How to Install a TV Wall Mount on the Wall Safely

Mounting a TV on the wall is no longer something only professional installers can do. By paying attention to a few straightforward details and choosing the right materials, you can secure a set safely on either masonry or drywall, while planning the height, alignment and power points to avoid rework and hazards.

What should you know before you install a TV wall mount on the wall?

For a secure installation, start by working out what type of wall you have. On masonry walls (brick or concrete), fixings are usually more solid and typically use plastic or nylon wall plugs. With drywall, strength depends on the internal metal framework and on using the correct fixings, such as butterfly or toggle anchors.

It’s also important to check the TV’s weight and compare it with the wall mount’s maximum load rating, taking extra care with articulated (full-motion) mounts because they put more leverage on the wall. It’s also wise to avoid damp areas, spots close to door openings and weak corners, and to confirm where any conduit runs so you don’t drill into electrical wiring.

Watch a video from the YouTube channel Manual do Mundo that covers a safe step-by-step method for fixing TV wall mounts, choosing the correct wall plugs, and preventing accidents with heavy screens:

https://www.youtube.com/watch?v=bFw0vN-G3oI

How do you install a TV wall mount on the wall with a simple trick to test how secure it is?

Thinking through the height, centring and level before drilling helps you avoid unnecessary holes and improves viewing comfort. As a rule, aim for seated eye level, positioning the centre of the TV in line with the centre of the cabinet or wall area, and always use a spirit level to prevent any tilt.

Once you’ve decided on the location, follow a practical, no-fuss sequence that keeps the load spread evenly and the fixing points stable:

1. Set the height and centre point: mark the seated eye line and line up the centre of the TV with the centre of the room.
2. Use a spirit level: hold the mount (or its fixing rail) in place and confirm it’s perfectly horizontal with a bubble level.
3. Mark the drill points: use a pencil to mark each hole location, matching the mount’s factory holes.
4. Drill: choose a drill bit that matches the wall plugs, keeping the drill square to the wall.
5. Fit plugs and screws: push the plugs fully into the holes and tighten the screws gradually.

A useful home test is to hang a load close to the TV’s weight from the mount-such as a sturdy bag filled with books or water bottles-and leave it suspended for a few minutes. If you notice any play, vibration or unusual noises, treat it as a sign the fixing should be redone before you hang the TV.

How can you avoid common mistakes when you install a TV wall mount on the wall?

Most problems with DIY installations come down to small oversights that reduce the strength of the fixing points. Knowing what tends to go wrong helps you avoid it-especially with drywall, or on older walls that have already been drilled many times.

Pay close attention to these frequent issues when drilling and fastening, as they can lead to cracks, a crooked mount, or even the TV falling over time:

• Using the wrong wall plug: a basic plug in drywall, or a plug smaller than recommended, weakens the anchor.
• Ignoring the drywall structure: drilling only into the plasterboard without finding the metal studs or using a suitable anchor raises the risk of cracks.
• Drilling near conduit: failing to identify hidden cables and wiring routes can cause short circuits and damage to the electrical installation.
• Skipping the spirit level: a mount that’s not level puts the load onto fewer screws and speeds up wear.
• Over-tightening: too much torque can make the plug spin or strip out, reducing its grip.

Is it really safe to install a TV wall mount on the wall without a professional?

If you follow the steps carefully, use a mount that matches the TV’s weight, and the wall is in good condition, the installation will typically remain secure for many years. In more challenging situations-such as very hollow walls, large drywall spans, or heavier televisions-hiring a professional is still a sensible option.

Safety comes from more than a weight test: it relies on good planning, the correct choice of plugs and screws, following the manufacturer’s instructions, and occasional checks over time. Combined with avoiding extra accessories that overload the mount, this routine helps prevent unpleasant surprises and keeps the setup dependable day to day.