As a big fan of Apple products, Katrina mainly focuses on macOS troubleshooting tips and Mac data recovery. Meanwhile, she is also expanding her knowledge and skills in writing Windows PC how-to articles like disk management and data backup.
In addition to serving as senior editor of iBoysoft, Katrina's experience includes freelancing for many tech sites, where she edited hundreds of product reviews and tech news. Her articles are in-depth and easy to understand, which help over millions users find answers, solve problems, and get inspired.
Katrina received Bachelor's degree in English from Chengdu Institute Sichuan International Studies University (located in southwestern China). She very much enjoys helping people solve and prevent technology problems themselves.
In her spare time, she likes to read books, paint, watch old movies, and cook for fun.
What to do if iMac/MacBook won't boot past Apple logo and progress bar? Try these feasible tips to recover lost data from unbootable Mac comnputer and troubleshoot your problem on macOS Big Sur 11/Catalina 10.15/Mojave 10.14/High Sierra 10.13/Sierra 10.12.
Get could not find APFS system volume handle error in verbose mode? Unable to boot from APFS volume? Here is tutorial to fix/recover this error on macOS Mojave and High Sierra.
When MacBook Pro won't boot from internal hard drive, will you boot Mac from external hard drive? Fix MacBook hard drive not booting issues by booting from external usb drive and recovering lost data from dead/crashed/failed MacBook Pro hard drive.
Macintosh HD not mounted/showing up in Disk Utility? Learn how to fix Macintosh HD partition or Mac internal hard drive not mounted and recover lost data from Macintosh HD.
Introduce you 6 effective solutions to fix Mac internal hard drive not mounting, Macintosh HD not mounting on Mac and recover lost data from unmountable Mac internal/external hard drive on MacBook Pro/Air/iMac.
About how to fix 'the disk Macintosh HD can't be unlocked' and 'the disk Macintosh HD - Data can't be unlocked' issue without data loss.
Follow this tutorial to fix internal hard drive not showing up on Mac, Finder, in Disk Utility.
Here are 6 solutions to fix MacBook Pro/Air, Mac mini, M1 Mac and iMac won't turn on with a black screen of death issue.
How to repair external hard drive with Mac Terminal? Here are two effective methods: Verify and repair external hard drive from command line or repair external hard drive with fsck. As well as offer you free data recovery software and help you recover lost data from corrupted external hard drive on macOS Big Sur 11/10.15/10.14/10.13/10.12/10.11.
Get the file system check exit code is 8 error in Disk Utility? Here are four solutions to fix file system check exit code is 8 error for Macintosh HD and external drive on macOS Catalina/Mojave/High Sierra/Sierra.
All about fixing external hard drive not showing up on Mac and recover lost data from external hard drives on macOS Big Sur/Catalina/Mojave/High Sierra.
Follow the tutorial to fix Mac won't read SD card, SD card not readable by Mac, and recover data from unreadable SD card on Mac.
Solutions to recover recently deleted files, photos, word documents, videos on Mac and even recover the deleted files emptied from Mac Trash.
8 solutions to fix 'The disk you inserted was not readable by this computer' on USB/SD card/external hard drive/macOS Big Sur/Catalina/Mojave/High Sierra.
Tutorial to repair corrupted USB flash drive on Mac: the best way is to recover lost data from corrupted USB flash drive on Mac and then reformat the drive for reuse.
Fix Seagate Backup Plus drive not showing up, not working, not recognized on Mac, recover data from Seagate Backup Plus drive and reformat
SD card not mounting on Mac or can't see SD card in Disk Utility? Tutorial to mount SD card on Mac and recover lost data from SD cards.
Overall tutorial to recover lost photos, missing files, deleted documents after macOS Big Sur update and how to restore files from snapshots, Time Machine or iCloud backup.
WD My Passport elements are not readable on Mac? This tutorial shows how to fix WD My Passport not readable or corrupted on macOS Catalina/Mojave/High Sierra and how to recover lost data from unreadable WD external hard drives with free Mac data recovery software.
Mac won't restart after Mojave update? Get you cannot upgrade this version of macOS because a new version is installed error in macOS Recovery mode? The best way is to recover lost data from unbootable Mac computer, erase the system disk and reinstall macOS.
Troubleshoot SSD not mounting on Mac. You'll know how to mount SSD on Mac and and recover lost data from unmountable internal and external SSD on Mac.
Cannot mount external hard drive on Mac? Here are tutorial to recover lost data from unmounted external hard drive and three solutions for 'cannot mount external hard drive on Mac'.
Tutorial to fix/repair USB flash drive not mounting issue on macOS Catalina/Mojave/High Sierra and recover lost data from unmountable USB flash drive on MacBook Pro/Air/iMac.
WD external hard drive won't mount on Mac? This tutorial will show you how to fix WD My Passport not mounting/showing up/recognized/detected on macOS Big Sur 11/Catalina 10.15/Mojave 10.14/High Sierra 10.13/Sierra 10.12.
Tutorial to transfer files from broken Mac to a new Mac and recover lost data from dead/crashed/failed MacBook Pro/Air/iMac on macOS Catalina/Mojave 10.14/High Sierra 10.13/Sierra 10.12/10.11/10.10/10.9/10.8/10.7.
Tutorial to fix Toshiba external hard drive not mounting on macOS Catalina/Mojave/High Sierra and recover lost data from unmountable Toshiba external hard drive with free Mac data recovery software.
How to fix WD My Passport greyed out in Disk Utility? Here are tutorials to fix WD My Passport for Mac not mounting and use free Mac data recovery software to recover lost data from unmounted WD My Passport.
Tutorial to fix WD My Passport uninitialized on Mac and recover lost data from uninitialized WD My Passport on macOS Big Sur 11/Catalina 10.15/Mojave 10.14/High Sierra10.13/10.12.
The external hard drive is uninitialized on Mac? Learn how to recover uninitialized disks on Mac with free data recovery software and fix uninitialzed disks on Mac.
Seagate Backup Plus won't mount on Mac? Learn how to fix Seagate Backup Plus not mounting, Seagate Backup Plus not working on MacBook Air/Pro or iMac issue without losing data.
5 solutions to fix Macintosh HD greyed out in Disk Utility/Recovery Mode or Macintosh HD not mounted. Download free Mac data recoevry software to recover lost data from unmountable Macintosh HD.
Can't convert your HDD/SSD/USB drives to APFS on macOS Catalina/Mojave/High Sierra because the Convert to APFS option is not available or greyed out in Disk Utility? Learn how to convert to APFS without data loss.
Fix invalid APFS snapshot and snapshot metadata tree is invalid errors in Disk Utility on macOS High Sierra without data loss.You can also recover lost data from APFS drive whose APFS snapshot is invalid with APFS data recovery software.
Tutorial to fix external SSD not recognized/detected/showing up on Mac and recover lost data from external SSD on macOS Catalina/Mojave/High Sierra.
Fix 'First Aid found corruption that needs to be repaired' error on Mac.You can recover lost data from corrupted startup volume and then fix this error on Mac.
This page shows you how to change encrypted APFS password when Disk Utility change password greyed out and how to recover lost data from encrypted APFS volumes on Mac.
Can't see files on USB drives or files disappeared from flash drives on Mac? Here are 3 solutions to fix USB flash drives not showing files Mac and tutorial to recover lost data from USB drives.
Here is a tutorial to fix AppleAPFSMedia not mounted issue and recover lost data from unmountable AppleAPFSMedia on macOS Catalina 10.15/Mojave 10.14/High Sierra 10.13.
Disk Utility can't repair volume because other APFS volumes in its container are mounted? The best solution is to recover lost data from unmountable APFS drive and then fix the error by reformatting.
Can't see files in external hard drive on Mac (Including Apple Silicon M1 Mac)? Follow the solutions to fix files hidden or not showing in external hard drive on MacBook Pro/Air/iMac.
What should do when getting the error message: Fixing damaged/corrupted partition map. The operation couldn't be complete in Disk Utility? The best way is to recover lost data after partition map damage and then reformat the disk.
Tutorial to fix invalid sibling link error on hard drive via fsck command, recover lost data from invalid sibling link hard drive and then fix the error by reformatting.
AppleAPFSMedia shows uninitialized in Disk Utility? Tutorial to recover lost data from uninitialized AppleAPFSMedia with APFS data recovery software: iBoysoft Data Recovery for Mac.
Troubleshoot WD My Passport for Mac drive not mounting/working issue, recover data when WD My Passport for Mac drive won't mount on Mac.
About how to recover data from crashed/dead Macbook pro hard drive with the simplest and fastest ways. And helps repair and restore your MacBook Pro.
APFS container won't mount? The best way is to recover lost data from unmountable APFS container and then fix unable to mount corrupted APFS container by reformatting.
Solutions to fix MacBook Pro SSD not mounted/booting/recognizing or MacBook Pro volume greyed out on macOS Catalina/Mojave/High Sierra.
Tutorial to fix Mac not recogning external hard drive to access external hdd on Mac again, and to recover lost data from unrecognized external hard drive on Mac.
Simple two steps to fix/repair "APFS object map is invalid" error on macOS High Sierra without losing data: recover lost data from APFS volume with APFS data recovery software, and then perform reformatting.
iMac/MacBook Pro/MacBook Air won't read SD card? Solution to fix SD card not readable on macOS Catalina 10.15/Mojave 10.14/High Sierra 10.13/Sierra 10.12.
Tutorial to recover lost data from deleted/disappeared APFS partitions/volumes/containers with APFS partition recovery software in macOS Catalina 10.15/Mojave 10.14/High Sierra 10.13.
Tutorial to recover lost data from corrupted/failed/crashed BitLocker encrypted drive with professional Bitlocker data recovery software in Windows XP/7/8/10.
Tutorial to recover lost data from dead/damaged/corrupted Seagate external hard drive, recover lost data from Seagate external hard disk not detected on Windows 10/8/7/Vista/XP and Windows Server 2019/2016/2012/2008/2003.
Look at the complete guide to USB flash drive data recovery. Free download best file recovery software to recover lost data from USB flash drive on Windows and Mac.
Tutorial about how to fix JPEG files won't open after recovery and introduce iBoysoft Data Recovery to prevent the recovered JPEG files from being inaccessible.
Tutorial to fix/repair corrupted USB drives, flash drive, Pen drive using CMD command prompt (CHKDSK, Diskpart, etc.) without formatting. Download free USB data recovery software to recover lost data on Windows 10/8/7.
This article teaches you how to fix corrupted hard drive using chkdsk and diskpart cmd and recover lost data from corrupted hard disk in Windows 10/8/7/XP.
Tutorial to fix RAW partition using DiskPart without losing data, DiskPart fix RAW hard drive by converting RAW to NTFS/FAT32/exFAT, recover lost data from RAW partition on Windows 10/8/7.
Meet external hard drive not accessible in Windows 10/8/7? Here is a detailed tutorial to fix external hard drive not accessible and recover lost data from inaccessible external hard drive with free data recovery software.
Tutorial to fix external hard drive not recognized after accidental unplugging on Windows and Mac and recover lost data from external hard drive that was accidentally unplugged.
Free download 7-Data Recovery Suite 4.1/4.2 crack, serial key, keygen, registration code and username to recover deleted/lost files, photos, videos, pictures.
A complete SD card repair guide to fix corrupted SD card that is not reading by Windows or Mac. If your SD card is not working, reading, formatting or detected, here you will learn how to fix SD card on Windows or Mac.
How to disable System Integrity Protection (SIP) in macOS Catalina 10.15/Mojave 10.14/High Sierra 10.13?
Knowing what is the 'Other' in Mac storage before you delete the 'Other' files to free up space for your Mac and manage storage like caches on Mac, which speeds up your Mac performance.
Free download NTFS-3G for macOS Big Sur/Catalina to read, write, copy, edit files on NTFS drives in macOS Big Sur/Catalina/High Sierra.
Here are several solutions to solve Mac external hard drive read-only issue without formatting.
Free download WD NTFS driver for Mac to read/write WD My Passport or Easystore NTFS hard drives on macOS Big Sur 11/10.15/10.14/10.13.
Free download Tuxera NTFS for Mac with full cracked serial number, license key to read/write NTFS drive on macOS Big Sur 11/Catalina 10.15/Mojave 10.14/High Sierra 10.13.
Tutorial to fix Seagate external hard drive read-only on Mac, to change external drives from read-only on Mac, and to read, write to, edit, copy, transfer files on Seagate external hard drive on macOS Catalina/Mojave/High Sierra and Mac OS X.
Free download Mounty for NTFS macOS Big Sur/Catalina/Mojave to read and write NTFS on macOS Big Sur/Catalina/Mojave.
Reset or extend Paragon NTFS for Mac trial period when it is expired, using NTFS for Mac free trial to read and write NTFS drive on macOS Big Sur 11/Catalina 10.15/Mojave 10.14/High Sierra 10.13/10.12 Sierra.
Learn how to mount NTFS drive on Mac, using NTFS mounter to access Windows NTFS external hard drives on Mac with read-write permission on macOS Big Sur, Catalina, Mojave, High Sierra and Mac OS X.