HP 20-k121us Mobile, 20-k127cl Mobile Memory module, Update Bios before adding memory modules

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Memory module

Description

Spare part number

 

 

4-GB (PC3L, 12800, 1600-MHz)

691740-005

 

 

2-GB (PC3L, 12800, 1600-MHz)

691739-005

 

 

Update BIOS before adding memory modules

Before adding new memory, make sure you update the computer to the latest BIOS.

CAUTION: Failure to update the computer to the latest BIOS prior to installing new memory may result in various system problems.

To update BIOS:

1.Navigate to www.hp.com.

2.Click Support & Drivers > click Drivers & Software.

3.In the Enter a product name/number box, type the computer model information, and then click Search.

4.Click the link for the computer model.

5.Select the operating system, and then click Next.

6.Under Step 2: Select a Download, click the BIOS link.

7.Click the link for the most recent BIOS.

8.Click the Download button, and then follow the on-screen instructions.

Before removing a memory module, follow these steps:

1.Turn off 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 the power from the computer by unplugging the power cord from the computer.

3.Disconnect all external devices from the computer.

4.Remove the bottom cover (see Bottom cover on page 23).

5.Remove the rear cover (see Rear cover on page 26).

6.Disconnect the battery cable (see Hard drive on page 27).

Remove the memory module:

1.Spread the retaining tabs (1) on each side of the memory module slot to release the memory module. (The memory module tilts up.)

Component replacement procedures 29

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Contents HP Envy Rove 20 Mobile All-in-One PC Product notice Safety warning notice Iv Safety warning notice Table of contents Computer specifications Hard drive specifications Vii Viii Product description Power requirements Category Description WirelessOperating system Preinstalled Serviceability End user replaceable partsFinding your hardware and software information External component identificationLocating hardware Locating softwareComponent Description FrontLeft side Right side Back Bottom TopLocating the serial number, product number, and model number Illustrated parts catalog728073-001 Computer major components732001-001 Cover bracket Component Spare part numberCapacitor board, includes Converter boardCable Kit Power connector cableAir flow channel Display standMass storage device Miscellaneous parts Wireless keyboardComponent Spare part number AC adapter RJ45-USB adapter dongleSequential part number listing Wireless mouseSpare part number Description Illustrated parts catalog Cable, and Windows button board and cable Preliminary replacement requirements Removal and replacement proceduresService considerations Tools requiredCables and connectors Typical electrostatic voltage levels Grounding guidelinesEvent 10% 40% 55% Packaging and transporting guidelines Material Use Voltage protection level Component replacement proceduresDescription Spare part number Bottom coverPage Page Rear cover Hard drive Page Memory module Update Bios before adding memory modulesAxis capacitor board RTC battery Description Spare part number USB board 728064-001 USB boardAxis capacitor board 728067-001 Page Description Spare part number Converter board 728067-001 Converter boardPage Media card reader board USB connector cable Speakers Page Display stand recess Power button board Remove the cover bracket see X-axis capacitor board on Battery Page Webcam/microphone module Description Spare part number Audio/USB board 728065-001 Audio/USB boardPage Wlan module Page Description Spare part number Air flow channel 728052-001 Air flow channelDisplay panel cable Fan System board Page Heat sink Page Display stand Wireless antennaDescription Spare part number Display stand 728056-001 Middle frame Remove the cover bracket see X-axis capacitor board on Page Power connector cable Page Updating the Bios Starting Setup Utility BiosDetermining the Bios version Downloading a Bios update Using HP PC Hardware Diagnostics UefiDiagnostic section, click HP Uefi Support Environment Downloading HP PC Hardware Diagnostics Uefi to a USB deviceComputer specifications SpecificationsHard drive specifications Creating recovery media and backups Backing up, restoring, and recoveringCreating HP Recovery media Restore and recovery Remove everything and reinstall Windows Using Windows Refresh for quick and easy recoveryWhat you need to know Recovering using HP Recovery ManagerUsing the HP Recovery partition select models only Removing the HP Recovery partitionPage Requirements for all countries Power cord set requirementsRequirements for specific countries and regions Country/region Accredited agency Applicable note numberCemko Recycling Index Jacks
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