Dell :: E6400 LAN Disconnect
Nov 19, 2009
I'm having an issue with my E6400 running on Vista x86. Whenever I leave the computer for a period of time and the monitor turns off by itself, it seems like my network connection gets disconnected.
This only happens on Ethernet and never on wireless. After I come back to the computer, all my network applications are disconnected and I can see my network icon in the system tray flash from disconnect to connected again.
Is anyone else having the same issue and fixed it? I already checking all the power options in Vista and tried updating drivers from Intel and Dell.
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Oct 2, 2011
Laptops automatically disconnecting them from a wireless network and then no longer being able to access that network?I have an inspiron 14R (N4110) and thus far almost every wireless network I've tired eventually gets booted and then I can't connect to it again. [Yes I've tried about everything in the book on the network/modem/router side, and they only work for maybe 15 minutes.]Â
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Apr 12, 2009
Why is my MSN for mac always disconnect itself? At first I thought it was my dsl disconnected, then figured out nothing happened with the network connection, it was just MSN itself disconnected. What happened to it?
Also I noticed there is always some delay in typing display. Sometimes there is about half a second delay between I type in the word and the word displayed on the screen. My cousin noticed the same thing on her imac as well. Same thing happened to typing in iwork, and some other application. Does anyone noticed this? Or it is just me and my cousin have this delay problem?
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Dec 12, 2009
my laptops wifi is frequently disconnecting after connecting for 5-10min.
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Jul 2, 2009
however im having problems taking the screen apart.
i disconnected the video cable that connects to the screen however there is another cable connected on the right side. and i cant seem to find the spot to disconnect it.
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Jun 12, 2014
I have a latitude E6540 and when I connect a external usb 3.0 disk it begins connect and disconnect randomly. I have tryed another disk and I have the same problem. This USB disk in other latitude E6540 works fine. I have disabled power option in the usb devices and reinstall drivers but nothing solved the problem.
windows 7 x64
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Jan 27, 2009
how come everytime i take my computer out of sleep mode it makes the device connect/disconnect sound effect?
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Dec 27, 2014
I have a Dell Inspiron 1764 about a month ago it started having internet problems. I have ruled out the problems being related to the actual internet service. I have excellent wifi signal and yet my laptop constantly connects and disconnects. The length of time varies. Some days I get to be on the net while others I dont at all. I have run diagnostics, downloaded darn near every update imaginable.
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Jan 4, 2015
Another on my growing list of unwelcome "features" of this machine...
Around 20 seconds after logging in after a full reboot my Wi-Fi connection is dropped (having already connected during the boot/login).
I'm using the Intel software to manage the Wi-Fi connection and it says it can't connect because the hardware switch is set to off. This is obviously untrue.
Only solution I've found is to manually flick the hardware switch to OFF and then back to ON, then it automatically connects.
Seems like a BIOS issue if it's suddenly turning the adapter off for no reason. I'm already on the latest A07. Problem does not occur when hibernating and resuming from hibernation.
I previously let Windows manage the Wi-Fi connection but it never automatically connected at all, hence the switch to the Intel utility.
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Feb 11, 2009
I have a Compaq Presario 2200. Half the time I disconnect the power cable, I get a Blue screen with the message "IRQ_NOT_LESS_OR_EQUAL".
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Jun 22, 2014
For 2 weeks or more now, my network is giving me lagspikes/disconnect when playing online games like League of Legends every time there is a bit more action on the map(ping goes to 900+).
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Have windows 8.1..I am using Wi-Fi, here's a screenshot of my drivers.I dont have this problem in another city, where I'm studying(I insert cable there for connection(campus network)).Also here at home, my brother has the exact same computer and w8.1 and he doesnt have any connection issues.
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I dont have torrents, antivirus updates or any of that going on while playing.We have maybe 4 computers and probably 1-2 phones using the net aswell, but that doesn't seem to be the case, as I said these problems should  have occurred with my brother's computer aswell? Also when these devices are not in the house, I still suffer from lagspikes.
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Aug 17, 2014
I have a HP ENVY 17t-j100 Leap Motion QE CTO Notebook PC (ENERGY STAR) with optimus technology.Can I disconnect the optimus technology and only use the NVIDIA card?
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Mar 31, 2010
This is a guide completely disable the awful BEEP sound when you connect/disconnect your AC power on any ACER ASPIRE 5740
Instructions:Uninstall your REALTEK HD AUDIO DRIVERS.Reboot.Let Windows install generic HD audio drivers.
(Successfully Tested with:
Acer Aspire 5740-6378
* Intel Core i5 Dual Core Processor (2.26Ghz w/ hyperthreading, turboboost)
* 4GB DDR3 RAM
* Intel GMA HD (128MB DEDICATED 1626MB SHARED)
* 320GB 5400RPM HDD
* Windows 7 Home Premium x64
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Jan 30, 2014
I would like to ask about the Lenovo Energy Management software bundled with my Z400. Regarding the Energy Management > Battery > "Optimized Battery Health" in particular. When the battery charges until 60%, does it internally disconnect the charger from my battery? The Power icon in the System Tray says "Plugged in, not charging". Or does the software stops the charging until 60%, and when it lowers the software allows it  to recharge again? I'm worried about getting my battery worn out immediately, as I leave my charger plugged in most of the time.
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Apr 7, 2009
someone said it was better to use 64 bit vs 32 bit for vista and was wondering if this is real? and wat are the benefits of using 64 bit over 32 bit and vise versa? except to utilize all of my 4 gigs of ram.
also the dell rep said their driver support for the 64 bit was not as good as the 32 bit and was wondering if this is true?
and will some games not work on 64 bit or does that not matter?
oh and someone said when you reformat you should reformat in ahci mode, and was wondering how you do that
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Jun 8, 2009
I have a choice between 2 specific E6400's. What I really want is a backlit keyboard and the integrated graphics (battery life is important to me).
The problem is, from the two models available to me, one doesn't have the backlit, while the other has the NVIDIA.
The one with the NVIDIA is $100 more expensive. So the question is, is it possible to either upgrade manually to the backlit keyboard, or downgrade manually to the Intell 4500? How difficult and expensive would either option be?
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Aug 12, 2009
I installed XP and everything seems ok but the computer doesnt want to suspend. When I click the power button (which is setup for suspend) or try to suspend any other way (like shutting the lid) the system will shut down but will come back online after about a minute or so. It doesnt want to go to sleep! Bad Boy. I have noticed that if I take off the power cord, it will go into suspend and stay there properly. I have tried two different power adapters, so I dont think its adapter-related. Its really annoying to have to totally shut down every time. I've tried disabling settings and hardware in the bios to no avail. I have DCP installed.I want to upgrade my WiFi link card to a wireless-n version. I guess this is the wifi link 5300 card. I actually bought one but its full height (533AN_MMW), so now I have to go an get the half height version (model 5333AN_HMW, right?!). One issue though, I dont know if my laptop has a third antenna cord in there for the third leg of the antennas. Can I add one? I am using a wireless N Dlink router.
Will this one work in my e6400?[url] I'm a little nervous about it because of the "G2" at the end of the model #, and the website says its for the centrino and I have a latitude.
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May 16, 2009
I bought a new Dell E6400 laptop with Intel P8400 CPU. I tried installed Windows Vista, but the CPU experience index was only 3.0. I tried RMClock utility and it shows only 0.85 Ghz. I think I installed all needed drivers (Chipset driver, System Software etc.) and I set High Performance mode. But still 0.85 GHz. Any ideas how to force it to 2.26Ghz?
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Sep 19, 2009
I went through around 100 pages of the long thread on e6400 but could not find much real information on the e6400. Can someone who knows post the following:
1. Good and Bad LCD manufacturers for the WXGA+ LED display.
2. Keyboard - specifically compared to a thinkpad keyboards.
3. Any Heat related issues the laptop has.
4. Other trouble spots to watch out for.
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Oct 18, 2008
I'm pretty new to Dell notebook world. I was always told that Dell has a stinky customer service and their image wasn't that good around spot but care sharing whats good and bad about dell in general?
1- In the LCD option, it says touchscreen. Does that mean I can somewhat use this laptop like a tablet? ( Without the ability to twist the screen of course..)
2-Never knew whtas the different between 1dimms and 2dimms in RAM....
3-Compare Geforce 9400gs with the Mobile Intel® Graphics Media Accelerator X4500HD With PC-Card. Plus, what do they mean by "PC-Card" or "EXpress card" ?
4-Does Dell notebook actually give us 64bits windows or they're all 32bits unless they mention the option of 64bits?
5-Whats the difference between the normal e6400 model and the ATG model? Simply more durability +weight?
6- Whats an encrypted HDD or a ruggedized HDD?
7- I'll be using the notebook for design purpose. Such as photoshop, flash, illustrator or such. I'll be using 2-3 program at once with several picture/projet +internet + music. If my specs are 2.26ghz or 2.4ghz + 4gb ram + intel HD4500HD, will this notebook handle it?.............................
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May 15, 2010
I wanted to do this for a while. My dell e6400 has 1280x800 display. I want to upgrade to 1440x900.
I found this one New SCREEN 14.1" WXGA LCD for DELL E6400 B141PW04 on eBay (end time 14-Jun-10 15:54:13 BST)
on ebay.
Does anyone have experience of dealing with ebay screens, i mean are they what they say they are(working properly and stuff)?
Is there anything special I need to be looking for then buying new screen?
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Jul 3, 2009
i got my e6400 with 1280x800 resolution screen. I notice that this screen have greyness comparing to other laptops and right colour are really important to me.
Is it possible to replace my screen to high resolution one(1440x800)?
Can i replace processor as well if i decide to do so in the future?...
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May 3, 2010
I have a new spare keyboard for my e6400. I need to sell it and was wondering what other models would it fit. e6500 and e4300 maybe?..
what would be an honest price?
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Feb 12, 2009
well i currently have a studio 1537 but i want to return as there are some problems with it and i still need a laptop for school.
so i was wondering how is the e6400? i hear some peoples e6400's are freezing up. so i was wondering is there any major problems with them? or do u reccomenend any other laptop?
i was going to buy from the outlet because they do seem to be pretty cheap and i am on a budget...
and how are the e6500's? any major difference except the size?...
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May 15, 2009
Im getting my E6400 configured with just 2GB in one slot and buying an extra 2GB module aftermarket.
In the past Ive had trouble with compatability issues between two different RAM modules.
Please recommend a specific module and source that has proven to work without problems on the E6400.
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Apr 12, 2009
this list may be of some use to you. As of 12/April, the following downloads are available for Vista 64-bit (similar downloads for other Windows versions), essential downloads are highlighted in green..........................
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Mar 19, 2009
I'm in the process of trying to decide between getting an E6400 or E4300 to replace my aging Toshiba A105-4074. I'm somewhat surprised by the lack of discussion here about the E4300 compared with the huge number of threads about the E6400.
I have an E4300 here at work that I have been impressed with, so I have hands-on experience with it. I haven't had any hands-on experience with the E6400, and have only seen one briefly. While I've read lots of good things about it, I wish I could use one for a couple of days in order to get a feel for it .....
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Sep 10, 2009
I need to order a couple Dell E6400's for my company. We want to do 4 monitors on each one through a docking station, that is the part that is giving me some trouble.
Does the E-Plus docking station have a built in video card that supports multiple monitors .....
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May 1, 2009
Just got my E6400 from Dell Outlet today and i noticed it's running noticeably hot.
I've read some of the posts on the nvidia overheating problem so I decided to run the same tests other people did. The screenshot is after running 3DMark2006 on Balanced power setting.
Are those temps ok? I talked to a rep who acknowledged the potential problem with the nvidia chipset and said if i send this to the depot now they can take a look at the mobo, cpu and gpu and have it back to me in less than 10 regular days.
Since I have finals coming up, I'd much rather not send it in unless they offer me onsite or some potential freebies, which the rep refused to. So any suggestion would be much appreciated. Should I run some more tests?
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Nov 2, 2009
for the E6400 media bay (I hope that's what it's called, I'm referring to the location where the optical disk is). I'd like to add a SSD before my trip to overseas and I have a few questions about this:
1) what kind of SSD should I get? I'd like to get a 128GB or 256GB SSD. Is it any 128/256GB SSD or do I need to get a specific kind?
2) If I want the SSD to be the primary drive and a 500GB HD to be the data drive, do I need to put the SSD in where the HD is and then put the 500GB HD in the optical disk caddy tray? (I bought the newmodeus caddy tray)
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