HP consumer dv7-6b56nr notebook a1t84uar#aba Manuale Utente

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Maintenance and Service Guide
Removal and replacement procedures
Hard drive
The hard drive spare part kit (spare part number 517639-001) includes left and right bracket rails, a connector 
cable, Mylar cover with tab, and 4 rubber isolators. 
Before removing the hard drive, 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 
). 
5. Remove the primary hard drive cover (see 
). If you are removing the 
secondary hard drive, remove the secondary hard drive cover also (see 
In order to remove the secondary hard drive cover, the primary hard drive cover must be removed first. 
This computer has two hard drives in two separate hard drive bays. The following procedure can be used to 
remove a hard drive from either hard drive bay.
Remove the hard drive:
1. Position the computer upside down with the front toward you.
Description 
Spare part number 
500-GB, 7200-rpm (select models only)
574640-001
500-GB, 5400-rpm
509417-001
320-GB, 7200-rpm 
509413-001
320-GB, 5400-rpm
509415-001
250-GB, 7200-rpm
509412-001
250-GB, 5400-rpm
509414-001