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Old August 8th, 2012, 11:26 AM   #1 (permalink)
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Default WiFi problems

I've had a good search on the forums and Google but can't seem to find an answer to my problem.

I have only just recently added ICS to my Touchpad and I'm quite pleased with it. However, whenever it's used to access the Internet eventually the signal will disconnect at the computer and I have to reboot the router and broadband box.

I used all the recent programs for installation and the nightly update from August 3.

It varies as to how long it takes, seconds to half an hour sometimes. This is driving my wife mad and means an awful lot of rebooting. I can't recall that this happened with WebOS, so it must be something to do with ICS (the laptop and Sky box also work fine).

Has anybody come across this problem? Would it be worth making changes to the router settings? I use Windows 7, a Virgin broadband box and a Netgear WGT624 router.

Many thanks.

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Old August 8th, 2012, 09:17 PM   #2 (permalink)
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What build of CM9 did you install? (settings... about tablet)

The nightly build for July 7 is a good one and contains the mic, sleep, charging and wifi fixes.

Is your date/time set properly?

Older versions prefer the router is using channel 1-6, but nothing higher.
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Old August 16th, 2012, 04:39 AM   #3 (permalink)
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Thanks for the advice, I've been using the nightly update from August 3. Downloaded WiFi Analyzer and now using channel 6 and also using Clocksync. Had a couple of trouble free days and hoping it stays this way.
Thanks again.
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Old August 16th, 2012, 08:23 PM   #4 (permalink)
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I don't know if channels 1-6 is still required for the new wireless driver, but you have to try safe settings first, then you can experiment later.
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Old September 16th, 2012, 09:45 AM   #5 (permalink)
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Here's a compilation of wifi fixes: [ROM] Official CyanogenMod 9 Nightly Build Discussion - CyanogenMod [HP Touchpad] - RootzWiki - Page 565
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Old September 22nd, 2012, 01:15 PM   #6 (permalink)
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Frustrating... my TouchPad would prefer channels 1-6, and the other devices (laptops and iPads) seem to prefer the higher channels. Wifi Analyzer recommends channels 12-14 (I suspect based on the least amount of usage in my area) and my router (Cisco Valet Plus) only goes to channel 11.

So to keep peace in the house... I am using channel 9. May try to move the modem and router or eventually look at an extender.
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Old September 22nd, 2012, 01:42 PM   #7 (permalink)
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I thought channels 12-14 were available outside the US only.
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Old September 22nd, 2012, 06:11 PM   #8 (permalink)
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Probably so... and why the router doesn't offer. I deleted them from Wifi Analyzer so I won't be teased by them. I also switched to channel 1 since the TP was so weak at channel 9.

I may just have to move things or get the extender.
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Old September 22nd, 2012, 07:18 PM   #9 (permalink)
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What version of android are you running (cm7, cm9, something else?) and what version?

Wifi driver was updated in the nightly builds of cm9 in June (I think) and the camera and battery life was fixed early July. You'd want at least July 7th nightly to be up to date.
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Old September 22nd, 2012, 08:36 PM   #10 (permalink)
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Quote:
Originally Posted by colchiro View Post
What version of android are you running (cm7, cm9, something else?) and what version?

Wifi driver was updated in the nightly builds of cm9 in June (I think) and the camera and battery life was fixed early July. You'd want at least July 7th nightly to be up to date.
I am on CM9, the September 16 (latest I believe) nightly.
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Old September 22nd, 2012, 08:44 PM   #11 (permalink)
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So much for that theory....

This might help: [ROM] Official CyanogenMod 9 Nightly Build Discussion - CyanogenMod [HP Touchpad] - RootzWiki - Page 565
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Old September 23rd, 2012, 02:43 PM   #12 (permalink)
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Thanks again... wow, that is quite the laundrey list. I am curious about the last one since it would appear to accomplish #2 (the most involved of the fixes). Fixes 3,4,5 are basically checked since the Cisco router is already set at "WPA2/WPA Personal Mixed Mode" (there isn't anything else that appeasr to come close to "PSK TKIP + WES"). I don't think its dual band and I think its B/G only too (I will verify both of those). I already use Wifi Analyzer. I haven't tried the clock fix (will do that), and when I tried the airplane mode suggestion it not only didn't improve anything it seemed to knock out my Apex launcher (I rebooted and restored that, and turned off airplane mode).

I am hoping FXR Wifi Fixer and Rescue doesn't cause more of a problem that it fixes.

Ultimately I think I need to move the router to a central location (its currently in my office) and/or get an extender.

Again, thanks for the help and advice!
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Old September 24th, 2012, 06:28 AM   #13 (permalink)
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My recommendation: create a backup in recovery before making any changes.
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Old September 24th, 2012, 08:19 PM   #14 (permalink)
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Tried FXR Wi-Fi Fixer. No improvement. I went back to webOS and immediately the Wifi improved (even though the webOS only has a three segment meter it was clearly a stronger signal at the extremes of my house where the CM9 TP loses connection.

Also found I can't move the modem since it needs access to a phone jack. So my only fix appears to be an extender.
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Old September 25th, 2012, 06:29 AM   #15 (permalink)
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Try this:

Create a backup in recovery and TIBU, then do a factory reset and flash a known good rom. See if the problem is resolved. Don't restore any system apps or settings (red or green) from TIBU like wifi. If it's not any better, restore your backup.
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Old September 25th, 2012, 08:55 AM   #16 (permalink)
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Quote:
Originally Posted by colchiro View Post
Try this:

Create a backup in recovery and TIBU, then do a factory reset and flash a known good rom. See if the problem is resolved. Don't restore any system apps or settings (red or green) from TIBU like wifi. If it's not any better, restore your backup.
My TP is a stubborn booger it appears. Went to recovery (in my case, that's TWRP), wiped and then factory reset, then reflashed the 7/11 zip I had from the past (seemed to me that one didn't suffer...). Wiped again, then rebooted.

I had to reenter lots of early stuff (gmail account info, find and connect to network, etc) which gave me hope.

Seems to be stronger when I sit next to the modem and router in my office, but still gets weak as I go to the rooms at the extremes of my house (again, the webOS signal appears to be stronger at these extremes).
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Old September 25th, 2012, 10:24 PM   #17 (permalink)
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When you use wifi analyzer, do you have any other access points on channels close to the one you're using now?
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Old September 25th, 2012, 11:58 PM   #18 (permalink)
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Every neighbor has wifi. A neighbor across the street has a Mac setup on channel 1. Occasionally it looks like channel 6 is open. Most of the time Wifi Analyzer recommends the highest numbers (9-11) to avoid he other channels. My understanding is that the TP wants 1-6 and seems the two that are best are 1 and 6.
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Old September 26th, 2012, 06:24 AM   #19 (permalink)
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I'd shoot for the open channel if you're running a recent version of CM9. I don't know if the 1-6 still applies.
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Old September 28th, 2012, 09:16 PM   #20 (permalink)
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Apparently there's a lot of people complaining about wifi with more recent builds. You might try the July 7 nightly.
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