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Isometric cutaway of a Mac keyboard top row: function keys firing brightness and volume on the red side, the standard function keys setting switched on and F1 to F12 working in a spreadsheet on the cyan side, with an Azizi Technologies engineer pointing at the setting

Q&A · MacBook Keyboard Replacement Dubai

Function Keys Not Working on Mac? Fix F1 to F12

F1 to F12 changing brightness instead of app shortcuts? Flip one keyboard setting, check app overrides, then test for a failed key, or book a check.

4.9 · 645 reviewsTwo Dubai workshopsMon-Sat 9AM-7PM19 years in Dubai

Quick answer

By default, the top row of Mac keys controls brightness, volume, and media - not F1 through F12. To make them work as standard function keys, open System Settings → Keyboard → Keyboard Shortcuts → Function Keys, then toggle on "Use F1, F2, etc. keys as standard function keys".
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Main workshop
Concord Tower, Media City
Second office
IT Center Building, Bur Dubai
In Dubai since
2007
Google rating
4.9 from 645 reviews
Hours
Mon-Sat 9AM-7PM
Enquiries
WhatsApp or use the quote form on this page

In short

What this service changes

Three things first, the detail below.

How the top row works

Global toggle

F1 to F12 first, media controls behind Fn, in one switch.

How the top row works

Per-app rules

Standard F-keys in Photoshop, Xcode or games only.

How the top row works

External keyboards

Fn Lock or the maker's utility governs third-party boards.

Key takeaways

Key takeaways

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  • By default the top row of a Mac keyboard controls brightness, volume and media; F1 to F12 need the Fn key or a settings change.

A technician switching a customer's top-row keys to standard function keys

If that did not fix it

A dead top row after Safe Mode

Plug in any external keyboard. If its F-keys work, macOS is fine and the fault is inside the laptop: the top row shares a line in the keyboard grid, so a cracked trace or a liquid mark in the membrane kills the whole row while the rest types normally. On 2016 to 2019 Pros the strip is the Touch Bar.

Tell us whether Escape and Fn still respond, because that narrows it to the keyboard or the Touch Bar before the machine is opened. Keyboard row faults mean a top-case replacement; Touch Bar faults mean the strip or its cable. Both start with a free bench check.

How the top row works

The keys are the same, the Mac just decides which meaning comes first.

Every key on the top row has two meanings: a hardware control such as brightness, and a function-key code such as F5. macOS sends the hardware control by default and the F-key when Fn is held. The Function Keys setting swaps that order, and the per-app list swaps it for named apps only.

On Touch Bar MacBook Pros the row is a small display, so the same rule applies but the keys are drawn by software. When the Touch Bar's own controller fails, the row disappears entirely, and no setting brings it back until the strip is replaced.

  • F1 to F12 first, media controls behind Fn, in one switch.

Fingers holding the modifier key while pressing a top-row key with icons on a laptop

The full answer

F-keys do brightness instead of F1? Or nothing at all? Here are both fixes.

By default, the top row of Mac keys controls brightness, volume, and media - not F1 through F12. To make them work as standard function keys, open System Settings → Keyboard → Keyboard Shortcuts → Function Keys, then toggle on "Use F1, F2, etc. keys as standard function keys". Now F1-F12 behave as expected; hold the Fn key to access brightness/media. You can also customise per-app behaviour in the same panel.

If the keys don't respond at all (no brightness, no F-key, nothing), it's hardware or driver. Try: 1) Restart the Mac. 2) Reset NVRAM (Intel only). 3) Boot into Safe Mode. 4) Check the keyboard isn't physically stuck.

On MacBooks 2016-2019 with the Touch Bar, the F-key row is virtual - if the Touch Bar is dead, the strip won't respond. We replace Touch Bars and keyboards at our Dubai workshop.

Make F1 to F12 work as standard function keys

  1. 1Open System Settings and choose Keyboard.
  2. 2Click Keyboard Shortcuts, then Function Keys in the sidebar.
  3. 3Turn on Use F1, F2, etc. keys as standard function keys.
  4. 4Hold Fn when you want brightness, volume or media controls.
  5. 5For a single app, stay in the same panel and add the app to the per-app list instead of switching globally.

When the row does not respond at all

If brightness and volume keys do nothing either, the problem is below the settings. Restart the Mac, then boot into Safe Mode to rule out a software conflict. On Intel Macs, reset NVRAM. Check for a stuck key by pressing each one gently. If the whole row stays dead, the keyboard ribbon, the keyboard itself or, on Touch Bar models, the Touch Bar has failed and needs a bench repair.

Touch Bar MacBook Pro specifics

On 2016 to 2019 MacBook Pros the F-key row lives on the Touch Bar. If the strip is blank, frozen or flickering, restart first; a persistent blank strip usually means the Touch Bar display or its controller has failed. We replace the Touch Bar assembly and, where the digitiser has gone, quote it before any work.

How Azizi Technologies handles this in Dubai

  • Free intake diagnosis at our Dubai Media City or Bur Dubai workshop (or via WhatsApp photos).
  • Written AED price quote before any work begins - no surprises, no hidden fees.
  • Apple Certified Mac Technician on every Mac job; brand-trained technicians for Windows and Linux.
  • 90-day parts-and-labour warranty on every repair.
  • Walk-in only, no appointment: Media City for Marina, JLT and Jumeirah, Bur Dubai for Karama, Deira and Downtown.
  • Same-day service on most common jobs walked in before 11:00.

Setting or hardware

F-keys doing the wrong thing vs F-keys doing nothing

The two symptoms look alike and have opposite causes.

 Wrong behaviour (a setting)No response (hardware)
What happensF1 changes brightness instead of acting as F1.Nothing happens, not even brightness or volume.
FixToggle Use F1, F2 keys as standard function keys.Keyboard, ribbon or Touch Bar replacement.
WhereSystem Settings, Keyboard, Keyboard Shortcuts, Function Keys.Bench diagnosis at Azizi Technologies.
Per-app controlAvailable in the same panel.Not relevant.
Touch Bar models (2016 to 2019 Pro)Touch Bar shows F-keys when Fn is held or the setting is on.A blank or frozen Touch Bar means the strip or its controller has failed.
TimeUnder a minute.Usually same day with parts in stock.

Vendor neutral

Platforms We Support

The device maker and the component vendors behind the repairs on our Dubai bench. Parts are named because grade matters more than the price on the sticker.

  • AppleMacBook Air, MacBook Pro, iMac, Mac mini and Mac Studio across Intel, T2 and Apple silicon.
  • SamsungNVMe SSDs for upgrades on older Intel Macs, and the NAND we recover data from on soldered boards.
  • CrucialSSD and memory upgrades on the Macs that still take them, with the data migrated as part of the job.
  • KingstonSSD and memory alternatives to the Samsung and Crucial parts.
  • Western DigitalExternal and NAS drives we use for pre-repair backups and as migration targets.
  • SeagateBackup and archive drives for the data we copy off a device before it is opened.

Finding us

Office 45, Concord Tower

You will find our main workshop at Office 45, 10th floor, Concord Tower, in Dubai Media City, with a second Azizi Technologies location at the IT Center Building in Bur Dubai. Concord Tower sits by Dubai Internet City metro, and has visitor parking if you drive in (first 15 minutes free, then paid).

No appointment is needed during workshop hours, Mon-Sat 9AM-7PM, Fri break 12-2PM · Sun closed. Walk in with the device for a free diagnosis. Repairs are walk-in only; send photos on WhatsApp first if you want the likely cost before the trip.

Walk in, no appointment

Free diagnosis at either Dubai workshop during workshop hours. We no longer collect repairs; businesses on an AMC can hand devices to the engineer on a scheduled visit.

How a repair runs

Diagnosis first, then a written quote before any work starts, then the repair, tested and returned with the work covered by our warranty.

FAQ

Frequently asked questions

9 direct answers from the Azizi Technologies team.

How do I make the F-keys work without pressing Fn on a Mac?
Open System Settings, Keyboard, Keyboard Shortcuts, then Function Keys, and switch on Use F1, F2, etc. keys as standard function keys. F1 to F12 then act as function keys by default and the brightness, volume and media controls move behind the Fn key.
Can I set function keys for one app only?
Yes. In the same Function Keys panel, add the app to the per-app list. Those apps receive standard F-keys while everything else keeps the media controls, which is the usual setup for design software, development tools and games.
Why does my Touch Bar not show function keys?
The Touch Bar shows F1 to F12 only while Fn is held, unless the Function Keys setting is on or the app is in the per-app list. If it shows nothing at all, or is frozen, restart the Mac; a strip that stays blank has a failed display or controller and needs replacement.
Why do the top-row keys do nothing on my MacBook?
If neither the F-key nor the media function works, the fault is hardware: a keyboard ribbon, the keyboard membrane, or on 2016 to 2019 Pros the Touch Bar. After a restart and a Safe Mode boot rule out software, bring it in for a free diagnosis and a written quote.
Do external keyboards follow the Mac's function key setting?
Apple's Magic Keyboard does. Many third-party keyboards have their own Fn Lock key or a maker's utility that decides the default, and that overrides the Mac. Check the keyboard's manual for Fn Lock, usually Fn plus Escape, before assuming the Mac setting has failed.
Why does holding Fn with a key do nothing either?
Fn is a modifier the Mac reads through the same keyboard grid as the row it modifies. If the row's trace has failed, no combination involving those keys arrives at the Mac. If Fn plus a letter key still works, for example Fn plus the arrow keys for page up and down, then Fn is alive and only the top row has gone.
Can a frozen Touch Bar be reset without a repair?
Often, if it is lit but unresponsive. Open Terminal and run sudo pkill TouchBarServer, enter your password, and the strip reloads within a few seconds. A strip that is completely dark, or that flickers and dies, has a hardware fault in the display or its cable and the command will not bring it back.
Do macOS updates switch the function key setting back?
Occasionally a major update resets the Function Keys toggle and the per-app list, so the brightness and volume controls return. Check System Settings, Keyboard, Keyboard Shortcuts, Function Keys after any big update before assuming the keys have failed. Apps added to the per-app list sometimes need adding again as well.
What are your workshop hours and locations?
There are two Azizi Technologies workshops you can walk into: Office 45 on the 10th floor of Concord Tower in Dubai Media City, near Marina, JLT, Al Barsha and Jumeirah, and G 58 in the IT Center Building, Bur Dubai, near Karama, Deira and Downtown. Both open Monday to Saturday from 09:00 to 19:00, with a Friday prayer break, closed Sunday. Repairs are taken in at the counter only, so pick whichever is nearer.

Talk to the team

Next step

MacBook Keyboard Replacement Dubai

Need help with your Mac or laptop? Contact Azizi Technologies - Dubai's trusted repair experts since 2007. We respond during workshop hours with a written AED quote and the nearer of our two walk-in workshops.

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A technician testing a customer's top-row keys at the walk-in counter

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What needs fixing?

Four short steps, about a minute. Tell us the job once and we reply on WhatsApp with a price or a written scope, not a call-back.

4.9 stars from 645 Google reviews. Most enquiries answered within minutes during opening hours.

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Meet the engineers

Real engineers. Real accountability.

Every job is handled by a certified engineer, the same people clients name in our Google reviews.

  • IT Support Lead

    Usman K., thanked by name in our Google reviews

    Microsoft Certified

    10+ yrs experience

  • Senior Apple Repair Engineer

    Shafeeq Ur Rehman, owner, on the Mac repair and micro-soldering bench

    Apple-certified diagnostics · Board-level repair

    12+ yrs experience

  • Network & Security Lead

    Infrastructure and firewall team

    Cisco CCNA

    14+ yrs experience

  • Data Recovery Engineer

    Drive imaging and board-level recovery bench

    PC-3000 toolchain

    9+ yrs experience

Finding us

Find your nearest Azizi Technologies workshop

Walk in to either Dubai branch for a free diagnosis, or book a visit. Visitor parking at Concord Tower (first 15 minutes free, then paid) (Dubai Media City).

Dubai Media City

Concord Tower, Office 45, 10th floor
Dubai Media City, Dubai

Find us in Concord Tower, Dubai Media City. Visitor parking at Concord Tower (first 15 minutes free, then paid).

Opening hours:
Mon to Sat: 9:00 to 19:00, Friday break 12:00 to 14:00
Sun: closed

Get directions

Bur Dubai

G 58, IT Center Building, 21 21A Street
Bur Dubai, Dubai

Find us on the ground floor of the IT Center Building, with the walk-in repair counter.

Opening hours:
Mon to Sat: 9:00 to 19:00, Friday break 12:00 to 14:00
Sun: closed

Get directions

Azizi Technologies

The numbers behind the Media City workshop

Google rating
4.9★
Verified reviews
645
In Dubai since 2007
19 years
On-site response SLA
4 hours
Remote first response
15 minutes
Dubai walk-in offices
2

Verified Google reviews

What MacBook Repair customers say

Read them on Google
★★★★★ Google review
“Fast, convenient and effective service. They fixed my MacBook keyboard issues in less than 24hrs”

Luu, MacBook keyboard repair · Local Guide

4.9

4.9 stars from 645 Google reviews across both Dubai workshops.