Why Choose Keith Thomas
• 20 years of experience as a Senior Apple Support Specialist at Apple Computer UK HQ.
• Former Apple Computer UK Mac Support Specialist and Apple Authorised Service Provider background.
• Established and Independent since 2010 for on‑site Apple Support Service – no call centres, no outsourcing, no hardware repairs. Over 25,000+ Apple problems resolved. Unique on-site Apple Support Service. backed up with Independent Apple Telephone Support Assistance.
• Trusted by home users, small businesses, and professionals across London and the South East UK.• Clear, honest, software‑only support. No Hardware Repairs. Expert Apple Consultancy Service.
On‑site Apple Mac Support in London and the South East UK
What this page covers
This guide explains the real reasons Gmail stops working on a Mac, the steps you can try yourself, and when it’s time to get professional on‑site help. It applies to:
• Apple Mail with Gmail
• Outlook for Mac with Gmail
• Gmail in browsers such as Safari and Chrome
If Gmail won’t send or receive emails, keeps asking for your password, shows “Account Error”, or won’t load in your browser, this page is for you.
The most common reasons Gmail stops working on a Mac
These are the issues that Keith Thomas identifies most often during on‑site visits:
• Incorrect Gmail password
• Google account security blocks
• App‑specific password required
• Damaged Mail or Outlook preferences
• macOS update issues
• Keychain conflicts
• Browser cache problems
• Corrupted user account
Quick checks you can do yourself
These steps solve around 60% of Gmail issues.
Check 1 – Restart the Mac
A restart resets Mail, Outlook and network services.
Check 2 – Check your Gmail password
Gmail often stops working after password or security changes.
Check 3 – Update macOS
Mail and Gmail fixes are often included in macOS updates.
Check 4 – Check Google Account security
Visit myaccount.google.com → Security → check for alerts.
If Gmail shows “Account Error” in Apple Mail
This usually means:
• Incorrect password
• Google security block
• App permissions revoked
Try:
• Re‑entering your Gmail password
• Approving the login on your phone
• Restarting the Mac
If Gmail won’t send emails
This usually means:
• Outgoing server issue
• Incorrect SMTP settings
• Google security block
Try:
• Mail → Settings → Accounts → Server Settings
• Restarting the Mac
• Checking Google Account security alerts
If Gmail won’t receive emails
This usually means:
• Authentication issue
• Damaged mailbox index
• Server connection issue
Try:
• Mail → Mailbox → Rebuild
• Restarting the Mac
• Updating macOS
If Gmail won’t load in Safari or Chrome
This usually means:
• Browser cache issue
• Extensions blocking Gmail
• Network restrictions
Try:
• Clearing browser cache
• Disabling all extensions
• Restarting the Mac
If Gmail keeps asking for your password
This usually means:
• Keychain conflict
• Authentication token expired
• Google security block
Try:
• Removing old Gmail passwords from Keychain
• Restarting the Mac
• Approving the login on your phone
If Gmail issues started after a macOS update
This usually means:
• Mail database reset
• Keychain reset
• Account re‑authentication required
Try:
• Re‑entering your Gmail password
• Restarting the Mac
• Updating all apps
If Gmail works on another user account
This usually means:
• Corrupted user account
• Damaged Mail or Outlook preferences
• Permissions issues
Try:
• Testing Gmail on another user account
• Restarting the Mac
• Reinstalling macOS without erasing data
When DIY stops working
You should get on‑site help if:
• Gmail refuses to sync at all
• Gmail crashes or freezes in Mail or Outlook
• macOS reinstall does not fix the issue
• Gmail works on your phone but not your Mac
• You need your data preserved
These issues usually require:
• Gmail and account configuration repair
• macOS recovery
• Data‑safe macOS reinstall
• User account repair
• Permissions and system file diagnostics
On‑Site Apple Mac Support – London & South East UK
If Gmail is not working on your Mac, Keith Thomas provides an often same‑day on‑site support service across:
• Central London
• West, North, South and East London
• Surrey
• Berkshire
• Hampshire
• Wiltshire
Keith Thomas is a Mac Support Specialist in:
• Gmail and email account issues
• Apple Mail and Outlook configuration
• macOS configuration repair
• Data‑safe macOS recovery
• macOS reinstall and repair
• New Mac setup and migration
• User account and permissions diagnostics
Book on‑site help in London and the South East UK
If Gmail is not working on your Mac, Keith Thomas can visit your home or office and get you working again.
Keith Thomas – Apple Mac Support Specialist
Established 2010 – Open 09:30–20:30, 7 Days
Contact Keith Thomas by Telephone: 07800 940756 or by Text to: 07800 940756, or simply complete an online website contact form 24/7