4Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.

5Remove the card driver from the operating system.

6If you removed a sound card:

a Enter system setup, select Integrated Audio Controller, and then change the setting to On. b Connect external audio devices to the audio connectors on the back panel of the computer.

7If you removed an add-in network connector:

a Enter system setup, select Integrated NIC Controller, and then change the setting to On. b Connect the network cable to the integrated connector on the back panel of the computer.

PCI Express Cards

Your computer supports:

One PCI Express x1 card

One PCI Express x16 card

One PCI Express x4 card

If you are installing or replacing a PCI Express card, follow the procedures in the next section. If you are removing but not replacing a card, see "Removing a PCI Express Card" on page 97.

If you are replacing a card, remove the current driver for the card from the operating system. If you are installing or replacing a PCI card, see "Installing a PCI Card" on page 86.

Removing and Installing Parts

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Dell YH242 owner manual PCI Express Cards