Memory module

NOTE: There are two memory module slots, one above the other. Use the same removal procedure for both slots.

Description

Spare part number

 

 

8 GB memory module (PC3-10600, 1333 mHz, DDR3)

634091–001

 

 

4 GB memory module (PC3-10600, 1333 mHz, DDR3)

621569-001

 

 

2 GB memory module (PC3-10600, 1333 mHz, DDR3)

621565-001

 

 

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.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 41).

5.Remove the service access cover (see Service access cover on page 42).

Remove the memory module:

1.Position the computer with the front toward you.

2.Spread the retaining tabs (1) on each side of the memory module slot to release the memory module. The edge (2) of the module opposite the slot rises away from the computer.

48 Chapter 4 Removal and replacement procedures

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HP LJ461UT manual Memory module, Update Bios before adding memory modules