> For the complete documentation index, see [llms.txt](https://official-zoin.gitbook.io/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://official-zoin.gitbook.io/documentation/untitled-1/how-to-reindex-mac-os-x-core-wallet.md).

# How to Reindex Mac OS X Core Wallet

This guide will help resolve "**No block source available**" and "**out of sync**" errors on Mac OS X core wallet.

To begin, make sure you have the [latest wallet](https://github.com/official-zoin/zoin/releases) version.

1. Confirm that **Noir Core** is in the \_**Applications Folder,** \_if not, drag and drop there
2. Launch **Terminal**

![](https://zoinofficial.com/wp-content/uploads/2018/03/1.png)

1. **Open** Terminal
2. Copy and paste: `cd /Applications/zoin-qt.app/Contents/MacOS/`

![](https://zoinofficial.com/wp-content/uploads/2018/03/2.jpeg)

Next copy and paste:

`/noir-qt -reindex`

![](https://zoinofficial.com/wp-content/uploads/2018/03/3.jpeg)

**Do not close Terminal until reindex is complete.**