Why Is My Touchpad Not Working?

The key that turns it off

Most laptops have a dedicated way to disable the touchpad, and it exists for a good reason — people typing long documents catch the pad with a palm and lose their place. The trouble is that the same convenience makes it easy to switch off by accident.

Where to look:

• A function key with a touchpad symbol — a small rectangle, often with a line or cross through it. It is usually on one of the F keys, and normally needs the Fn key held at the same time. Which F key varies by manufacturer, which is why generic advice is unhelpful here: look along the row for the icon.
• A small indent or dot in the top-left corner of the pad itself. Some models toggle by double-tapping it, and a few have a tiny light there that shows the state.
• A physical switch, on a small number of older machines.

The tell that this is your problem: the touchpad stopped working suddenly, mid-session, with no update or restart in between. Hardware rarely fails at a keystroke; toggles do.

The setting that disables it when a mouse is connected

Windows and most manufacturer touchpad utilities offer an option along the lines of "leave touchpad on when a mouse is connected". When that is unticked, plugging in any pointing device switches the pad off automatically.

This produces a very specific and confusing pattern:

• The touchpad works at home and not at the desk, or the reverse.
• It stops working when docked and returns when undocked.
• It is dead even though no mouse is visible — because a wireless receiver is still plugged in, or a Bluetooth mouse is connected and asleep in a bag.

That last case is the one that wastes time. The system counts a paired-and-connected Bluetooth mouse as "a mouse is connected" regardless of whether it is in the room. Turning the mouse off, or unplugging its dongle, brings the pad straight back.

In Windows the setting sits with the touchpad options in Settings, under Bluetooth & devices. On machines with a manufacturer's own touchpad utility, it may live there instead, and the two do not always agree.

The master switch in settings

There is also a plain on/off for the device itself.

• Windows: Settings, then Bluetooth & devices, then Touchpad. The top-level toggle is either on or off, and it can be turned off by an errant click or by a utility.
• Device Manager shows the touchpad under mice and other pointing devices. If it has been disabled there, it will not appear in settings at all. A device with a small downward arrow on its icon is disabled rather than broken.
• BIOS or UEFI. A number of business laptops let you disable the internal pointing device in firmware. This survives a Windows reinstall, which is why it turns up as "the touchpad has never worked since I reinstalled". Entering setup at boot and looking for an internal pointing device option resolves it.

If the touchpad is not listed anywhere in Device Manager, and firmware has not disabled it, that is one of the few cases pointing at a genuine hardware or connection problem.

Drivers, and what an update changes

The characteristic driver symptom is not a dead pad but a degraded one: the cursor moves, but scrolling with two fingers stops, gestures stop, and the settings page loses most of its options.

That happens because the specific driver has been replaced by a generic one. The generic driver knows how to move a pointer and nothing else. Common triggers:

• A major system update that swapped the driver.
• A clean install of Windows, where the manufacturer's package was never installed.
• A driver "update" from a third-party tool that installed something generic over the correct one.

The fix is to install the touchpad driver from the laptop manufacturer's own support page for that exact model, not from a driver aggregator. If a recent update caused it, rolling back the driver in Device Manager is a legitimate test.

One more variant: if the pad behaves erratically rather than not at all — jumping, registering phantom taps — that is more often a driver or sensitivity problem than a hardware fault, and the same fix applies.

When it moves but won't click, or won't scroll

Partial failures point somewhere different from total ones.

• Moves but tapping does nothing: tap-to-click is switched off in touchpad settings. Very common after a driver change, because the default differs.
• Moves but physical clicking is dead: on pads with a mechanical hinge, that is usually the button mechanism. On haptic pads with no moving parts, it can be a setting or the haptic module.
• Two-finger scroll stopped: generic driver, or scrolling disabled in settings.
• Cursor jumps while typing: palm rejection is too weak. Increasing touchpad sensitivity settings — counter-intuitively, a lower sensitivity setting — usually fixes it.
• Nothing registers under a fingertip but a knuckle works: the pad is reading dry, cold or callused skin poorly. Capacitive sensing needs conductivity, which is also why it fails through gloves and with very dry hands.

Physical causes, including one that matters

• A swollen battery. This is the one worth knowing. Lithium batteries that fail can expand, and in many laptops the battery sits directly beneath the touchpad. A swelling cell pushes the pad up from below, which first makes clicking feel stiff or permanently pressed, then stops it working. The tell is a pad or keyboard deck that no longer sits flat, or a laptop that rocks on a table. Treat this as a safety issue rather than an inconvenience — a swollen battery should be replaced professionally, not squeezed back into place, and the machine should not be left charging unattended.
• Liquid. Even a small spill that seemed to dry can leave residue that shorts the sensor. Symptoms often include phantom input as well as dead zones.
• A loose ribbon cable, typically after the laptop has been opened for a repair, an upgrade or a battery change. If the pad died immediately after somebody worked on the machine, this is the first suspect.
• Grease and residue on the surface, which mostly causes poor tracking rather than total failure. A slightly damp cloth with the machine off is enough.
• A screen protector or film cut to cover the pad, which some people fit and which can interfere with capacitive sensing.

Macs fail differently

There is no function key toggle, so the causes are a shorter list.

• Check whether a Bluetooth mouse is connected, and whether "ignore built-in trackpad" is enabled in accessibility settings — that option exists and does exactly what it says.
• Force Touch models use haptics rather than a physical hinge. If the click feels dead but the cursor moves, and the machine is off, the click should feel dead — that is normal, and a useful way to confirm the haptic engine rather than the sensor is involved.
• Gestures configured off in trackpad settings account for most "scrolling stopped" reports.
• A swollen battery affects Macs the same way it affects other laptops, with the same warning.

What to check, in order

1. Plug in a mouse so you can navigate, or use Tab and the arrow keys.
2. Look along the F row for a touchpad icon and press it with Fn. Free, instant, and commonly the whole answer.
3. Double-tap the top-left corner of the pad, on models that use that.
4. Disconnect every mouse, including Bluetooth ones and wireless dongles, then test again.
5. Check the master toggle in touchpad settings.
6. Check Device Manager for a disabled device, and whether the touchpad is listed at all.
7. Did it die after a reinstall? Check the BIOS or UEFI for an internal pointing device setting.
8. Gestures gone but cursor works? Install the manufacturer's driver for your exact model.
9. Look at the pad and keyboard deck edge-on. If they are no longer flat, stop and treat it as a swollen battery.
10. Died right after someone opened the laptop? The ribbon cable is the first suspect.