Memory
Description Spare part number
Memory
For use with products with Intel 6th generation processors:
2 GB 2133 MHz 1.2v DDR4 shared, not for products with AMD Radeon hybrid graphics 851379-005
4 GB 2133 MHz 1.2v DDR4 shared 820569-005
8 GB 2133 MHz 1.2v DDR4 shared 820570-005
For use with products with Intel 7th generation processors:
2 GB 2400 MHz 1.2v DDR4 shared 864271-855
4 GB 2400 MHz 1.2v DDR4 shared 862397-855
8 GB 2400 MHz 1.2v DDR4 shared 862398-855
IMPORTANT: Make special note of each screw and screw lock size and location during removal
and replacement.
Before removing the memory, follow these steps:
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 http:\\www.hp.com.
2. Select Support > Support & drivers.
3. In the Enter my HP model number box, type the computer model information, and then select Find my
product.
-or-
Select Identify now.
4. Select the link for the computer model.
5. Select the language and the operating system.
6. Under the downloads heading, select the BIOS link.
7. Select the link for the most recent BIOS.
8. Select the Download button, and then follow the on-screen instructions.
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
42 Chapter 5 Removal and replacement procedures for authorized service provider parts
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