6. Remove the WLAN module (3) by pulling the module away from the slot at an angle.
NOTE: WLAN modules are designed with a notch (4) to prevent incorrect insertion into the WLAN
module slot.
Reverse this procedure to install the WLAN module.
Memory module
Description Spare part number
For use only with HP Compaq 6535s Notebook PC models
2-GB (PC2-6400)
493162-001
1-GB (PC2-6400) 493161-001
2-GB (PC2-5300, 667-MHz, DDR2) 493159-001
1-GB (PC2-5300) 493158-001
For use only with HP Compaq 6530s and 6531s Notebook PC models
1-GB (PC2-5300)
491623-001
1-GB (PC2-6400) 491624-001
2-GB (PC2-5300) 491625-001
2-GB (PC2-6400) 491626-001
Before removing the 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 46).
Component replacement procedures 53