How to mount a TV or heavy mirror
To mount a TV, buy a wall mount rated above its weight and made for its bolt pattern, then fix the mount with lag bolts into the centers of two studs. Level it before the final tightening and lift the TV on with a helper. A heavy mirror hangs the same way, from studs, never a single nail.
About 60 minutes to learnTake care: injury or damage if careless
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How to do it
- Look up the TV's weight and the spacing of the threaded holes on its back in the manual.
- Buy a mount rated for more than the TV's weight and made for that hole spacing.
- Choose the height with the center of the screen near seated eye level, and find two studs at that spot.
- Hold the wall plate level on the studs, mark the holes, and drill pilot holes into the center of each stud.
- Drive the lag bolts through the plate into the studs with a socket wrench until snug, checking level before the final turn.
- Attach the arms or brackets to the TV with the supplied bolts of the correct length.
- With a helper, lift the TV onto the plate, engage the safety locks, and pull gently to test.
- For a TV on furniture instead, strap the TV and the furniture to the wall with anti-tip straps.
Stop and call a professional if
- There are no studs where you need the mount, or the wall is brick, tile or metal studs you have not worked with.
- You want power run inside the wall: that is a job for a licensed electrician or a rated in-wall kit fitted by one.
- The mount is a long articulating arm or the TV is very large.
Common mistakes
- Mounting into drywall anchors alone for anything heavy.
- Using bolts that are too long for the TV's holes and pushing into the screen.
- Hiding a power cord inside the wall with an ordinary extension cord.
- Lifting a large TV alone.
Quick self-check
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Teach this to someone
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Teach: How to mount a TV or heavy mirror
What to say
To mount a TV, buy a wall mount rated above its weight and made for its bolt pattern, then fix the mount with lag bolts into the centers of two studs. Level it before the final tightening and lift the TV on with a helper. A heavy mirror hangs the same way, from studs, never a single nail.
What to show, in order
- Look up the TV's weight and the spacing of the threaded holes on its back in the manual.
- Buy a mount rated for more than the TV's weight and made for that hole spacing.
- Choose the height with the center of the screen near seated eye level, and find two studs at that spot.
- Hold the wall plate level on the studs, mark the holes, and drill pilot holes into the center of each stud.
- Drive the lag bolts through the plate into the studs with a socket wrench until snug, checking level before the final turn.
- Attach the arms or brackets to the TV with the supplied bolts of the correct length.
- With a helper, lift the TV onto the plate, engage the safety locks, and pull gently to test.
- For a TV on furniture instead, strap the TV and the furniture to the wall with anti-tip straps.
When to stop and call a professional
- There are no studs where you need the mount, or the wall is brick, tile or metal studs you have not worked with.
- You want power run inside the wall: that is a job for a licensed electrician or a rated in-wall kit fitted by one.
- The mount is a long articulating arm or the TV is very large.
The check question
Ask: What should the lag bolts go into?
Related skills
- How to find a stud (with and without a finder)
- Which wall anchor to use
- How to childproof your home
- Every skill in Home Fixes
Words on this page
Sources
- Mount maker's installation instructions, per product. Checked September 28, 2026.
Last reviewed . First published .