![Installing SSD (Solid State Drive) in Your MacBook Pro 13" or 15" Unibody : 24 Steps (with Pictures) - Instructables Installing SSD (Solid State Drive) in Your MacBook Pro 13" or 15" Unibody : 24 Steps (with Pictures) - Instructables](https://content.instructables.com/F4J/VFBC/H0OJ28FW/F4JVFBCH0OJ28FW.jpg?auto=webp)
Installing SSD (Solid State Drive) in Your MacBook Pro 13" or 15" Unibody : 24 Steps (with Pictures) - Instructables
![macos - This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading - Ask Different macos - This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading - Ask Different](https://i.stack.imgur.com/E1BMF.png)
macos - This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading - Ask Different
![Unable to verify macOS" when I try installing the OS on an external SSD. Trying again multiple times didn't help. Any ideas? Filed in Feedback Assistant (FB7434412) : r/MacOSBeta Unable to verify macOS" when I try installing the OS on an external SSD. Trying again multiple times didn't help. Any ideas? Filed in Feedback Assistant (FB7434412) : r/MacOSBeta](https://i.redd.it/ii6pdvcs4jx31.png)