How to Set Up a Dual Monitor Stand | Desk Setup, Done Right

Setting up a dual monitor stand takes about 20 minutes, and the key is mounting the monitors before you fully tighten the arms.

If you’ve ever balanced a laptop on a stack of books, you know the appeal of reclaiming your desk. A dual monitor stand does that by lifting both screens off the surface, freeing space and putting your displays at eye level. The setup process itself is mechanical, but getting it right the first time prevents a wobbly desk and a scratched panel. Here is the order that works.

What You Need Before You Start

Most dual monitor stands share the same core parts: a base, a central pole, two arms, and VESA mounting plates. Before you open the box, check that your monitors have the right holes. The vast majority of modern displays use the VESA standard, with mounting patterns of 75×75 mm or 100×100 mm. You can find this spec in your monitor’s manual or on the manufacturer’s website.

You will also need to pick the correct screws. StarTech’s documentation for its horizontal dual-monitor stand is specific: flush-install monitors use M4x12 mm screws, while recessed-install monitors use M4x30 mm screws with plastic spacers. A vertical dual-monitor stand manual from the same brand says to determine your mounting-hole depth and choose M4x12 mm or M5x12 mm screws accordingly. Using the wrong length can damage the monitor or fail to hold it securely, so measure twice.

Finally, clear a workspace. You’ll want a flat, stable surface for the base and a soft, clean area—like a towel on a table—to lay your monitors face down while you work.

Assembling the Base and Pole

Start with the foundation: the base and the pole. StarTech’s manual for its horizontal dual-monitor stand directs you to insert M6x15 mm screws through the baseplate into the pole, then tighten them with the M4 Hex Key. This joint needs to be solid. A loose base makes the entire stand unstable, and you don’t want to discover that after both monitors are hanging off it.

On some stands, this is where you set the height. The horizontal stand manual describes sliding the Height-Adjustment Ring to your desired level and tightening the lever. On a vertical dual-monitor stand, you assemble the lower pole to the baseplate and then slide the VESA mounts to the desired height before tightening the screws. Either way, the principle is the same: lock the pole to the base first, then position the moving parts.

If your stand has a crossbar, as many horizontal models do, slide it down the pole and secure it with the set screws before you attach anything heavy.

Mounting the Monitors on the VESA Plates

This is the step where most people go wrong, and the fix is simple: put the monitor on the plates before you put the monitor on the stand.

Lay your monitor face down on that soft surface you prepared. Align the VESA plate with the mounting holes on the back of the panel. Insert the correct screws—M4x12 mm for a flush back, or M4x30 mm with spacers for a recessed back—and tighten them evenly. Do not overtighten. The manuals repeatedly warn against this, because you’ll likely need to adjust the tilt and position after mounting, and stripped threads are a permanent problem.

Once both monitors have their plates attached, you’re ready to hang them. This is a two-person job. The StarTech manuals recommend mounting with assistance to maintain balance and prevent tipping. One person lifts the monitor, aligns the plate with the arm, and secures the locking mechanism or screws while the other steadies the stand and guides the second screen into place.

After both monitors are on, you can fine-tune. Loosen the thumbscrews on the crossbar plates to slide them left or right, use the height-adjustment screws to move the VESA mounts up or down, and adjust the tilt on each monitor. Then tighten everything back down.

The final task is cable management. Route the cables along the arms and down the central pole, securing them with the included clips. This is what turns a functional setup into a clean one, and it keeps the cords from snagging when you adjust the screens later.

Balancing the Load and Avoiding Common Mistakes

If your desk wobbles or the stand leans, the problem is almost always the order of operations. The manuals are consistent: assemble the base fully, attach the plates to the monitors, and only then mount the panels and make adjustments. Mounting monitors before the stand is fully tightened invites instability.

The other common pitfall is the wrong screw. Recessed monitor backs require spacers; without them, the screws bottom out and the plate hangs loose. If your monitor lacks a 75×75 mm or 100×100 mm pattern entirely, the stand won’t fit without an adapter—or at all. Check that spec before you buy.

One more thing to consider is the combined weight. If you have two 32-inch panels, confirm your stand’s rated capacity. A stand rated for two 24-inch monitors will struggle with a much heavier pair.

Setup, as you’ve seen, is a hardware task—no software, no account, no region settings involved. Once the stand is assembled and the monitors are mounted, your operating system will handle the display arrangement on its own.

If you’re still shopping for a stand and want to compare tested models, our reviewed lineup of the best 2 computer screen stands breaks down weight limits, build quality, and value to help you pick the right one for your desk.

Once your monitors are mounted and cables are tucked, the payoff is immediate: a clear desk and screens at the right height. The whole process, done carefully, takes about twenty minutes and tools you already own.