Lenovo N42-20 Chromebook

Updated on February 4, 2026

Note: The Lenovo N42-20 Chromebook has been discontinued and is no longer available for purchase new. Chrome OS support ended in June 2021. This page is maintained for historical reference.

The Lenovo N42-20 Chromebook launched in May 2016 as part of Lenovo’s education-focused N-Series lineup, designed specifically for K-12 classroom deployments. This 14-inch Chromebook was built from the ground up to survive the rigors of student use, featuring a rubber-bumpered chassis, reinforced corners, and a spill-resistant keyboard rated for up to 330ml of liquid. The N42-20 paired Intel’s Celeron N3060 processor with 4GB of RAM and 16GB of eMMC storage, providing enough performance for basic educational tasks while keeping costs low enough for large-scale school deployments. At 3.3 pounds with a fanless design, the N42-20 offered silent operation that made it suitable for quiet classroom environments where noise from cooling fans could be distracting.

Lenovo N42-20 Chromebook Comparison Chart

	Lenovo N42-20 Chromebook
Price	List Price: $229.99 Amazon Prices: Loading prices...
Model number	---
Performance Rating	2.4
Chromebook Plus	No
Processor	Dual-core 1.60 Ghz (max 2.48 Ghz) Intel Celeron Processor N3060
RAM	4 GB
Internal Storage	16 GB eMMC
Screen Size	14"
Screen Resolution	1366x768
Screen Type	LED
Touch Screen	No
Stylus / Pen	No Stylus Support
Dimensions width x length x thickness	13.1 x 9.1 x 0.9 inches (332.74 x 231.14 x 22.86 mm)
Weight	3.3 lbs (1.5 kg)
Backlit Keyboard	No
Webcam	1280x720
WiFi	802.11 a/b/g/n/ac
Bluetooth	Bluetooth 4.1
Ethernet	No
Cellular Modem	No
HDMI	Full-Size HDMI
USB Ports	2 USB 3
Thunderbolt Ports	No
Card Reader	SD
Battery	3 cell, 45 Wh, Lithium-ion
Battery Life	10.0 hours
Fanless	Yes
Auto Update Expiration Date	June, 2021

Lenovo N42-20 Design and Durability

The Lenovo N42-20 Chromebook was engineered with education environments at the forefront of its design. Lenovo incorporated rubber bumpers along the edges and reinforced corners to protect against drops and impacts—a common occurrence when devices are used by students day after day. The chassis met MIL-STD-810G military durability standards for shock and vibration resistance, giving IT administrators confidence that the devices could withstand typical classroom abuse.

The spill-resistant keyboard was a particularly thoughtful inclusion for education deployments. Rated to channel up to 330ml of liquid away from internal components, the N42-20 could survive a knocked-over water bottle or juice box without suffering permanent damage. The keyboard itself used a standard chiclet layout without backlighting, which kept costs down and reduced potential failure points.

At 13.1 inches wide, 9.1 inches deep, and 0.9 inches thick, the N42-20 was reasonably compact for a 14-inch device. However, the 3.3-pound weight made it heavier than many competing 11-inch Chromebooks that were popular in education at the time. Lenovo positioned the ports practically: full-size HDMI on one side for presentations, two USB 3.0 ports for accessories (which could also support a USB Ethernet adapter for wired networking), a full-size SD card slot for storage expansion, and a combo headphone/microphone jack.

Performance Considerations

The Intel Celeron N3060 processor was Intel’s entry-level Braswell chip, featuring two cores running at 1.6 GHz with burst speeds up to 2.48 GHz. This processor provided adequate performance for the basic computing tasks expected in 2016 classrooms—web browsing, Google Docs, educational web applications—but would struggle with anything more demanding. Opening more than four or five browser tabs simultaneously could noticeably slow the system, and multitasking between multiple applications was not the N42-20’s strength.

The 4GB of RAM provided reasonable headroom for Chrome OS’s lightweight memory requirements during the device’s supported lifespan. However, the 16GB eMMC storage was limiting even by 2016 standards. This minimal capacity encouraged heavy reliance on Google Drive and cloud storage, which was appropriate for the always-connected school environments where the N42-20 was deployed. The SD card slot offered some relief for users who needed local storage for larger files.

One advantage the N42-20 held over some competitors was its fanless thermal design. The Celeron N3060’s low power consumption (6W TDP) allowed Lenovo to cool the system passively without fans. This meant completely silent operation—a genuine benefit in quiet classroom settings and libraries where cooling fan noise could distract students or disturb testing environments.

Display and Connectivity

The 14-inch LED display delivered a standard 1366x768 resolution that was common across budget Chromebooks in 2016. While the larger screen size compared to 11-inch alternatives made text easier to read and provided more workspace for documents, the low resolution meant relatively large pixels were visible up close. The anti-glare coating helped reduce reflections in bright classroom lighting, though the display offered limited viewing angles typical of budget panels.

Wireless connectivity was a relative strength for the N42-20’s price point. The inclusion of 802.11ac WiFi (along with a/b/g/n compatibility) provided faster wireless speeds than many competing education Chromebooks that were still limited to 802.11n. This was particularly valuable in schools with dense WiFi deployments where network congestion could slow down older wireless standards. Bluetooth 4.1 enabled connections to wireless peripherals when needed.

The 720p webcam and built-in microphone supported video conferencing and distance learning applications, though image quality was basic. The full-size HDMI port proved valuable for connecting to classroom projectors and interactive displays without requiring adapters—a practical consideration for teachers using the device for instruction.

Battery and Education Deployment

Lenovo rated the N42-20 for up to 10 hours of battery life with its 45Wh 3-cell lithium-ion battery. This all-day runtime was essential for education deployments where students might not have access to charging throughout the school day. The fanless design contributed to battery efficiency by eliminating the power draw of cooling fans. In practice, battery life varied based on screen brightness, WiFi activity, and the age of the battery itself.

The N42-20 was part of Lenovo’s broader strategy to capture the growing education Chromebook market in 2016. It launched alongside the smaller N22 Chromebook, giving schools options for different grade levels and use cases. Lenovo designed these devices for easy management through Google’s Chrome Management Console, with features that allowed IT administrators to deploy policies, install extensions, and manage fleets of devices across an entire district.

Legacy and End of Support

Chrome OS support for the Lenovo N42-20 Chromebook ended in June 2021, providing approximately five years of automatic updates from Google. After this Auto Update Expiration (AUE) date, the device no longer receives security updates, bug fixes, or new Chrome OS features. This makes the N42-20 unsuitable for continued use in environments where security is a concern, particularly in schools subject to student data protection requirements.

The N42-20 serves as an example of purpose-built education Chromebooks from the mid-2010s era. While its specifications are obsolete by modern standards—limited processing power, minimal storage, and low-resolution display—the device fulfilled its intended role as a durable, manageable, and affordable tool for K-12 digital learning. Schools that deployed the N42-20 have since transitioned to newer devices with faster processors, more storage, touchscreens, and extended support timelines that better serve contemporary educational needs.

Frequently Asked Questions