Obrigado pela resposta.
Eu identifiquei o nome do processo que está consumindo mais de 30% de processador, sem ele o processador fica na faixa de 30 a 40% de uso. O nome é: draksnapshot-applet
E eu já adicionei os repositórios, fiz a atualização e não aproveitei o /home, pq tbm troquei o hd.
Vi alguns comandos em outros fóruns, num sei se vai ajudar, mas vou colocar aqui.
lspci:
06:02.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02)
iwconfig:
lo no wireless extensions.
eth0 no wireless extensions.
wmaster0 no wireless extensions.
wlan0 IEEE 802.11bg ESSID:"CONFRARIADOSATORES"
Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
Tx-Power=0 dBm
Retry min limit:7 RTS thr:off Fragment thr=2352 B
Encryption key:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
dmesg | grep ndis:
ndiswrapper version 1.53 loaded (smp=yes, preempt=no)
ndiswrapper (check_nt_hdr:150): kernel is 64-bit, but Windows driver is not 64-bit;bad magic: 010B
ndiswrapper (load_sys_files:206): couldn't prepare driver 'bcmwl5'
ndiswrapper (load_wrap_driver:108): couldn't load driver bcmwl5; check system log for messages from 'loadndisdriver'
usbcore: registered new interface driver ndiswrapper
ndiswrapper -l (pra caso for usar o ndiswrapper)
bcmwl5 : driver installed
device (14E4:4318) present (alternate driver: ssb)
bcmwl5a : driver installed
device (14E4:4318) present (alternate driver: ssb)
ifup wlan0:
RTNETLINK answers: No such file or directory
Determining IP information for wlan0... failed; no link present. Check cable?
iwlist wlan0 scan:
wlan0 Interface doesn't support scanning : Network is down
Abraços