Wi-Fi light is always on for Satellite F60/033
Hi There,
I have Qosmio F60/033 which is now out of warranty by about 4 months and recently I have noticed that the Wifi light located at the front of laptop is always on regardless whether the laptop is turned on/off.
One thing I can confirm though when I press FN+F8 key I can turn on or off the wifi but that doesn't turn off the light. So I dont think it is to with the key bind must be something to do with the hardware?
Does anyone here knows about this problem with Qosmio F60/033 model? what could be the issue or how can this be resolved?
Thanks in advance.
Hi
From my knowledge there is no hardware switch which would enabled or disable the WLan so using the Fn + F8 should switch ON/OFF the Wlan indicator.
Did you test if Wlan driver installation or update would solve this indicator issue?
Try this out but you said that Wlan can be enabled and disabled properly and only the LED is ON its annoying but in my personal opinion its not really serious issue so you should not be afraid of this
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16:47:47.896426 172.16.3.7.50142 > X.X.X..995: S 2233798023:2233798023(0) win 65535 <mss 1460,nop,wscale 4,nop,nop,timestamp 1306458055 0,sackOK,eol> (DF)
16:47:48.597903 172.16.3.7.50142 > X.X.X.X.995: S 2233798023:2233798023(0) win 65535 <mss 1460,nop,wscale 4,nop,nop,timestamp 1306458755 0,sackOK,eol> (DF)
16:47:48.643500 X.X.X.X.995 > 172.16.3.7.50142: S 0:0(0) ack 2233798024 win 13312 <mss 1321>
16:47:48.644794 172.16.3.7.50142 > X.X.X.X.995: . ack 1 win 65535 (DF)
16:47:48.645639 172.16.3.7.50142 > X.X.X.X.995: P 1:307(306) ack 1 win 65535 (DF)
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16:48:11.094536 172.16.3.7.50144 > X.X.X.X.995: S 2181400205:2181400205(0) win 65535 <mss 1460,nop,wscale 4,nop,nop,timestamp 1306481128 0,sackOK,eol> (DF)
16:48:11.797141 172.16.3.7.50144 > X.X.X.X.995: S 2181400205:2181400205(0) win 65535 <mss 1460,nop,wscale 4,nop,nop,timestamp 1306481827 0,sackOK,eol> (DF)
16:48:12.099393 172.16.3.7.50144 > X.X.X.X.995: S 2181400205:2181400205(0) win 65535 <mss 1460,nop,wscale 4,nop,nop,timestamp 1306482127 0,sackOK,eol> (DF)
16:48:12.400934 172.16.3.7.50144 > X.X.X.X.995: S 2181400205:2181400205(0) win 65535 <mss 1460,nop,wscale 4,nop,nop,timestamp 1306482427 0,sackOK,eol> (DF)
16:48:12.702356 172.16.3.7.50144 > X.X.X.X.995: S 2181400205:2181400205(0) win 65535 <mss 1460,nop,wscale 4,nop,nop,timestamp 1306482727 0,sackOK,eol> (DF)
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16:48:13.006593 X.X.X.X.995 > 172.16.3.7.50144: R 1:1(0) win 0
16:48:13.007379 172.16.3.7.50144 > X.X.X.X.995: . ack 1 win 65535 (DF)
16:48:13.007778 172.16.3.7.50144 > X.X.X.X.995: P 1:307(306) ack 1 win 65535 (DF)
16:48:13.008437 X.X.X.X.995 > 172.16.3.7.50144: R 1:1(0) win 0
16:48:13.009220 X.X.X.X.995 > 172.16.3.7.50144: R 1:1(0) win 0
A normal SYN, which gets repeated 703ms later, then 302ms after that, then 301ms later, then 302ms later. Then a SYN/ACK from the far end 2097 milliseconds after the first SYN. Then yet another repeated SYN from our end 303ms after the last SYN, then immediately an RST. Our ACK follows (probably already dispatched by the Mac before the RST, but arriving at the firewall just after the RST) and a PUSH with the first data. Two more immediate RSTs come back, presumably for each of these data packets.
By comparison, our BSD firewall resends the first SYN 6 seconds after the original, then even slower. Comparsed to 600-700ms, then every 300ms from the Mac. The Mac's resends interact very badly with sat modem TCP acceleration and sat latency.
There seem to be a few things going on here:
Firstly, something is sending too many SYN packets. There is no need to send repeated SYNs every 300ms. Certainly the best round trip latency over a satellite is about 700ms. The coincidence of the satellite latency and the first resend time probably exacerbates things.
Secondly, sending a SYN _after_ the far end's SYN/ACK has come back seems to elicit an RST packet. I think this is because the modem has established state for the connection because it has seen the far end's reply, and is rejecting what it now thinks is an attempt to set up a new connection using the same ports (forbidden).
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Up front, the Mac is producing SYNs too often when starting a connection. This exacerbates the problem into something that happens frequently (when it happens at all). This may be TCP "fast mode", but regardless I cannot seem to turn it off.
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I also suspect this happens with plain HTTP as well, but that browsers hide it by retrying connections. The modem is not going to get fixed.
While I think I'm working around this in my firewall now by diverting all outbound satellite connections through a proxy, many users will not have that option, nor any ability to diagnose the issue. They'll just see "Macs don't work on satellite". I'm not alone; there is a scattering of posts on Whirlpool recounting similar symptoms on satellite with Macs.Hi Peter,
Simultaneous scanning attacks can be achived when the attack is launched with a botnet. At that moment "n" number of systems are launching attack without their knowledge.
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