Managed IT · Hardware
Practical replacement cycles for laptops and desktops, the signs a machine is done, and a staggered refresh plan that keeps costs flat.
Practical cycles by device type
Signs a computer is done
Stagger refreshes across years
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Most businesses get good value by planning to replace laptops every three to four years and desktops every four to five years. Those are planning assumptions, not hard rules. Replace sooner when a machine cannot run a supported operating system, is out of warranty and failing, or slows people down every day. Keep machines longer when they are light-use, healthy and still supported. The most important move is to stagger: replace about a quarter to a third of your computers each year instead of all of them at once, so the cost stays steady and no single year becomes a crisis.
Three forces set the clock.
Laptops wear out faster than desktops. They travel, get dropped, run on batteries that degrade with each charge cycle, and have hinges and keyboards that take daily abuse. Desktops sit still and are easier to upgrade, which is why they often last a year or two longer.
One sign alone may justify an upgrade rather than a replacement. Adding memory or a solid-state drive to a healthy three-year-old desktop can buy another year or two. Two or more signs usually mean replace.
Windows 10 is the biggest reason many businesses are replacing machines this year. Microsoft ended support on October 14, 2025. Businesses can buy Extended Security Updates at $61 per device for the first year, with the price doubling each year for up to three years, according to Microsoft. That buys time, not a fix. If a computer cannot run Windows 11, paying for updates on it is usually a bridge to its replacement, not a reason to keep it.
Microsoft says Microsoft 365 apps will keep getting security updates on Windows 10 until October 10, 2028, but support cases on Windows 10 will be asked to move to Windows 11. Use the time to replace in stages, starting with the oldest and least capable machines.
A clear device inventory is one of the things our free Technology Health Assessment looks at. You get a plain-language report the next day rating IT operations, technology spending and business continuity, with next steps in order. The report is yours to keep.
A 32-person firm has 26 laptops and 6 desktops. Nine laptops are more than four years old, and four of those cannot run Windows 11. On a four-year laptop cycle and a five-year desktop cycle, the steady state is about seven laptops and one or two desktops a year.
Year one replaces the four machines that cannot run Windows 11 plus the three slowest older laptops. Year two takes the remaining older laptops and the oldest desktop. From year three on, the firm buys roughly the same number every year, and the budget line stays flat. Each new machine is the same standard model, enrolled in management before it reaches the user. The numbers are illustrative; plug in your own inventory.
Buying outright is simplest and usually cheapest over the full life of the machine. Leasing and device-as-a-service plans spread the cost into a monthly payment and build in a refresh date, which enforces the cycle. Tax treatment differs, so ask your accountant. For reference, IRS Publication 946 sets the maximum Section 179 expense deduction at $2,560,000 for tax years beginning in 2026, which covers most small business equipment purchases. Whether that helps you is a question for your tax adviser.
JLB USA provides managed IT for businesses with roughly 25 to 100 employees, including computer setup, updates and replacement planning. If you are planning a move as well, see our new office IT setup checklist.
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Plan on three to four years for typical office use. Some last longer with light use and good care, but batteries, hinges and warranty coverage usually make the fourth or fifth year the practical end.
Four to five years is a practical planning cycle for office desktops. Memory or solid-state drive upgrades can extend a healthy machine, as long as it still runs a supported operating system.
Only as a short bridge. Business ESU costs $61 per device for the first year and doubles each year, according to Microsoft. Replace machines that cannot run Windows 11 in stages.
Usually not. Replacing everything at once creates a cost spike and the same spike again a few years later. Replace a cohort each year instead.
Confirm files are backed up, remove the device from management, securely wipe or destroy the drive, recycle it through a certified recycler and update your inventory.
