HP 4540s Spécifications télécharger pdf (Page 72)

6. Lift the top of the Mylar cover (2) from the drive, and then remove the cover from the hard drive

(3).

Reverse this procedure to reassemble and install the hard drive.

Memory modules

NOTE: Primary and expansion memory is installed in a stacked configuration in the bottom of the

computer.

Description Spare part number

2-GB (PC3-12800, 1600-MHz, DDR3) 652972-001

4-GB (PC3-12800, 1600-MHz, DDR3) 641369-001

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.

64 Chapter 4 Removal and replacement procedures

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HP 4540s Spécifications Page 72