I have a HP dv6408nr laptop with a bad hard drive. It has LBA3125818008 on it. Does a replacement drive need this code? Or will any 2.5 hd work? This HP has a drop in type connector. All others I have seen have a slide in to connector plug. Does this LBA mean the drop in connector? Thanks Jay

HP laptops have usually either the "slide in" connection - or a little cable with connector.
LBA has nothing to do with the type of connector, you can use any SATA HDD or SATA
SSD in such standard HP laptops.

If you cant access the original hdd anymore to produce a clone to the new hdd, you will
"miss" the recovery partition for the re-installation of your Windows system. If you are
lucky you made a recovery dvd once you started this system the first time, if not, you
need a Vista oem dvd which fits to your license code (Microsoft lable on the bottom of
your laptop - or beneath the battery pack) plus need to install the drivers (can be donw-
loaded form HP website).

Important for dv6000 series:
They are known to become very hot and burn out the graphic chips.
Clean your fan - carefully blow into system (fan grill) with an air compressor (gas station)

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In addition to what falther has mentioned,
The exact drive that usually came with this model is:
160.0 GB - Serial ATA-150 - 5400.0 rpm