Quantcast Latitude E6400 Owner's Lounge - Page 364

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  1. #3631
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    Default Re: Latitude E6400 Owner's Lounge

    Quote Originally Posted by GoodBytes View Post
    Very easy.

    1- Go here: http://wwww.laptopvideo2go.com/drivers/vista64/182.50
    2- Click on "Driver" to download the drivers
    3- Click on "Modded inf" to download a modified version of a inf fiel for teh setup for the setup to accept your GPU (yes, its ok)
    4- Extract the downloaded drivers.
    5- Copy the modded inf file and paste it (and replace) where youextract the setup files.
    6- Uninstall the current drivers and restart your computer
    7- Run setup.exe where you extracted the drivers.

    Once the setup is completed and your computer has been restarted, you should be using the Geforce drivers and Nvidia PhysX will be enabled.
    Thanks for that !!! but where can i get for win7 32 or vista32 ?
    Latitude E6400: P8600, WXGA+ LED, 250GB 7200 w/ free fall sensor, 4GB DDR2, NVIDIA Quadro NVS 160M, Bluetooth, wifi 5300, Webcam, backlit keyboard, Win 7 build 7106

  2. #3632
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    Default Re: Latitude E6400 Owner's Lounge

    Quote Originally Posted by sathyan View Post
    Thanks for that !!! but where can i get for win7 32 or vista32 ?
    Same way you get the 64 bit ones...they're all on the same forums and labelled accordingly. You should be able to find them in their official foruns...
    Eric Huang is a Freelance Web Designer and Developer
    http://erichuangis.com

  3. #3633
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    Default Re: Latitude E6400 Owner's Lounge

    Quote Originally Posted by dakicka View Post
    1. John, I installed the RMClock utility and here are my results:

    WHEN USING A/C POWER
    Remaining Capacity: 57,720 mWh (107.3%)
    Device Name: DELL NM6328B

    Designed Capacity: 57,720 mWh
    Fully Charged capacity 53,780 mWh

    ON BATTERY POWER
    Fluctuation between 14,730 to 15,962 discharge rate. Sometimes the rate goes up to 29,000, and then drops back down to 13,600.
    Initial battery life states 5 hrs, 13 minutes, then quickly drops to 3 hours, 2 hours, etc.
    The re-charge rate is at 31,646.
    Thanks for the results. I've been suffering from an intermittent internet connection.

    14-15W discharge rate is fairly high but plausible if you have T series CPU. nvidia GPU and high display brightness. A spike of 29W suggests a burst of CPU activity. If those spikes are short duration then the lower power drain will be dominant and a full battery will give about 3.5 hours run time. If you are not seeing that amount of time then find a sheet of paper then, running on battery, note down the time, power drain and capacity remaining. Change in capacity should be time difference x power drain. If the numbers don't approximately add up and your battery has a sudden drop in capacity part way through the test then it is time to ask Dell for a replacement.

    Quote Originally Posted by dakicka View Post
    Finally, I let the default settings stand for system standby bs. hibernation or sleep. is that the best way to go? and what about selecting a power management profile--- home/office, dell maximum battery life, etc.. do you guys change this manually when you unplug from A/C power and then re-change when going back on A/C power?
    I normally use a slightly customised version of one of the Dell ControlPoint power profiles which is basically performance on demand CPU speed and drops the display brightness to a couple of steps above minimum. Dell ControlPoint also has various features for extending battery life.

    Quote Originally Posted by dakicka View Post
    3. For the USB power question, I went into device manager and unchecked the "allow the computer to turn off this device to save power"
    i did it for all 8 instances of "USB Root Hub"
    Is that the right thing to do? Also, why is there 8 duplicates being shown, not sure how that works. FInally, by unselecting save power, will this hurt my battery life when using the laptop? Or is this for power saving in form of energy saving when I'm not using the computer? Can the USB device charge whether I'm plugged into A/C power or not, or is it only when plugged in? thanks.
    The chipset has lots of USB hubs. Some of the internal components (eg webcam) use the USB interface. You are allowing the system to shut those parts down if they aren't busy.

    If you choose the right option in the BIOS then you can use the USB charging port even when running on battery. You have to select how much you will let the port drain the battery before it shuts down.

    John

  4. #3634
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    Default Re: Latitude E6400 Owner's Lounge

    Hello,

    Could somebody please help me with the following issues?

    - How can I turn the auto-brightness function off? It is annoying.

    - How can I turn the auto keyboard backlight function? I want to turn that on and off when I need it.

    Thanks in advance

  5. #3635
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    Default Re: Latitude E6400 Owner's Lounge

    Quote Originally Posted by RentIT_HU View Post
    Hello,

    Could somebody please help me with the following issues?

    - How can I turn the auto-brightness function off? It is annoying.

    - How can I turn the auto keyboard backlight function? I want to turn that on and off when I need it.

    Thanks in advance
    Auto-brightness off (= disabling the ambient light sensor): Fn + left arrow
    Auto-keyboard backlight off: Fn + right arrow
    Dell Latitude E6400 | P8600 2.40 GHz | Nvidia Quadro NVS 160M | 4GB RAM | 250 GB 7200 rpm | 1440x900 LED | Intel 5300 | Win 7 Pro 64 Bit
    Custom Desktop | i5 750 2.66 GHz | ATI HD5770 | 4 GB RAM | 1 TB 7200 rpm | Win 7 Pro 64 Bit | 1920x1080 22'' + 1680x1050 22''


    Please vote for the Alienware M11x R4!
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  6. #3636
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    Default Re: Latitude E6400 Owner's Lounge

    Thanks for the help!

  7. #3637
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    Default Re: Latitude E6400 Owner's Lounge

    I went ahead and ordered one. Pre-questions right now:

    Does the backlit keyboard impact battery life significantly if at all?
    How's the fingerprint reader and what is it used for on this laptop?

    Malibal Lotus P150HM
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  8. #3638
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    Default Re: Latitude E6400 Owner's Lounge

    Quote Originally Posted by Chango99 View Post
    Does the backlit keyboard impact battery life significantly if at all?
    There's a small impact on mattery time. You can adjust the keyboard backlight brightness using Dell ControlPoint. My setting is just below middle, which is adequate but not dazzling. The display backlight is a much bigger power drain.
    Quote Originally Posted by Chango99 View Post
    How's the fingerprint reader and what is it used for on this laptop?
    The fingerprint reader can be used as an alternative to typing in passwords.

    John

  9. #3639
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    Default Re: Latitude E6400 Owner's Lounge

    Quote Originally Posted by John Ratsey View Post
    The fingerprint reader can be used as an alternative to typing in passwords.
    But only for BIOS/boot/windows passwords right? As far as I know, website passwords etc cannot be replaced by finger swipes... at least I found no way of doing it.

    Please reply quickly, I just advised an E6400 buyer to not get the fingerprint reader because of that...
    Dell Latitude E6400 | P8600 2.40 GHz | Nvidia Quadro NVS 160M | 4GB RAM | 250 GB 7200 rpm | 1440x900 LED | Intel 5300 | Win 7 Pro 64 Bit
    Custom Desktop | i5 750 2.66 GHz | ATI HD5770 | 4 GB RAM | 1 TB 7200 rpm | Win 7 Pro 64 Bit | 1920x1080 22'' + 1680x1050 22''


    Please vote for the Alienware M11x R4!
    Live in Europe? Then vote for an European Alienware rep!

  10. #3640
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    Default Re: Latitude E6400 Owner's Lounge

    Quote Originally Posted by HerrKaputt View Post
    But only for BIOS/boot/windows passwords right? As far as I know, website passwords etc cannot be replaced by finger swipes... at least I found no way of doing it.

    Please reply quickly, I just advised an E6400 buyer to not get the fingerprint reader because of that...
    I too got the same question.
    The embassy security software is asking to enable the TPM security chip.. which i can't find in the BIOS !!
    anyone got any ideas to store the website passwords ?
    Latitude E6400: P8600, WXGA+ LED, 250GB 7200 w/ free fall sensor, 4GB DDR2, NVIDIA Quadro NVS 160M, Bluetooth, wifi 5300, Webcam, backlit keyboard, Win 7 build 7106

 

 

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