Sony PCG-V505: How to Change a Mini-PCI Wireless

Written by leighton sawatzky
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Sony PCG-V505: How to Change a Mini-PCI Wireless
The PCG-V505's original wireless card isn't as fast as newer wireless cards. (laptop image by martini from

The PCG-V505 line of Sony laptops came with internal wireless 802.11b Mini-PCI cards, but wireless technology has progressed since then. The 802.11n is faster, has better reception and more reliable connections. The shape of Mini-PCI cards hasn't changed, though, meaning you can replace the old wireless Mini-PCI card with a newer, faster one. Sony prefers you take your computer to their service centres for maintenance and upgrading, but you can save yourself some money by doing the upgrade yourself.

Skill level:

Things you need

  • Small Phillips screwdriver
  • Anti-static wrist band

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  1. 1

    Open the Control Panel from the Windows Start menu. Click on "Hardware and Sound" and then "Device Manager."

  2. 2

    Open the Network Adapters section, right-click on your current wireless card and select "Uninstall." Confirm you want to uninstall the current card when asked.

  3. 3

    Turn off the computer, remove its battery and disconnect its AC power supply. Wait one hour for the laptop to cool down if it has been in use.

  4. 4

    Turn the laptop over and remove the screw near the battery compartment, in the centre of the casing. Turn the laptop back over.

  5. 5

    Place your fingers behind the top row of keys and lift the keyboard. It should rotate over the touchpad and lay flat there.

  6. 6

    Put on the anti-static wrist band or touch a metal object such as a lamp or the connector panel on the back of the laptop to discharge any static electricity before handling any of the sensitive internal hardware.

  7. 7

    Disconnect the antenna cables attached to the antenna nubs on the wireless Mini-PCI card presently installed.

  8. 8

    Remove the two screws holding the Mini-PCI wireless card in place. One edge of the card should rise slightly as you remove the last screw.

  9. 9

    Pull the installed card gently from the expansion bay.

  10. 10

    Align the edge of the new wireless Mini-PCI card with the slot in the expansion bay. Gently, but firmly, push the card into the slot.

  11. 11

    Press the other edge of the card gently down into the expansion bay and fasten it there with the screws removed from the other card.

  12. 12

    Reconnect the antenna wires to the antenna nubs on the new wireless Mini-PCI card.

  13. 13

    Fold the keyboard back into place and replace the screw in the bottom of the laptop. Insert the battery. Your new wireless Mini-PCI card is now installed in the expansion bay.

  14. 14

    Turn on your laptop and log in to Windows. Windows should automatically detect and install the new wireless card.

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