Broadcom 4312, dell inspiron 1545.Earlier i was running on battery power and the laptop shut down when the battery got low. When i got back to it and restarted there was no wireless network. It's grayed out and says wireless disabled. How do i fix this?
View 1 RepliesUnlike a lot of others, I have had no problems getting the wireless on my Dell Studio 1558 working with the STA driver. As long, as I am not on battery, that is. Within minutes of switching to battery and disconnecting from the LAN, my system freezes: I cannot move the mouse, the keyboard is useless (I can't even Ctrl-Alt to a terminal) and my only option is a hard boot.I currently have the 2.6.35-23 kernel and I have tried the following driver options for the wireless (all the below were tried with 2.6.35-22):
- the Broadcom STA driver in the repos- the latest STA dirver from Broadcom- the new broadcom driver, not yet available in ubuntu repos (brcm80211)- ndiswrapper ( I can only get win 7 drivers for my laptop, so this does not even enable the driver)My Wifi card uses the BCM43224 chipset.After a freeze, I have pored over the logs and I cannot find any obvious error messages preceding the event - so I am a little at wit's end ito resolving this. Can anybody give me any clues as to where I should start looking to resolve this issue?
I have Ubuntu 10.10 running on a Dell Latitude E6500 notebook and am using the Broadcom STA wireless driver (just in passing, same happens on Mint 10).
My problem is this:
- when the computer is plugged into a power outlet, wireless works fine, but
- when the computer is running on battery, it hardly works at all: The network strength indicator item still shows the same connection strength but data are not transmitted anymore or only extremely slowly (google.com might 2 minutes to load).
The drop in performance literally happens 1 sec after unplugging it, and once the notebook is plugged into external power again, it resumes after a few seconds. (I have tested this with big downloads where you can see Firefox's or the Update Manager's download speeds.) The BIOS doesn't seem to have power saving settings that make that happen, and I haven't found any in Ubuntu.
Anyone have solutions for this problem: Can not establish or re-establish wireless connectivity while on battery power. Below are specifications
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Hardware: Vostro 3500, BCM4353Ubuntu 10.10Today I decided to test uptime on battery. But when I started using battery I noticed that internet connection is very slow(around 1-4 KB/s, normally ~128KB/s).I used Code:iwpriv eth1 set_pm 0(pm = power mode? And what means this parameter 0, 1 and 2?)and everything seems to be ok now.And my question is - where can I edit which power mode settings for wifi are used on battery?
View 1 Replies View RelatedI am running Ubuntu 11.04 32Bit on an ASUS Eee PC 1015PX. I have found a strange anomaly concerning wireless connection when running on battery power. I have been experiencing very slow performance when connecting to my home NAS and also the internet through a wireless connection when using my netbooks internal wireless card (Broadcom Corporation BCM4313 802.11b/g/n (rev 01)) when running on battery power. The card works fine and connects at full speed when running on mains power but as soon as I switch to battery power the card connects to the internet/network fine but the connection speed is very slow indeed. I am using the Broadcom 802.11 Linux STA propriety wireless driver.
View 4 Replies View RelatedI'm running Ubuntu 10.10 netbook edition on a Dell Mini 9 - worked around a few wireless issues on setup and connectivity has been fine, but now I'm suddenly losing wifi when I unplug my AC adapter. It still shows me as connected, but when I try to view web pages in Chromium, it will load pages for a few seconds, and then suddenly cuts out - though it still looks like it's trying to load the page.
It's the same if I boot on battery power - it will keep trying to connect to wifi but won't until I plug in the adapter. I'm assuming this probably has something to do with my power management preferences in battery mode, but I'm still pretty new to Ubuntu, and I'm not sure how to fix this. I've played with the options in power management, but I have a feeling there has to be more. Can anyone help me? This has been really frustrating.
I have a problem with my wireless where when running the laptop from the battery the connection is very slow. When the laptop is connected to the power supply everything is fine, but the moment it's disconnected and run on the battery the speed drops when browsing the Internet or accessing files on other computers on my network.
The laptop is a Samsung SF310
Wireless chipset is BCM4313
Code:
02:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g LP-PHY (rev 01)
Subsystem: Wistron NeWeb Corp. Device 051a
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at f4c00000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: wl
Kernel modules: wl
In attempt to fix this I installed the latest drivers from the Broadcom site using this guide. When I enabled these drivers everything worked well. I did speed test and got the same speeds I get when connected via Ethernet:
Ping 51ms
DL 4.31
UL 0.65
So I set the drivers to load at boot using this forum post as a guide as the steps in the Broadcom guide didn't work and rebooted the laptop on battery power. The wireless connected fine, but the slow speed problem had returned. Running a speed test got the following results
Ping 235
DL 0.54
UL 0.30
So I ran iwconfig when running from battery and then from power supply.
Code:
xxxx@xxxx ~ $ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
eth1 IEEE 802.11 Access Point: Not-Associated
Link Quality:5 Signal level:215 Noise level:160
Rx invalid nwid:0 invalid crypt:0 invalid misc:0
As can be seen the signal quality is 5 and signal level 215
Code:
xxxx@xxxx ~ $ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
eth1 IEEE 802.11 Access Point: Not-Associated
Link Quality:5 Signal level:214 Noise level:164
Rx invalid nwid:0 invalid crypt:0 invalid misc:0
And when connected via the power supply the signal level is 5 and signal level 214. There may be some kind of power saving issue, although there are no relevant setting in the BIOS and I can't see anything in the various wireless control pannels. I have other wireless drivers and there are no problem with those.
I recently purchased a UPS (Tripp-lite Internet 550U)to shutdown my PC during a power outage when unattended. This model of UPS is connected to the PC with USB. Upon plugging in the UPS USB cable the Gnome Power Manager started up and it appears to correctly show the condition of the UPS. During a power outage it showed battery discharge right down to the battery going critical, but never shutdown the PC. I have set the options in the power manager for low & critical battery shutdow. Seems something is blocking the Gnome Power Manager from shutting down, but I have no idea where to start looking..
PC: Abit mobo with Phoenix bios
Ubuntu 8.04
UPS: Trtipp-Lite Internet 550U
System: hp pavilion dv7 running ubuntu 10.04
Today my laptop battery died and after i plugged it in and restarted it said that networking was not enabled. hitting the networking key didn't re-enable it. i right clicked the wireless icon in the tray and clicked "enable networking" and it enabled it but no networks showed up as available and the networking status light on my keyboard stayed red. I've restarted the computer several times to no avail. anyone know what i need to do?
I have looked all over the place but I can't find if this is possible. I am running Debian 6 as a media server (SMB) and it is tied to a UPS, I used gnome power management to set up a low battery shutdown but this UPS also is powering another embedded computer. So, I was wondering if it was possible to have a script run (to log in and shut down the embedded system) before gnome power management shuts down the Debian server. I know I could probably get it to run on every shutdown, but I am looking for low power only.
View 1 Replies View Relatedis there a way to configure shutdown on critically low battery to give me a bit of time before actually shutting down?I've set Gnome to shutdown on low battery. Problem is, I don't get any notification about battery running low, and as soon as battery level reaches the critical threshold, the system starts shutdown without me having any possibility to quickly complete some tasks. Of course, I'd increase battery level thresholds accordingly.
View 3 Replies View RelatedI run Ubuntu 10.04 on a HP dv2000 laptop with 2GB RAM. I see a strange problem with my system. When running on battery and the level hits about 43% (+- 1%), the system shuts down suddenly. No warning and no information in logs either. Temperature of both cores are below 50 C. I have tried cleaning the dust withing the laptop chasis but no progress.
I have done quite some research on this and other forums but haven't found anybody else with similar problem.
I'm trying to make my system automatically shutdown once the battery level is low, but still without success. I've tried kpowersave, gnome-power-manager, kpower, klaptop but none of these worked for me. Well, I can't imagine I would be that stupid, but simply it doesn't work. In all cases mentioned above (kpower, klaptop, gnome-power-manager) I've tried to setup the laptop to shutdown once the defined level is reached, but the laptop never actually switched off unless all the battery was drained.
Btw. I think all the above mentioned apps only work once the user is logged in. But I'd like the solution to work also when the PC is on without anyone logged in. I thought I could write a bash script based on parsing of acpitools output and define it as a service, which would monitor the battery level, but I simply don't believe there isn't any functional solution to this.
I have an Asus Eee PC with Ubuntu Netbook Remix (Unity). The other day, I turned off the wireless using the keyboard shortcut to save battery life when I was somewhere without wireless, but now it's not turning back on. I tried restarting, I've done the keyboard shortcut several times, and it still just says "disconnected" for wireless and wired, even though there are several wireless networks around me right now. There aren't any options in Network Connections or Network Tools to turn on the wireless. Is there a way to manually turn it back on?
View 2 Replies View RelatedI'm trying to make the power manager NOT automatically shutdown / sleep / hibernate when battery power of my laptop reaches critical
I am surprised there isnt an 'NO ACTION' option for that in power manager
I've tried editing the acpi-supper in /etc/default bu couldn't find a solution in there nor in the /home/user/.gconf/apps/gnome-power-manager/ directory
i'm using Ubuntu in my office. I have to report two issues with network connectivity.1. Wireless doesn't work if come back after suspend/hibernate the computer. The work around I follow is,a. Turnoff the wifi and restart the computer. (It won't shutdown. have to do force using the power button)b. Reinstall the network-manager_0.8-0ubuntu3_amd64.deb and network-manager-gnome_0.8-0ubuntu3_amd64.debc. Restart the computer (Again it won't shutdown. Need force.)d. Now wifi will detect the networks and shutdown works fine hereafter.2. Sometimes the wired gets disconnect frequently (thrice in 2minutes). Physical connectivity is good and working well in Windows.
View 6 Replies View RelatedI have strange behaviour on my portable computer Asus UX30. I'm using latest Ubuntu 10.10 release. The main problem, and the most annoying, is a system freeze on shutdown, suspend, hibernate or even restart. For a week I'm trying to find a solution on the web, but no result. From what I noticed, computer freezes when a wireless card is turned off or on. Here are some basic info from wireless card:
Code:
sudo lshw -class Network
*-network
description: Wireless interface
product: RT3091 Wireless 802.11n 1T/2R PCIe
vendor: RaLink
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I have one desktop PC I'd like to use as a jukebox. It's installed in the basement as a black box, with only SSH access, and it has got a minimal CentOS 5.3 install with MPD and NCMPC. It's connected to the hi-fi in the basement, so I can stream music to it when I'm downstairs. Since I didn't want to use cables everywhere, I bought a PCI wireless card, with a RT2561 chip.
Until recently this card worked OK with Linux. Recent kernel version even have out-of-the-box support for it, except of course you still have to download the firmware from the Ralinktech website.
I gave the thing a static IP configuration by editing /etc/sysconfig/network-scripts/ifcfg-wlan0, interface went up fine, I can ping the machine and SSH into it OK. Now the only problem is, when I do a shutdown -h now, the machine "hangs" while trying to bring wlan0 down. (In case you wonder: I temporarily attached a monitor to it, since wanting to know what goes on while shutting down in an SSH session is a chicken-and-egg situation :)). I actually have to hard-reboot it (by pressing RESET).
I just got a Lenovo Thinkpad x100e. Everything seems to be running well, with this exception of the wireless adapter. When running on the battery the wireless runs for about 30secs to 1 minute before dropping out. The NetworkManager says it's still connected, but nothing goes across the network. Disabling and then re-enabling the wireless works, for about 30 sec to a minute. The weird thing is this behavior DOESN'T occur when the power adapter is plugged in.
I'm wondering what power management parts I should be looking at? I'm running OpenSuSE 11.2, KDE 4.3.5 if that helps.
Problem as in title: on AC everything ok, but on battery my wireless is not working.openSUSE 11.4, gnome 3.0lspci:Code:03:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller [14e4:4727] (rev 01)Subsystem: Askey Computer Corp. Device [144f:7179]Kernel driver in use: wl
View 6 Replies View RelatedRecently I installed vncserver (tigervnc) on my desktop. Ever since my computer refuses to shutdown normally. At shutdown the following message pops up: Quote: System policy prevents stopping the system when other users are logged in Then I have to enter the root password to shutdown. If I stop vncserver before, the computer shuts down normally.
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I have searched every now and then (every time the batteries act up) to find a way to get the battery level from my keyboard and mouse. It seems like the most basic thing, but it also seems unsolved in all the threads I have found.
Mouse: Microsoft Intellimouse Explorer 2.0 [Model:1007]
Keyboard: Microsoft Wireless Photo Keyboard [Model:1027]
Ubuntu 9.10
Kernel 2.6.31-22-generic
Gnome 2.28.1
I have 64bit ubuntu 10.04 installed on lenovo ideapad y450. recently, i ended up using the laptop on battery till it died and the wireless doesnt' seem to work after i restarted the laptop after connecting the AC adapter.
When i go to network manager, i see wireless is grayed out and it says it is disabled ( the hard switch on the laptop for wireless is turned on).
Doing some research on forums, i did a sudo lshw -C network and the first line of it says *-network DISABLED and the description is for wireless interface. I can't post the output of the laptop as i don't have a LAN connection or a usb drive to which is can copy and then post it here.
The product is PRO/Wireless 5100 AGN [shiloh] Network Connection from Intel
When i did the rfkill list, i got:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
I have been using Ubuntu without any problem for 2 years. Yesterday, when I booted Ubuntu, its power management is not working at start up: icons for battery, speaker, wireless not there + light icon says "cannot connect to gnome-power-manager".( in the screenshot) When I go System - Preferences - Power Management (1), it corrects only the light icon.I could only bring back wireless icon by "nm-applet" after doing (1).But other icons are not there still.
View 4 Replies View RelatedI am using amahi on a computer that has two Ethernet ports but the one identified by the system as eth0 is nonfunctional (as in hardware is dead). So, because amahi needs to use the wired connection at eth0, i did a binding switch so that the computer would look at what was eth1 as eth0 and what was eth0 as eth1. I have handed control of the network devices to NetworkManager because it really is much easier that way; but, when i turn off my computer and then later turn back on, in the ifcfg-eth0 file (located in /etc/sysconfig/network-scripts) the NM_CONTROLLED setting is set back to "no" Because of this, i have to set it back to yes in the network configuration application and restart the Network Manager service for it to work again. after doing so Amahi and network/internet access work as they should. I am not sure if this is of note or not but when the network is working NetworkManger identifies the connection as "System eth1" and when the network is not working it identifies the connection as "Auto eth0" why it would reset itself and what i can do to fix it?
View 2 Replies View Relatedgetting back to our laptop, the stability window is ~3.2V. Meaning that when you operate the battery above this the electrolyte is oxidized on the positive electrode and reduced on the negative electrode. Remember that we only want to oxidize and reduce the active materials and don't want to do anything else. All these reactions other than the ones we want are called side reactions and these are really bad for the battery. The nominal voltage of a laptop battery is 3.7 V which means that something bad wants to happen as we use the battery.So long story short, stuff (e.g., passive layers and poor kinetics of reactions) happens and things are not as bad as they seem and you can increase the voltage up to 4.2V without bad things really happening. All chargers for Li-ion cells today cut the battery off when it reaches 4.2V. What you have to realize is that at 4.2V, these side reactions are present in finite amounts and start to chemically kill the battery, but its not that dramatic.
Operating to 4.1V makes things better and extends the life, 4.0 V is even better and so on. So why don't battery manufacturers cut the voltage off at, say, 4 V to get better battery life? Because every time you cut this voltage down you decrease the capacity of the battery and its run time. The 4.2V cutoff is a compromise between good run time and decent (read "not pathetic) life.On the other hand, if you charge the battery and then pull the plug (so to speak), the battery discharges some, the voltage drops, and these reactions become less of a problem and your battery life goes up. So the best things you can do is to charge the laptop (or cell phone, camera etc.) and once its charged, pull the plug. Your battery will thank you for it.As a matter of fact, if you own a Lenovo Thinkpad, you can actually change the state of charge to which you charge the battery using the Battery Maintenance utility. You can change this from charging to 100% state (where the voltage is 4.2V) to 90% so that your voltage is less. You lose some energy is doing that, but atleast you can change it to 100% when you need battery power and put it back down to 90% when you can plug in. I wish my Mac has the same feature.
I typically use the battery for a while (say 1/2 hour to 1 hour), then plug it in and wait to fully charge it, then I pull the plug and use it again for 1/2 hour to 1h and then I repeat this. Takes some getting used to and I forget to do this, but I try.
I need to know how to configure automate sending sms if server reboot and shutdown? Now i just set sms notification once my server it's UP by create scripts in /etc/rc.d/rc.local while booting then from server sending sms notification. SMS - using gnokii attached mobibe phone. Server - Fedora 10
View 3 Replies View RelatedJust installed 9.10 followed by a 10.04 upgrade (wouldn't work as a 10.04 clean install). The install and upgrade all seemed to go well.
But now when booting I get a message saying "checking battery state" and then it boots no further. This is a laptop without a battery installed, running permanently from the mains through the charger.
How can I disable this check so that the laptop will still boot without a battery fitted?
I have set up a small Mesh Wireless Hotspot at a local Flea Market. My plan is to add in one of those HotSpot services for billing and such..ut until I have enough users to justify that expenditure, I am just going to manually set up accounts.The system is all up and running as an OPEN SYSTEM. Users are able to access the net just fine thru my existing setup.My question is, how can I create user accounts so that users of my wireless network will have a username and password that they can log in with
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