HP CQ57-319WM, CQ57-339WM, CQ57-315NR, CQ57-310US manual RTC battery, Description Spare part number

Page 82

RTC battery

Description

Spare part number

 

 

RTC battery (includes cable and double-sided tape)

646132-001

 

 

Before removing the RTC battery, follow these steps:

1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.

2.Disconnect all external devices connected to the computer.

3.Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer.

4.Remove the battery (see Battery on page 39), and then remove the following components:

●Optical drive (see Optical drive (select models only) on page 40)

●WLAN module (see WLAN module on page 43)

●Keyboard (see Keyboard on page 49)

●Top cover (see Top cover on page 52)

●USB board (see USB board on page 59)

●Power connector cable (see Power connector cable on page 60)

●Display assembly (see Display assembly on page 64)

●System board (see System board on page 71)

Remove the RTC battery:

1.Turn the system board upside down, with the front toward you.

2.Disconnect the RTC battery cable (1) from the system board.

74

Chapter 4 Removal and replacement procedures

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Contents Compaq Presario CQ57 Notebook PC Copyright 2011 Hewlett-Packard Development Company, L.P Safety warning notice Iv Safety warning notice Table of contents Specifications Power cord set requirements Viii Product description ProcessorsChipset Category Description Computer modelsEquipped with an AMD processor Intel processor NorthbridgeMemory PanelHard drives Audio and video WirelessOptical drive select EthernetPorts External mediaCard KeyboardServiceability End-user replaceable parts PowerOperating system Preinstalled RequirementsComponent Description External component identificationDisplay HP HP MediaSmart HPButton ComponentKeys Fn keyLights TouchPad Left side Environmental NoticesRight side Bottom Service tag Illustrated parts catalogIllustrated parts catalog Computer major components Power button board includes cable Component Spare part numberPower connector cable Plastics Kit, includesBattery Wlan module Cable Kit Component Spare part number Cable Kit, includes 646119-001Display assembly subcomponents Mass storage devices Hard Drive Hardware Kit , includesComponent Spare part number HP Smart AC adapter Miscellaneous partsScrew Kit Plastics Kit Sequential part number listing Spare part number DescriptionHard drive bracket, or screws Keyboard cable 646179-001 Thermal paste and pads Service considerations Removal and replacement proceduresPreliminary replacement requirements Tools requiredGrounding guidelines Drive handlingRemoval and replacement procedures Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelComponent replacement procedures Service tagComputer feet Battery Description Spare part numberOptical drive select models only Page Page Wlan module Page Memory module Hard drive Page Page Keyboard Page Page Top cover Page Page Page Power button board TouchPad button board Page USB board Power connector cable Page Speakers Optical drive connector cable Display assembly Page Page Page Page Page Page System board Page Page RTC battery Page Fan/heat sink assembly Page Removal and replacement procedures Page Page Page Processor Page Starting Setup Utility Setup Utility Bios and System DiagnosticsUsing Setup Utility Changing the language of Setup UtilityNavigating and selecting in Setup Utility Displaying system informationExiting Setup Utility Restoring factory settings in Setup UtilityUpdating the Bios Determining the Bios version Using System Diagnostics Specifications Computer specificationsInch display specifications Hard drive specifications Backup and recovery RestoreCreating restore media Performing a system restore Select Start All Programs Recovery Manager Recovery ManagerRestoring using the restore media Changing the computer boot orderBacking up and recovering your information Using Windows Backup and Restore Using Windows system restore pointsCreate a system restore point Power cord set requirements Requirements for all countriesRequirements for specific countries and regions Country/region Accredited agency Applicable note numberBattery RecyclingPage Page Page Page Page Index Hdmi Speaker Kit, spare part number
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CQ57-315NR, CQ57-339WM, CQ57-310US, CQ57-314NR, CQ57-319WM specifications

The HP CQ57 series laptops, including models CQ57-319WM, CQ57-314NR, CQ57-310US, CQ57-339WM, and CQ57-315NR, are designed to cater to everyday computing needs with an emphasis on functionality, affordability, and user-friendly performance.

Each model in the CQ57 series is powered by the AMD Fusion technology, which combines a CPU and GPU on a single chip. This integration provides an enhanced performance for everyday tasks while ensuring energy efficiency, making it suitable for students and home users alike. The series typically features an AMD E-300 or similar dual-core processor, delivering adequate processing power for web browsing, document editing, and light multimedia consumption.

The CQ57 laptops come equipped with a spacious 15.6-inch display, which offers a resolution of 1366 x 768 pixels. This display size is ideal for various activities, including watching videos and browsing the web. The LED-backlit technology enhances clarity and reduces power consumption, contributing to longer battery life.

When it comes to storage, the CQ57 series provides a standard hard drive capacity, typically around 500GB, allowing users ample space for their files, applications, and multimedia content. The inclusion of 4GB of RAM ensures a smooth multitasking experience, enabling users to run several applications simultaneously without significant lag.

Connectivity options are well-equipped in these models, which often include USB 2.0 and HDMI ports, enabling the connection of essential peripherals and external displays. Additionally, built-in Wi-Fi and Ethernet capabilities ensure that users can stay connected to the internet seamlessly.

One of the standout features of the HP CQ57 series is its focus on portability. Weighing roughly 5.6 pounds, these laptops strike a balance between durability and weight. This makes them suitable for users who may need to transport their devices frequently, whether for school, work, or travel.

In terms of operating system, these laptops typically come pre-installed with Windows 7, though upgrades to more recent versions are often possible, ensuring that users receive a modern computing experience.

Overall, the HP CQ57 series, with its variety of models, offers a solid and affordable choice for users seeking reliable performance for daily tasks. With its blend of functionality, decent specifications, and user-friendly features, the CQ57 laptops are a commendable entry in the budget laptop market.
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