HP ProBook 4330s Networking :: Internet Connection Lost When AC Power Is Removed
Oct 15, 2014
HP probook 4330s
Windows 7 Ultimate + service pack 1 64bit
Driver: RALINK microsoft driver 3.0.0.41 (up to date when i do a search)
When I remove the ac power external internet is lost. The wireless connection still appears to be up but there is no traffic. I cannot ping anything when this occurs.
The only way to get this up and running again is to
1. insert ac power
2. restart the dhcp client service (sometimes have to do this more than once). The service hasn't stopped, but for some reason this gets it up and running.
I have also tried disabling the "allow computer to turn off this device to save power". But this did not work....
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Nov 13, 2014
I upgraded my notebook from windows 8 to windows 8.1; after that, I lost my wifi connection. There is no problem with internet connection as I can use wifi in my ipad.
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Jun 17, 2014
Up until this past Saturday (6/14/14) everything was working fine with my HP Envy dv4. Now I cannot connect to the internet anywhere. Having read the posts I have already looked up what seems to be some the necessary information to solve the problem: Product #C3Q25UA#ABA; Bios F.24, Ralink Tecnology w/driver version 5.0.37.0.
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Aug 18, 2010
I just bought 2 weeks ago new ProBook with Windows 7 Professional in it. Laptop itself is nice but I'm having constant struggle with my internet connection. I'm having Wlan in the house and I have my old Sony Vaio, This ProBook and one Axus tablet using it. (not at the same time). Router itself is from local internet/sky chanel provider with their own covers so I dont know the manufacturer/model and in this case it does not matter. Internet works totally fine with Axus and Sony but not with this. I can see problem is not Windows7 or router.
Problem is some HP own Client security setting program. Nice to have one but I can see there is some firewall that is turning the connection down and after some "resetting", "let windows solve the problem" and restarting etc it lets itself get back up and after a while disconnects it again. Yellow ! sign turn on the connection bar and it says "limited connection". I have almost full signal all the time so even that is not reason.
And again, I do not have any problems with other devices. It is OFF several minutes 80% of the times when windows starts. Then with some fighting, it turns on. Sometimes even without me doing nothing. I just can't find the way/link to turn off the HP "security program". I do use F-Secure Internet Security 2015 to secure my HP against spyprograms and viruses so it is enough for me. HP security program is nice but if it turns so much problems for me I will turn it off.
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Jul 12, 2014
I have a Probook 4520, and the operating system is Windows 7, I am having a problem getting connected to the internet, all other laptops are working in the household. I have connected it directly to the router with the ethernet cord but still no luck. Could it be my Network Card? The lap top was pretty warm on that side also prior to it stop working.
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Dec 11, 2011
I am having problems with finding drivers for this notebook. When I search for it on this site, nothing shows up and when I find it here it just says "The product you selected, HP ProBook 4330s Notebook PC, is not supported in ...". I just reinstalled the system and don't have the drivers anywhere. I tried using the 4331s drivers, but it just resulted in blue screen of death..
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Oct 7, 2014
I have a new HP Pavilion 23 Desktop, running windows 8.1. I want to make a recovery set of DVD's, and the instructions tell me to "TURN OFF THE WIRELESS CONNECTION TO THE INTERNET". How do I do this without turning off the wireless router used by other PC's in my house ?
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Mar 6, 2013
As above I keep losing internet connection on HP Pavilion g6 Notebook PC and often have to turn off to get it back. I have had the laptop for over a year now and have had this problem from day one. Often there are no connections to be seen at all. I can be on a site fine one minuete then the next it just freezes. Sometimes clicking dissconnect then reconnect will resolve the issue. But most of the time I have to switch off, leave it off for a few mins then reboot. This does not always work so I have to do it again.
As above, I have had this issue from day one. When I got it home there were no connections to be seen. I took it streight back to PC World they switched it on and connections were there. When I got home, switched on others were there but not my own. After switching off and on again mine was there. After that it was okay for a week or so then I started getting the problems I have now. My son sitting about three feet away from me on his lap top has no problems at all so I know it is the laptop and not my router. Also my wifes, my son's and my phone are on the internet through the router when this goes off. Now and then it will be okay for a couple of days but most of the time it goes off several times a day.
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Aug 9, 2014
I have recently started to lose my internet connection intermitently When I go to internet connections list my network is not there and if I just wait sometimes 10 mins and sometimes an hour poof it shows up.At the same time this happens I check my phone and tablet and they are both connected to my network as well as my hp wireless printer.
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Nov 24, 2014
i am having problem with the wireless connection in my laptop. My router is of W-link. my operating system is win 8.1 Enterprise
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Oct 14, 2013
I am using an HP Envy dv7-7250us laptop, running windows 8.1. All my software is up to date. In the last month, every time i turn on the laptop, the internet connection drops. Running HP troubleshooter resets the wifi adaptor.
I have Intel Centrino Wireless-N 2230 installed. I went out to Intel's website and have the most current driver.
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Dec 27, 2014
I have been having some issues with the WiFi lately. Whenever i turn on the laptop, the internet conection is limited. i have to run the Windows troubleshooting every time i turn on my laptop to fix this.
I updated the Wifi drivers through Windows Update but the problem persist. What can i do to fix this?
Laptop model : HP Pavilion g7-2240us
Windows 8
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Sep 30, 2012
Wireless network is deactivated by hp connection manager after hibernating, sleep and sometimes when I use the computer. I can't see any preferences in HP Connection Manager to correct this, or in Windows power management.
What is the solution to keep the wireless network activated ALL THE TIME??
Uinstall of the HP Connection Manager doesn't work, then I can't activate the wireless network again!
My computer:HP ProBook 4530s (brand new)
Windows 7 Pro (included with the computer)
No other power or wireless utilities installed, just HP utilities as installed from the factory.
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Feb 27, 2011
I have 64 bit Window 7 Home Premium. I am using a NETGEAR dual band wireless router but the same thing occurs with other routers. Other machines on this network have no connection problems.
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May 31, 2013
Suddenly I am unable to create wifi hotspot by command prompt in windows 8.1. because every time I am facing
"the wireless local area network interface is power down and doesn't support the requested operation"
I am using HP probook 4440s.
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Dec 16, 2014
I just got my new VN7-591G which I enjoy a lot, but the Wireless connection gets lost, if I am not very close to my router. First Win tells me it's still connected but I cannot access any website and after a while it loses the AP. The notebook has a Atheros Qca61x4 Wireless adapter, I tried many different driver version, non of which worked.
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Aug 26, 2014
I cant remember my BIOS Password and want to update my BIOS to 2014 version. I was asked for the password I can't remember it.
My Product details:
HP ProBook 4520s Notebook PC
Serial Number: 2CE0410Z72
Product Number: XN670ES
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Oct 2, 2014
I bought a laptop off eBay and I need the bios administrator password. Laptop is HP Probook 4430s...
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Dec 25, 2014
I've been using my netbook at my local library for 3 years. Acouple weeks ago, all of a sudden it lost contact with the library's wifi connection. The librarian tried everything he knew, no results. I later borrowed a laptop from the library, looked up fixes, tried them, but they didn't work.
Here's what happened: Got a padlock with a window saying failed to connect to a Windows service. The dependency service/group failed to start. A troubleshoot resulted in a yellow triangle with an exclamation point in it, saying network proxy settings can't be detected, though it also says detected.
Trying the fix on Acer support--checking to see if TCP/IP is working right--resulted in an error message, TCP/IP improperly installed.
Trying rewriting the registry keys didn't work.
Ditto the remove/reinstall network driver adapter.
Finally it said if this doesn't work, there's likely a hardware problem.
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Apr 28, 2014
Yesterday i purchased hp notebook Model # 15-d018TU, Product: F7P99PA#UUF, then installed windows 7 (64-Bit). Everything else seems to be working fine except the internet. When i open network and sharing centerto set up a new connection, it says "Windows did not detect any networking hardware". Also the drivers for Bluetooth controller, Ethernet controller, Network controller, PCI Simple communication controller, SM Bus controller and USB controller are not updated, and i can't update them as a i don't have any internet access.
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Sep 8, 2009
I bought my HP HDX 16 about a month ago.
And, I am very satisfied with all features in this laptop.
I have one question, is about how to connect Internet using my Sierra 885 modem.
When I run Ping, there is connection.
The weird one is, I browse via Firefox, IE, even Opera it says there is no connection.
I checked on Control Panel, and yes there are connection, Local Area Network 2,
Connected, but again why my browser cant connect Internet?
I try to fill the IP ADDRESS and DNS, accroding to my communication operator's websites, but still no change.
When I try this modem to another computer it can connect perfectly,without fill in IP ADDRESS and DNS.
Is it different if I want to connect using Windows XP or Vista 64 bit?
And this modem is support for XP and Vista.
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Mar 8, 2010
Last Friday i received my new Studio 1749 with i3. As told by the documentation I put in the battery, put the power cable in the ac-adapter, pluged the AC-cable into the laptop and then pluged the ac-adapter into the wall outlet. I booted the laptop and once I was on the windows desktop had a look at the battery symbol. It showed that the laptop was connected to external power and that the battery was being charged.
I wen't away from the laptop to let it charge the battery for 12 hours as told by the documentation. After two hours i came back to have a look at the laptop and it was off. Curious I turned it on again. After booting up it showed the battery at 60% and the laptop running from battery. Yet the ac-adapter was connected to the laptop. I hadn't changed anything. I pluged the adapter cable in and out, but it wouldn't recognize that the was external power available. Turning the laptop off an on again didn't work either.
Now I feared for the battery. My guess is that at one point it started to run on battery power even though it was not charged for 12 hours. Then when the battery was depleted the laptop shut down. This might have permanently damaged the battery!
I guess as soon as the laptop was off the ac-adapter charged the battery again, and when I came in it was just at 60%.
So I turned it off removed the ac-adapter, removed the battery, put the battery back into the laptop pluged the ac-adapter back in and booted up again. Now it showed it was running from external power again. All fine. It charged the battery as well. Actually it charged the battery up to 99% and then out of nowhere the battery symbol changed and it was running from battery AGAIN! Even though it was still connected to the ac-adapter. This happens all the time. It is reproducable.
So I thought something might be wrong with the ac-adapter.
I powered down the laptop and removed the battery. Now with only the ac-adapter connected ,I tried to start the laptop. The control lights above the keyboard came on for 2 or 3 seconds and then the laptop turned off again. Trying to hit the power button again after that didn't give another reaction.
Conclusion: The laptop won't run just on external power with no battery in the battery bay.
I put in the battery again. AC-adapter still connected. Hit power. Laptop starts to boot. Then while booting I removed the battery. Laptop keeps on booting - finishes booting - runs nice and well at full speed not missing the battery - FOREVER.
So it won't boot with the battery removed, but it will run without it flawlessly??? Strange isn't it?
Next test: I put in the battery again while the laptop is running from mains. And now it charges the battery again until the point... you already know... it "forgets" that it is connected to the ac-adapter and starts running on battery power. So now I boldly removed the battery while the laptop was running. After all it was still connected to mains/ac-power.
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Jan 19, 2008
The laptop is a Acer 5520-5912 running Vista Home Edition.
I am trying to figure out some issues with my father's new laptop when connecting to the internet. There was a problem with finding wireless networks which was attributed to a problem with the wireless network card driver. I deleted the driver, figuring I would just connect to the wired network only to find that the laptop will not see my lan connection.
I tested the lan connection in my laptop and it worked great.
When I go into the network connections it shows 1 broadband connection that is disconnected through something called a WAN Miniport (PPPOE). I have no idea what this Miniport is, and when I try to connect, it does not connect.
The second connection shown is the Local Area Connection (LAN), and it says the network cable is unplugged.
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Sep 7, 2009
I have been having this problem for a long time now and a friend pointed me here to beg for some advice. My internet connection works fine for general browsing purposes and i have a good quality of signal strength where i usually use it.
The problem is, every time i run a game such as Football Manager or World of Warcraft my internet connection will be lost. This can happen as soon as 5 minuites after starting the game or can take up to an hour, but without fail it will happen. After this disconnection my wireless adaptor is still shown as being turned on however i am unable to detect any networks in range. The problem is not solved by turning the adaptor on and off and i am forced to restart the system.
I'm not sure what the cause of the problem might be, CPU and memory usage looks normal. I was wondering if perhaps overheating could cause issues like this? My laptop is generally quite warm but with the graphics card coming into play as well... I tested the internet connection whilst connected to world of warcraft but keeping the game minimised and i was not disconnected. I also installed Speedfan to monitor my core temperature and it measures at 55C idle, but after one minuite of switching to and playing the game this rose to around 75C. Not sure if i should include anything else sorry if i overloaded this a little but not very good with computers so wasn't sure what info i should include.
its a Broadcom device. The driver version 5.10.38.26
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Nov 17, 2014
I cant get a connection on my laptop. It says that the connection is turned off, but I have no way of turning it back on! I have tried installing the drivers on the Dell website by entering my specific security tag, but they say they aren't compatible. I have even gone as far as to restore it to factory settings and nothing still.
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Aug 23, 2014
I installed Elementary OS on my notebook the other day. I can't connect to the internet via wireless.The problem persisted on Debian and OpenSUSE. Also, I've seen that HP provides drivers for SUSE, but I can't install them on OpenSUSE.
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Oct 20, 2014
Have just bought a HP-15-G094SA laptop (15.6" laptop with Windows 8.1). Whenever I close the laptop lid, I lose the wifi connectivity.
I have checked Power Settings to make sure wifi adapter remains enabled at all times. Have also gone to Control Panel --> network and sharing --> change adapter settings --> right click on connected wifi network ---> properties --> configure --> power management --> untick allow computer to turn off this device to save power.Would like to use the laptop with lid closed by pluggin it through my TV via HDMI cable, but can't because of the loss of wifi.
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Feb 23, 2015
I have just purchased an Acer Aspire E5-511, it repeatedly loses internet connection (wifi) despite still showing as being connected. I have read that numerous other people have experienced this problem but I have not found a solution that works. I have tried updating the driver and changing the battery power settings etc. I have spent ages transferring all my files accross so am reluctant to have to send it back now.
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Apr 12, 2013
My Photosmart B109 n-z has lost wifi connectivity. I had a power loss after which my router wasn't working normally. The router's OK now but I can't see the printer either from my Windows 7 laptop or my smartphone HP app. All other devices are connected OK.
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Apr 18, 2013
Since changing my password on my router, I can no longer get online with my Dell Inspiron 1520. All other computers and phones work on the wireless. Also, my internet provider saw that I no longer have the Microsoft TCP/IP Version 4 which I need to work with their internet.
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