• Open Disk Utility:

• • Go to Applications > Utilities and open Disk Utility

• Select the Drive to Format:

• • In Disk Utility, locate the drive you want to format in the left sidebar. Make sure you select the correct drive (not just a partition)

• Erase the Drive:

• • Click the Erase button at the top of the window
  • Choose the following options:

• • • Name: Give your drive a name
    • Format: Choose a file system format. For macOS, use APFS for newer versions of macOS or Mac OS Extended (Journaled) for older ones
    • Scheme: Select GUID Partition Map if you’re formatting a drive to be used on macOS.

• Start the Format:

• • Click Erase and confirm. The formatting process will begin.

• Finish:

• • Once the process is complete, your drive is now formatted and ready for use.

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Software generates temporary files for short-term data storage. Deleting these files can optimize disk space and system performance.

1. Open Finder

2. Go to the Library folder, which is hidden by default

3. Navigate to the following directories and delete temporary files:

/Library/Caches

/Users/YourUserName/Library/Caches

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Before we start, let’s briefly understand what DNS is. It’s like the internet’s phonebook, translating human-readable domain names into machine-readable IP addresses.

Manual DNS Configuration

Open Network Settings:

• Click the Start button and search for “Network settings”.
• Open the “Network & Internet” settings.

Choose Your Network:

• Select the network connection you want to modify.
• Edit Network Properties:
• Click on “Change adapter options.”
• Right-click on your network connection and choose “Properties.”

Find Internet Protocol Version 4 (IPv4):

In the list of properties, locate “Internet Protocol Version 4 (TCP/IPv4)” and double-click it.

Configure DNS Settings:

• Under the “General” tab, select the “Use the following DNS server addresses” option.
• Enter the preferred DNS server address in the “Preferred DNS server” field.
• Enter the alternate DNS server address in the “Alternate DNS server” field.

Save Changes:

• Click “OK” to save your changes.
• For improved performance and reliability, you might consider using a public DNS resolver.

Automatic DNS Configuration

If you’re using a router or modem, it often handles DNS settings automatically. Check your router’s configuration to see if you can manually set DNS servers.

Troubleshooting

If you’re experiencing issues after changing DNS settings, try the following:

• Flush DNS Cache: Open a command prompt and type ipconfig /flushdns.
• Restart Your Device: Restarting your computer can sometimes resolve DNS-related problems.
• Check Network Connectivity: Ensure you have a stable internet connection.

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BitLocker is like a secret lock for your computer’s hard drive. It scrambles all your files so that they’re unreadable unless you have a special key. Even if someone takes your hard drive out and puts it in another computer, they can’t see your files without that key.

How to set up:

1. Click the Start button and search for “BitLocker” or open Control Panel and you can access it from there.
2. Select the removable USB drive.
3. Press “Turn on BitLocker”.
4. Select “Use a password to unlock the drive”, make sure to create a secure password and press Next.
5. In this step you’ll have to save the recovery key for the selected drive, you can choose which option suits you better.
6. After you make sure that you saved your recovery key press Next.
7. For better security choose “Encrypt entire drive” and press Next.
8. Since we are talking about a removable drive, we are going to choose “Compatible mode” at this step and press Next.
9. Now we can start our encryption by pressing Start encrypting.

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