As requested
dmesg | grep ath
ath_pci 0000:08:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
ath_pci 0000:08:00.0: setting latency timer to 64
MadWifi: ath_attach: Switching rfkill capability off.
ath_pci: wifi0: Atheros 5424/2424: mem=0xfa000000, irq=18
ath0: no IPv6 routers present
lsmod | grep ath
ath_rate_sample 9388 1
ath_pci 145738 0
wlan 189571 5 wlan_wep,wlan_scan_sta,ath_rate_sample,ath_pci
ath_hal 323321 3 ath_rate_sample,ath_pci
lsmod | grep wmi
snd_rawmidi 16051 1 snd_usb_lib
snd_seq_device 5214 4 snd_rawmidi,snd_seq_dummy,snd_seq_oss,snd_seq
snd 46023 17 snd_usb_audio,snd_rawmidi,snd_hda_codec_realtek,snd_hda_intel,
snd_hda_codec,snd_hwdep,snd_seq_oss,snd_seq,
snd_seq_device,snd_pcm_oss,snd_pcm,snd_timer,snd_mixer_oss
wmi 4977 0
lspci |grep Atheros
08:00.0 Ethernet controller: Atheros Communications Inc. AR5001 Wireless Network Adapter (rev 04)
dmesg |grep processor
Checking if this processor honours the WP bit even in supervisor mode...Ok.
Detected 1729.044 MHz processor.
Booting processor 1 APIC 0x1 ip 0x6000
Total of 2 processors activated (6915.92 BogoMIPS).
processor LNXCPU:00: registered as cooling_device1
processor LNXCPU:01: registered as cooling_device2
Anything? I won't have access to the computer later today, for a number of weeks, unless I can explain the solution over the phone to a complete beginner. As I said, it only becomes urgent if she decides to get proper broadband.