编辑 HP EliteBook 840 G9

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Repair guides and disassembly information for the HP EliteBook 840 G9 laptop. Released in January of 2022.

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== Background ==

The HP EliteBook 840 G9, released January 2023, is a business-focused laptop designed for professionals who need a balance of performance, portability, and security. It's one of many laptops in the [[Topic:HP EliteBook 840 Series|HP EliteBook 840 series]] and is equipped with Intel Core processors, offering powerful multitasking capabilities. The 14-inch display provides a sharp resolution and options for touchscreen and anti-glare finishes, while the sleek, lightweight chassis makes it easy to carry.

== Identification ==

The model and serial number (***S/N***) of your HP laptop are printed on the bottom cover. This laptop will have ***HP EliteBook 840 G9*** printed just below the ***ProdID***.

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If you can't read the information on the bottom of your laptop, you can get the model and serial number of your laptop via software. The first option is to open the ''HP Systems Information'' window. To do this, simultaneously press the Function (***Fn***) and Escape (***Esc***) keys. The window should open and display your product information. A second option is to check through ''Windows Settings''. First, click the Windows ***Start*** button and select ***Settings*** (the gear icon). Then, navigate to ***System*** > ***About*** and scroll down to see your device specifications.

== Technical Specifications ==

=== Processor ===

* Intel i5/i7

=== Memory ===

* Standard
** 2 SODIMM slots
** DDR5‑4800 SDRAM (system runs at 4800 MT/s)
** Dual channel memory support
* Maximum: 64 GB

=== Graphics ===

* Intel Iris Xe (integrated)

=== Display ===

* 14‑inch (diagonal)
* Many options for both touch and non‑touch displays
* Dual display support through the dock
* HDMI 2.0 Support resolution up to 4K at 60 Hz

=== Storage ===

* M.2 SSD
* 256GB / 512GB / 1TB / 2TB

=== Networking/Communication ===

* WLAN
** Intel AX211 Wi-Fi 6E and Bluetooth 5.2 M.2 1216 160 MHz CNVi worldwide vPro
** Intel AX211 Wi-Fi 6E and Bluetooth 5.2 M.2 1216 160 MHz CNVi worldwide non-vPro
* WWAN (optional, requires factory configuration)
** Intel 5000 5G Solution WWAN
** Intel XMM 7560 R+ LTE-Advanced Pro WWAN
* NFC
** HP Module with NXP NFC Controller NPC300 I2C NCI

=== Input and Output (I/O) ===

* Ports
** 2x Thunderbolt 4 with USB4 Type-C ports; 40 Gbps signaling rate (USB Power Delivery, DisplayPort 1.4)
** 2x USB 3.2 Gen 1 Type-A ports; 5 Gbps signaling rate (one charging port)
** 1x HDMI v2.0 port
** 1x Headphone/microphone combo jack
** 1x AC power input port
* Slots
** 1x Nano security lock slot (lock sold separately)
** 1x Smart card reader (optional)
** 1x Nano SIM card slot (for WWAN configurations only)

=== Battery ===

* Up to 10 hours 15 minutes (38 Wh battery) 15 W
* Up to 13 hours 30 minutes (51Wh battery) 28 W
* Up to 14 hours (51Wh battery) 15 W

=== Dimensions ===

* Weight: starting at 1.36 kg (3.0 lb)
* W x D x H: 31.56 x 22.405 x 1.92 cm (12.42 x 8.82 x 0.76 in)

''For in‑depth specifications, [link|https://support.hp.com/us-en/document/ish_6262387-6262573-16|click here].''

== Additional Links ==

* [link|https://www.pcmag.com/reviews/hp-elitebook-840-g9|PCMag Review: HP EliteBook 840 G9]
* [link|https://en.wikipedia.org/wiki/HP_EliteBook|Wikipedia: HP Elitebook]
* [link|https://support.hp.com/us-en|HP Support]

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2个文档添加一个文件

HP EliteBook 840 G9 User Guide

HP EliteBook 840 G9 Service Manual

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