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Category: Apple

Apple Operating Systems and Devices

Chrome Remote Desktop Client Set Up

  1. On client PC open Chrome (or New Edge) and log into client Google account
  2. Browse to Chrome Remote Desktop Set-up page URL below:
  3. In section titled Set up remote access and click download icon
  4. In Chrome Web Store click Add to Chrome to add extension
  5. In Add “Chrome Remote Desktop” dialog click Add extension
  6. Close “Chrome Remote Desktop has been added”

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Mac Show Hidden Files

In Finder to display of Hidden files by type Cmd + Shift + . (dot)

To turn on globally type the following command in Terminal:

defaults write com.apple.finder AppleShowAllFiles -bool true

To revert back to hidden append false:

defaults write com.apple.finder AppleShowAllFiles -bool false

To make the Finder change effective type:

killall Finder

HP 7520 WiFi scanning not working Mac OS High Sierra

If when installing an HP 7520 WiFi printer with HP Easy Start you get a warning that the scanner does not support “Bonjour” then you may end up with a working printer but no scanner!

In most cases this happens because you have a dual band router advertising 2.4GHz and 5GHz on the same SSIDs. In short the HP 7420 only works with the 2.4GHz network.

One solution is to disable the 5GHz network or rename it and only connect the Mac and printer to  the 2.4GHz SSID network.

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Mac Clean Install

The steps below are for Catalina but it should be the same for other versions of macOS.

  1. Ensure you have a Time Machine backup and have iCloud configured to backup important app settings, e.g. Documents, Device Settings, Mail, Contacts, Keychain, etc. and everything is synchronised to the iCloud server.
  2. Make a list of installed Applications for later use as follows:
    • In Finder open Applications folder and press Command+A to select all apps, then press Command+C
    • In TextEdit,

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MAC Cleanup

Check hard disk Integrity to rule out disk faults

Boot the computer up in single user terminal. On chime press Command + S and run file system checker and repair

/sbin/fsck -fy

Reboot as follows:

/sbin/mount -uw /

Repair Permissions

Open Disk Utility and choose your main hard drive from the sidebar (in most Macs there will only be one.) Now click on First Aid and Repair Permissions.

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Firefox about:config Locale Settings

In Firefox URL box enter about:config to view | edit your default locale search and language settings:

  • general.useragent.locale
  • browser.search.countryCode
  • browser.search.region
  • browser.search.isUS

UK values for above  = en.GB, GB, GB, False

Change Yosemite Mail Default Message Font Colour

This is a work around for setting the Message default font colour.

Create a signature with Mail -> Preferences -> Signature selecting the mail account and + button like the one below in blue or desired colour:



Joe Bloggs

Now when you send a new message this signature will appear. If you insert your message between Hello and Regards it will be blue.

AirPort Roaming Network Configuration

The above diagram shows a home Airport network with wired (RJ-45) Airports in the Sitting room, Reception (Time Capsule) and Study (Loft) and a wirelessly connected Airport in the Conservatory connected to a HiFi system using a audio mini-jack port. Due to the proximity of the  Airport HiFi it wirelessly connects to the nearest AirPort Time Capsule in the Conservatory. The wired AirPorts are connected to  the LAN using a straight Ethernet cable connected to the WAN AP WAN Port port and nearest room RJ-45 wall port.

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