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comment In wireless networks what does DTIM do, and can it increase wireless network performance?
@SilverMoon - This theory is also supported by what happened next. As time wore on, more and more problems started to appear - power button not working; every other call rebooting the phone before I can see who is calling; etc. A colleague of mine who also had the same phone also had hardware problems, albeit different. In the end I just gave up and got a new phone. This time, a HTC.
Aug
14
comment In wireless networks what does DTIM do, and can it increase wireless network performance?
@SilverMoon - I used BetterBatteryStats in hopes to find the misbehaving app (gmail?), but no luck either. There was nothing in the logs that would indicate huge activity. What's weirder - BetterBatteryStats reported that the phone spent most of the time (>80%) asleep, which is normal. But the built-in Android battery graph shows that it was almost permanently awake. I even tried CyanogenMod for a while, but there was no difference, so I strongly suspect it's a hardware problem.
Aug
14
comment In wireless networks what does DTIM do, and can it increase wireless network performance?
@SilverMoon - The symptoms were totally weird - for stretches of time (1-2 weeks) the phone would go into "crazy mode". Whenever it was connected to wifi, it would drain about 10%/hour or more. Turning off all background sync remedied the problem, but, of course - no background sync. I thought that maybe it was a misbehaving app, but even after I reset the firmware the problem was still there. As soon as I connected my Google account to the phone, the problem was back.
Aug
14
comment In wireless networks what does DTIM do, and can it increase wireless network performance?
@SilverMoon - I don't remember. But I remember that I tried increasing that too without much problem. Anyway, you might be interested to know that the phone in question (LG P500) later turned out to be a piece of crap anyway. It seems that it either had a bug in the wifi hardware, or the driver (or both). The DTIM hack worked for a while (a year or so, I think), but the battery problems reappeared later.
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comment Can a power failure or forceful shutdown damage hardware?
Why are you using a dot instead of space? Anyways, I always thought that there was a nice magnet at the center of the disk which pulled the arm back to the center when the power was cut. That's what makes the characteristic loud "click" when the hard drive powers down (or is unplugged). Do you have any links that would back up what you're saying?
Sep
27
comment How to burn a 8.5GB ISO?
@LưuVĩnhPhúc - For questions on the internet, it is usually worthwhile to read them entirely. For that matter of fact, it also applies to questions in exams. :) I already tried overburning and failed. Anyways, that was over 3 years ago. DVDs are a dying breed today anyway and this question is not important to me anymore. :)
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comment Why do computers get slower over time?
@Calmarius - true, but AFAIK today such viruses are rare. I don't remember when I last heard of a virus that actually infected another .exe file. There are also rootkits out there, but it seems to me that those are mostly used for hacking and retaining servers, rather than mass-spread workstation viruses. It seems that virus writers don't bother with it anymore. They need large numbers of computers for botnets, and the ability of a virus to hide well doesn't seem to affect this. They just give their .exe files unsuspicious names (like "WindowsService.exe") and that's it.
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