HP 530 - ArchWiki

# HP 530

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Reason: please use the first argument of the template to provide a brief explanation. (Discuss in Talk:HP 530#)

## Wireless

See Wireless network configuration#iwlegacy.

If `lspci -k` shows `Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev01)` the b43-firmware-classicAUR driver will work. See Broadcom wireless.

If `rfkill list all` shows your wireless as Hard blocked and the wireless button does not work a restore factory defaults in BIOS will remove the hard block.

## CPU Frequency Scaling

See the main CPU frequency scaling article.

## Sound and Headphones

If the speakers are not muted when headphones are plugged in, add this line to `/etc/modprobe.d/modprobe.conf`:

    options snd-hda-intel model=laptop

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