Windows 7 - Laptop Crashes / Reboot And No Wifi?

Jun 6, 2012

A friend of mine has experienced a crash with her Toshiba Satellite while watching a vid on the net.It froze completely so she did a battery pull and re-booted the system.After booting up Windows 7 after the password screen the laptop crashed completely.

The same problem occurred once again so she loaded Windows in safe mode with networking. The computer seemed to function normally so she rebooted into normal mode.Since then everything appears to be functioning except the Wifi (that was used in conjunction with an ADSL net connection).The LED where the Wifi switch is no longer lights up and no Wifi connection can be made.I suspect that as a result of the initial crash the connection settings may have been reset but perhaps the Wifi in the laptop itself has just died and needs to be repaired.

I know it could just be corrupted drivers or something - I updated the drivers for something called "Microsoft Virtual Wifi Miniport Adapter" using the auto update feature in Windows Device Manager but it didn't solve the problem.

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Have 13 DCS-920 Every few days a few random cameras will will hang/become unresponsive at random intervals.  The cameras require that I unplug the cameras before they will respond. When the cameras are unresponsive I cannot access the camera via a web browser, the D-View Cam software, or the setup wizard. This is a problem as they are all mounted in positions requiring a ladder to access.

I have some connected via 802.11g and other hard wired over 10/100 cat-6 Ethernet cable.

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Computer specification: Windows XP with intel core 2 duo
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Jun 25, 2012

 I have had a very stable wifi with my 615 for the last year. No problems with my desktop (Vista) or laptop (Vista) or other comp(XP). Just purchased a new laptop (Windows 7) which knocks out my wifi every 5-10 minutes. Cycle power and back up she comes. Now its to the point that when sometime when the wifi goes also knocks out my hard line connection. This is also corrected with a power cycle. I've tried every "tip" I could find through Google (channel 11, only wpa-only, 802.11n only,etc.)and updated the firmware to "Current Firmware Version : 2.25  Current Firmware Date : 2008/05/16 "  Again...this problem only reared it's ugly head when I brought the Windows 7 OS into the mix. It seems like its could be related to uploads as it drops my wifi while sending emails or posting. I've also noticed a drop in my upload speed (speedtest) from my hard line comp.

DIR-615 B2
Son's new Windows 7 comp causes same issue. And..I can stream Pandora all day without a problem with my tablet but as soon as a Windows 7 comp connects, the crashes begin.

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Dec 17, 2012

I've had some trouble with this and I post here, because I ran into this topic which is almost the same as my problem.Recently I started renting out one of my rooms to this guy with a Windows laptop. Everything I have is Apple:- iMac (with Windows in dualboot)- Macbook (with Windows in dualboot)- iPhone iPad- Airport Extreme (that is connected to the modem/router from the ISP by cable to create its own, more stable, wireless network)I never had any trouble with this network, not when my Macbook is running Windows or when classmates come over to work on a project (some have Windows), but as soon as this guy moved in, the internet started acting weird.Example: The internet is working fine, but when my flatmate comes home and opens his laptop, the internet crashes. Any process that was already connected, continues to work fine (e.g. a downloading torrent-file), but any new "assignment" for the internet just creates an error in Chrome ("the page does not exist" or "the server took too long to respond" for example). At those times, I can't even connect to my router through, but the WiFi still works (I can stream videos over the network from iMac to iPad without a problem). After about 2 minutes, the internet is up again, only to repeat the above after about 10 minutes.

I now have denied his MAC-address access from our router, because it was impossible to do schoolwork or just basic browsing, but I would like to just give him access of course! (it's in the contract)I'm going to call my ISP tomorrow and ask what they think is wrong, but I'm 99% certain it's my new renter's laptop. He claims his computer is completely clean, but I'm suspecting there is some kind of process running that just clogs all DNS-requests (or am I saying something weird now?

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Jan 20, 2013

My laptop is reading a full WiFi signal from my router. I am currently connected to the router via Ethernet on the same laptop. I've been reading tons of old threads to troubleshoot this. I'm at a loss. I have used this current networking hardware for more than a year without any problems. I do have a pretty old router but my iPod connects to the WiFi no problem at the moment. Here's what I've tried so far:

- soft reset of router
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Nov 7, 2011

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I have already uninstalled/reinstalled my wireless drivers and thought that had fixed the issue(it worked fine for 4 days), until the roommate returned from out of town and connected the Mac to the Wireless....then WAMMO, like clockwork, back came the BSoD. This seems like a very unique problem, as I have done many searches online and the one I mentioned on here is the only one I could find that accurately described my issue.

For reference, I have posted the link to the previous case below. Unfortunately, no solutions, other than reinstall drivers (which I have already done) are posted. I tried everything in that thread and my settings appear to all be the same as his. Is it possible this is just some rare Windows 7 glitch that has never been resolved?


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Feb 8, 2012

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The E4200 has only to ports used one for the SE2500 and one for a Cisco SD2005 The SD2005 is connected to a Revue, Squeezebox, Sony BDP, and a Dish Network 722 I am also using WET610N to a trendnet 4port switch with a Dish 922 and a Sony BDP which I am tring to eliminate the WET610N by hard wiring everything.  This is the purpose of the new ES2500.

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Feb 13, 2013

Region : Poland
Model : TD-W8968
Hardware Version : V1
Firmware Version : TD-W8968_V1_120926

Recently I've switched to Windows 8 Pro 32bit (from Win XP) and since that moment I have problems with USB Printer Controller Utility. I was able to print test page successfully but printing larger documents (for example PDF file, about 15MB of data needs to be transferred to the printer) results in blue screen of death. Additionally if USB Printer Controller Utility is started "automatically wit Windows" switching user results in BSOD about 30 seconds after the second instance of Printer Controlled is loaded. Right now I've not found any way to use USB Printer connected to TD-W8968 while using W8. WhoCrashes states that the crash cause was Printer Controller Utility. It is very easy to reproduce the crash.

Both firmware and the utility was downloaded from [URL] According to this webpage TD-W8968_V1_USB Printer Controller Utility( For Windows) works in Windows 8.


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Some extra context information, I've connected to the router a Cisco Gigabit switch and all the wired devices are connected to the switch, that could overload the router? Other point I've a Cisco VOIP gateway connected to the router and a few VPN's and firewall rules setup.

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