Lenovo 23.8" IdeaCentre A540 Multi-Touch All-in-One Desktop Computer





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Key Features
  • 1.8 GHz Intel Core i5-9400T Six-Core
  • 8GB DDR4 | 1TB HDD
  • 23.8" FHD 1920 x 1080 Touchscreen
  • Integrated Intel UHD Graphics 630

More details

Stay productive with the Lenovo 23.8" IdeaCentre A540 Multi-Touch All-in-One Desktop Computer.

The 23.8" display features a Full HD 1920 x 1080 resolution and a 16:9 aspect ratio. The IPS panel allows for wider viewing angles. Visuals are handled by integrated Intel UHD Graphics 630. You can also output video to an external display via HDMI.

The system is powered by a 9th Gen 1.8 GHz Intel Core i5-9400T six-core processor. It also has 8GB of 2666 MHz DDR4 RAM, a 1TB 2.5" SATA 5400 rpm HDD, an SDXC media card reader, Gigabit Ethernet, Wi-Fi 5 (802.11ac), Bluetooth 4.0, and a webcam. A keyboard and mouse are included. Windows 10 Home (64-bit) is the installed operating system.

Windows 10

Start Menu

After its hiatus in Windows 8, the Start Menu has returned. Utilizing a combination of the traditional menu system and Windows 8's Live Tiles, the improved Start Menu gives you more information at a glance, showing notification information alongside your applications and other pinned items.


Microsoft's digital personal assistant, Cortana can answer your questions with information gleaned from both your device and the internet at large. You can type or even talk with her, if your system has a microphone. Using her Notebook, Cortana keeps track of your needs and wants, and she learns over time to improve her information gathering skills.

Microsoft Edge

After nearly 20 years, Microsoft has finally replaced its Internet Explorer web browser. With Microsoft Edge, users can write directly on web pages and share notes with friends and colleagues. It also improves the online reading experience by adding a distraction-free mode and read-it-later functionality. Edge also has built-in Cortana integration; you can have her help you find a restaurant, make a reservation, and pull up directions without leaving your browser.

Windows Store

For Windows 10, Microsoft has unified the Windows Store. Now, apps for PCs, tablets, and phones will all be accessible from one place. And with support for Universal Apps, one version of an app can work across all your compatible devices automatically.

Windows Continuum

Windows 10 was designed for a variety of screen sizes and input styles, and with its Continuum feature, it automatically adapts to fit your needs. A Windows 10 tablet on its own requires a touch-centric approach, but attaching a mouse and keyboard will shift everything to a more traditional interface. You can even attach an external monitor to your Windows 10 phone for a near-desktop experience. But it's not just the operating system; Windows Universal Apps take advantage of Continuum as well.

Xbox on Windows 10

Gaming is a big focus of Windows 10. Xbox integration allows for PC players to match up against Xbox One players on supported games, and if you have an Xbox One, you can even stream compatible titles to your PC. Native support for recording with the new Game DVR feature makes it easy to capture and share your gameplay. The new DirectX12 takes better advantage of multi-core processors, giving games a performance boost, even on older hardware. Windows 10 also features native support for virtual reality headsets, such as the Oculus Rift.

Lenovo A540 Specs

Operating SystemWindows 10 Home (64-Bit)
CPU1.8 GHz Intel Core i5-9400T 6-Core
Maximum Boost Speed3.4 GHz
L3 Cache9 MB
Memory Type2666 MHz DDR4
Total Installed Memory8 GB
Memory Configuration8 GB
Maximum Memory Capacity16 GB
Graphics TypeIntegrated
GPUIntel UHD Graphics 630
Panel TypeIPS
Aspect Ratio16:9
Resolution1920 x 1080
Maximum Brightness250 cd/m2
Storage and Expansion
Total Installed Capacity1 TB
Hard Disk Storage1 x 1 TB 2.5" SATA (5400 rpm)
Optical DriveNone
Ports3 x USB Type-A (USB 3.1 / USB 3.2 Gen 2)
2 x USB Type-A (USB 2.0)
Display1 x HDMI Input
1 x HDMI Output
Audio1 x 1/8" / 3.5 mm Headphone/Microphone Input/Output
Built-In Speakers2 x 3 W and Subwoofer
Built-In MicrophonesYes
Media Card Slots1 x SD/SDHC/SDXC
Ethernet1 x RJ45 (Gigabit)
Wi-FiWi-Fi 5 (802.11ac)
MU-MIMO Support1 x 1
Keyboard & Mouse
KeyboardUSB Full-Size Keyboard
Pointing DeviceUSB Mouse
SecurityPower-On Password
AC Input Power100 to 240 VAC, 50 / 60 Hz
Dimensions25.7 x 21.3 x 9" / 65.28 x 54.1 x 22.86 cm
Weight23.15 lb / 10.5 kg
Packaging Info
Package Weight23.925 lb
Box Dimensions (LxWxH)25.9 x 21.4 x 9"

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