to your currently selected power plan, click the Change plan settings option.

Step 3: Then click the Change advanced power settings link at the bottom.

Step 4: Then you can see the Turn off hard disk after option. You need to change the settings for On battery and Plugged in to specify after how many minutes (of idle time) you want the hard disk to turn off.

Step 5: Click Apply and click OK. Then reboot your PC to save changes.

Then you can check if your hard disk still goes to sleep or not. If the issue persists, you can try the next method.

Method 2: Use Command Prompt

If it’s not successful to prevent hard disk from going to sleep by changing the Turn off hard disk after option. You can use Command Prompt. Here are the instructions.

Step 1: Type cmd in the Search box, right-click the fist result to choose Run as administrator to open Command Prompt.

Step 2: Type the following commands one by one and press Enter:

For “On Battery”: powercfg /SETDCVALUEINDEX SCHEME_CURRENT 0012ee47-9041-4b5d-9b77-535fba8b1442 6738e2c4-e8a5-4a42-b16a-e040e769756e seconds

For “Plugged in”: powercfg /SETACVALUEINDEX SCHEME_CURRENT 0012ee47-9041-4b5d-9b77-535fba8b1442 6738e2c4-e8a5-4a42-b16a-e040e769756e seconds

Step 3: Close Command Prompt and restart your PC.

If you are bothered by external hard drive keeps disconnecting, just use MiniTool data recovery tool to rescue data and then take measures to fix this issue.

Final Words

To sum up, this post has introduced how to prevent external hard disk from sleeping Windows 10. If you have any better solution to do that, please share it in the comment zone.

How do I install OSX on new hard drive from USB?

Prevent Hard Drive From Sleep Mac App

To avoid having to install OS X twice, do the following.

• Insert the flash drive in a USB port on your Mac.
• Start the Mac and hold down the option key.
• Select to boot from the flash drive.
• Use the Disk Utility application to create a single partition to install El Capitan (OS X 10.11).
• Quit the Disk Utility application.

How do I install Mac OS on a new SSD?

With the SSD plugged in to your system you’ll need to run Disk Utility to partition the drive with GUID and format it with Mac OS Extended (Journaled) partition. The next step is to download from the Apps Store the OS installer. Run the installer selecting the SSD drive it will install a fresh OS onto your SSD.

How do I install operating system on new hard drive?

How to install Windows on a SATA drive

1. Insert the Windows disc into the CD-ROM / DVD drive/USB flash drive.
2. Power down the computer.
3. Mount and connect the Serial ATA hard drive.
4. Power up the computer.
5. Choose language and region and then to Install Operating System.
6. Follow the on-screen prompts.

How do I install high Sierra on a new hard drive?

Create a bootable macOS installer

• Download macOS High Sierra from the App Store.
• When it’s finished, the installer will launch.
• Plug in the USB stick and launch Disk Utilities.
• Click the Erase tab and make sure Mac OS Extended (Journaled) is selected in the format tab.
• Give the USB stick a name then click Erase.

How do I do a clean install of OSX from USB?

3: Create a bootable macOS Mojave installer

1. Download new macOS from the App Store.
2. When it’s finished, the installer will launch.
3. Plug in the USB stick and launch Disk Utilities.
4. Click the Erase tab and make sure Mac OS Extended (Journaled) is selected in the format tab.
5. Give the USB stick a name then click Erase.

How do I install OSX on an external hard drive?

Steps

• Download Mac OS X Lion from the Mac App Store.
• Connect the external hard drive you want to install OS X Lion on to your Mac.
• Navigate to Applications>Utilities> and double-click Disk Utility.
• Select the hard drive you connected from the pane on the left within Disk Utility.

How do I install Windows on a new SSD?

How to Install Windows 10 on SSD

1. Step 1: Run EaseUS Partition Master, select “Migrate OS” from the top menu.
2. Step 2: Select the SSD or HDD as the destination disk and click “Next”.
3. Step 3: Preview the layout of your target disk.
4. Step 4: A pending operation of migrating OS to SSD or HDD will be added.

How do I reinstall Mac from scratch?

Choose Reinstall macOS (or Reinstall OS X) from the Utilities window. Click Continue, then follow the onscreen instructions to choose your disk and begin installation. If the installer asks to unlock your disk, enter the password you use to log in to your Mac.

How do you install a new operating system on a Mac?

How to install a fresh copy of OS X on your Mac

• Shut down your Mac.
• Press the Power button (the button marked with a O with a 1 through it)
• Immediately press the command (cloverleaf) key and R together.
• Make sure you’re connected to the internet through Wi-Fi.
• Select Install Mac OS X, then click Continue.
• Wait.

Do you have to format a new hard drive before installing Windows?

Warning – Formatting hard drive information does not permanently erase the data. To format your hard disk during Windows Vista installation, you’ll need to start, or boot, your computer using the Windows Vista installation disc or USB flash drive.

What are the steps in installing an operating system?

Steps

1. Insert the installation disk or flash drive.
2. Restart your computer.
3. Wait for the computer’s first startup screen to appear.
4. Press and hold Del or F2 to enter the BIOS page.
5. Locate the “Boot Order” section.
6. Select the location from which you want to start your computer.

How do I format a new hard drive?

To format a partition using Disk Management, use these steps:

• Open Start.
• Search for Disk Management and click the top result to open the experience.
• Right-click the new hard drive and select the Format option.
• In the “Value label” field, type a descriptive name for the drive.

How do I reinstall my High Sierra?

It is the easiest way to install a fresh copy of an operating system.

1. Connect your Mac to the internet via Wi-Fi or Ethernet.
2. Click on the Apple icon in the upper left corner of your screen.
3. Select Restart from the drop-down menu.
4. Hold down Command and R (⌘ + R) at the same time.
5. Click on Reinstall a new copy of macOS.

Could not find installation information for this machine?

If you are installing mac os on a fresh Hard Drive then rather pressing cmd + R on startup, you need to press and hold only alt/opt key on system startup. In Recovery Mode you have to format your Disk using Disk Utility and Choose OS X Extended (Journaled) as drive format before you click Reinstall OS X.

How do I make a bootable Mac installer for an external hard drive?

How to make a bootable macOS installer

• Plug in an external drive with at least 8GB space (preferably 12GB) as that’s how much the installer will require.
• Launch Disk Utility (press Cmd + spacebar and start to type Disk Utility).

How do I do a clean install of OSX?

Click on Disk Utility then Continue first of all to get your Mac’s hard drive wiped. Select your startup drive on the left (typically Macintosh HD), switch to the Erase tab and choose Mac OS Extended (Journaled) from the Format drop-down menu. Select Erase and then confirm your choice.

How do I reinstall OSX from USB?

Install macOS from the bootable installer

1. Make sure the bootable installer (USB flash drive) is connected to your Mac.
2. Shut down your Mac.
3. Hold down Option/Alt and press the Power button.
4. The startup device list window should appear displaying a yellow drive with Install (software name) below it.

How do I reinstall OSX?

Step 4: Reinstall a clean Mac operating system

• Restart your Mac.
• While the startup disc is waking up, hold down the Command+R keys simultaneously.
• Click on Reinstall macOS (or Reinstall OS X where applicable) to reinstall the operating system that came with your Mac.
• Click on Continue.

Can you install an operating system on an external hard drive?

An external hard drive is a storage device that does not sit inside the computer’s chassis. Instead, it connects to the computer via a USB port. Installing Windows OS on an external hard drive is very similar to installing Windows or any other operating system on an internal hard drive.

How do I make an external drive bootable?

Make a Bootable External Hard Drive and Install Windows 7/8

1. Step 1: Format the Drive. Just place the flash drive in the USB port of your computer.
2. Step 2: Mount The Windows 8 ISO Image Into A Virtual Drive.
3. Step 3: Make The External Hard Disk Bootable.
4. Step 5: Boot Off The External Hard Drive or USB Flash Drive.

Can I install Mac OS on a USB drive?

Download the macOS Sierra installation package from the Mac App Store. Once it has downloaded, follow these steps to create a USB bootable installer. Open Disk Utility (found in the Applications/Utilities folder), select the thumb drive in the sidebar and click the “Erase” button.

How do I reinstall OSX without losing data?

How to Update & Reinstall macOS Without Losing Data

• Start up your Mac from macOS Recovery.
• Select “Reinstall macOS” from the Utilities Window and click “Continue”.
• Follow the onscreen instructions to select the hard drive you want to install the OS on and start the installation.
• Don’t put your Mac to sleep mode or close its lid during the installation.

How do I reinstall Mac OS without recovery mode?

Restart your Mac while holding down the ‘Command+R’ buttons. Release these buttons as soon as you see the Apple logo. Your Mac should now boot into Recovery Mode. Select ‘Reinstall macOS,’ and then click ‘Continue.’

Does reinstall macOS erase data?

Technically speaking, simple reinstalling macOS won’t erase your disk either delete files. You probably don’t need to erase, unless you’re selling or giving away your Mac or having an issue that requires you to wipe.

How do I update my operating system on my Mac?

To download the new OS and install it you’ll need to do the next:

1. Open App Store.
2. Click Updates tab in the top menu.
3. You’ll see Software Update — macOS Sierra.
4. Click Update.
5. Wait for Mac OS download and installation.
6. Your Mac will restart when it’s done.
7. Now you have Sierra.

Prevent Hard Drive From Sleep Mac App Store

Is Mac OS Sierra still available?

If you have hardware or software that isn’t compatible with macOS Sierra, you might be able to install the previous version, OS X El Capitan. macOS Sierra won’t install on top of a later version of macOS, but you can erase your disk first or install on another disk.

How do I start my Mac in recovery mode?

Prevent Hard Drive From Sleep Mac Apps

How to enter Recovery Mode. 1) In the Apple menu choose Restart, or power on your Mac. 2) As your Mac restarts, hold down the Command (⌘) – R combination immediately upon hearing the startup chime. Hold the keys until the Apple logo appears.

Photo in the article by “President of Russia” http://en.kremlin.ru/events/president/news/57071

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