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  • Laptop authentication/logon via accelerometer tilt, flip, and twist

    - by wonsungi
    Looking for another application/technology: A number of years ago, I read about a novel way to authenticate and log on to a laptop. The user simply had to hold the laptop in the air and execute a simple series of tilts and flips to the laptop. By logging accelerometer data, this creates a unique signature for the user. Even if an attacker watched and repeated the exact same motions, the attacker could not replicate the user's movements closely enough. I am looking for information about this technology again, but I can't find anything. It may have been an actual feature on a laptop, or it may have just been a research project. I think I read about it in a magazine like Wired. Does anyone have more information about authentication via unique accelerometer signatures? Here are the closest articles I have been able to find: Knock-based commands for your Linux laptop Shake Well Before Use: Authentication Based on Accelerometer Data[PDF] Inferring Identity using Accelerometers in Television Remote Controls User Evaluation of Lightweight User Authentication with a Single Tri-Axis Accelerometer Identifying Users of Portable Devices from Gait Pattern with Accelerometers[PDF] 3D Signature Biometrics Using Curvature Moments[PDF] MoViSign: A novel authentication mechanism using mobile virtual signatures

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  • Laptop hardware recommendations for multi-platform development

    - by iama
    I am thinking of buying a laptop with the following configuration - Intel core 2 duo(or I3-330M)/ 4GB RAM/300+ GB 7200 RPM. I would like to be able to run two server VMs on this laptop with Win2K8 and Ubuntu (preferably 64 bit editions). Windows 7 will be the Host OS since that is the one that ships with the laptop. I am thinking of using VMWare player to run the two server OSs. Is this laptop good enough to run the two VMs side by side or do I need to go for a better configuration? Any suggestions? Thanks.

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  • Laptop hardware recommendations for multi-platform development

    - by iama
    I am thinking of buying a laptop with the following configuration - Intel core 2 duo(or I3-330M)/ 4GB RAM/300+ GB 7200 RPM. I would like to be able to run two server VMs on this laptop with Win2K8 and Ubuntu (preferably 64 bit editions). Windows 7 will be the Host OS since that is the one that ships with the laptop. I am thinking of using VMWare player to run the two server OSs. Is this laptop good enough to run the two VMs side by side or do I need to go for a better configuration? Any suggestions? Thanks.

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  • Vaio Laptop wireless connectivity loss after some minute

    - by Mehran Meidani
    I have a big problem with my laptop, My laptop loss it's connectivity to internet randomly! for Example sometimes it's ok up to 1h but usually the problem occurred after 5 min. When I run these command, i can continue working with internet : ipconfig /release ipconfig /renew If i turn wireless off and on, the problem don't solved I have another laptop (Macbook pro) and it doesn't have any problem I use Linksys E2000 as an wireless access point Model : Sony vaio sa21gx OS : Windows 7 SP1 Thank you for your help and sorry for my bad english :)

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  • My HP-Vista based laptop has become very slow recently

    - by goldenmean
    My HP laptop which has Vista Home premium. When I try to start Firefox, internet explorer, it becomes very slow. No other app. When i checked the Performance in Task Manager. It shows the Physical memory , Free as 0 bytes, almost always. This has been recently. Earlier it didn't used to be zero. Laptop has 2GB of RAM. I have nothing running in my tray except - Sound control, Laptop power plan indicator,Network status indicator. There are no other processes whose memory usage adds up to so high to make Free memory as 0. Then what could be hogging the memory and make the laptop very slow. Any pointers would help as it is crawling at the moment.

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  • Cheap batteries for old laptop

    - by Jeremy French
    I have an old laptop with a kaput battery. I have looked at this question with regards to spares, but most of the sites that are linked too from there have batteries which probably cost more than the laptop is worth. I like keeping the laptop around as a spare, but find it fustrating that it has to be plugged in permanantly. It seems to be that a half good battery would be acceptable for me, for a knock down price. However nothing of the sort seems to exsist. Is there any way to get cheep batteries in such a case? Laptop is a Compaq Presario 900 if that information helps

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  • Freezing a dead(ish) laptop battery...

    - by Wesley
    I have a Compaq CQ50-215CA laptop with a battery that does not properly hold charge. Vista's battery meter does not read the remaining charge left; the laptop will randomly shut down at ~60% and sometimes the meter goes back up to 100% before shutting down without warning. So, does freezing a dead-ish laptop battery somehow repair it and allow it to hold charge again?

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  • Visual Studio 2010 -- how to reduce its memory footprint

    - by GregC
    I have a solution with just under 100 projects in it, a mix of C++ and C# (mostly C#). When working in VS2005, the working set of Visual Studio is considerably smaller than that of VS2010. I was wondering if there are some things that can be turned off, so I can develop in VS2010 under 32-bit OS without running out of memory.

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  • VGA no signal on LCD monitor attached to laptop

    - by Paul
    I bought a new Asus vh242h LCD monitor for use with my lenevo T60 laptop running XP professional. Display info under control panel says "Intel(R) 945GM Express Chipset Family". I am connecting via VGA. When I connect the monitor I get "VGA no signal" and the monitor screen stays blank. I have selected the monitor as the display device on the laptop. The information on the monitor displays the correct screen resolution from the laptop, so the monitor is communicating in some way with the laptop. I've successfully tried the monitor with my Dell inspirion 1525 running Windows Vista. I've change the VGA cable to one I know works. Tried different resolutions. I cannot find and specific drivers on the internet for this monitor, so I assume it should work with Plug and Play. Does anyone know what the problem could be?

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  • SATA hard disk for laptop on Desktop PC

    - by Lawliet
    I know that this forum is for programming-related questions only, but I'm having this dilemma so here I go. Can I connect a laptop SATA hard disk to Desktop PC? Do I have to use some adapters or I can just plug in SATA power connector and SATA data cable like my Desktop hard disk is connected? I noticed that both laptop and desktop SATA disks use same connectors, but I'm afraid that I might fry my laptop hard disk because the SATA connector has both 12V and 5V voltage (given the fact that laptop hard disks has input voltage of 5V) Thanks in advance

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  • Problem in connecting LCD monitor to Ubuntu laptop

    - by piemesons
    I was using my LCD monitor with my laptop properly with Windows 7. But I am facing a problem in Ubuntu. It connects in a proper way but on pressing backspace it automatically moves back to my laptop screen. Sometimes pressing any key moves back to my laptop screen. How can I fix this behavior?

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  • What laptop for dev with VS

    - by Gareth
    Im looking to spend upto £500 on a laptop in the next few days, and am now after a bit of adivce. This laptop will be used to develop personal projects on using VS2010, and SQL sever express. I know this sort of question has been asked plenty before however Im looking for specifics, has anyone bought a laptop recently to run VS on and if so what did you get? has anyone seen any good deals on laptops that fit in my price range? Any suggestions apprieciated Thanks

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  • Memory Leak from Foundation & CFNetwork Library

    - by Lakshmie
    I am using instruments to resolve memory leak issues for an app in iPhone. I just wanted to know if I have to resolve the leaks coming from Foundation and CFNetwork Libraries. Specifically, the leaks are from: 1. NSCFString 2. NSConcreteData 3. General Block-3584 Since they do not directly point to the code that I have written, how should I resolve them, if I have to? Thanks.

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  • Laptop authentication/logon via accelometer tilt, flip, and twist

    - by wonsungi
    Looking for another application/technology: A number of years ago, I read about a novel way to authenticate and log on to a laptop. The user simply had to hold the laptop in the air and execute a simple series of tilts and flips to the laptop. By logging accelerometer data, this creates a unique signature for the user. Even if an attacker watched and repeated the exact same motions, the attacker could not replicate the user's movements closely enough. I am looking for information about this technology again, but I can't find anything. It may have been an actual feature on a laptop, or it may have just been a research project. I think I read about it in a magazine like Wired. Does anyone have more information about authentication via unique accelerometer signatures? Here are the closest articles I have been able to find: Knock-based commands for your Linux laptop Shake Well Before Use: Authentication Based on Accelerometer Data[PDF] Inferring Identity using Accelerometers in Television Remote Controls User Evaluation of Lightweight User Authentication with a Single Tri-Axis Accelerometer Identifying Users of Portable Devices from Gait Pattern with Accelerometers[PDF] 3D Signature Biometrics Using Curvature Moments[PDF] MoViSign: A novel authentication mechanism using mobile virtual signatures

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  • My laptop can't share a printer with my PC

    - by david
    I have a Belkin wireless router and all devices including my laptop can connect to the internet. However I can't get my laptop running on Windows XP to connect to my printer through my PC running on Windows Vista. I read all the posts but nothing works. I get an error message on my laptop saying 'The name of my network' doesn't give me permission. How do I change this?

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  • Connect a Laptop with a 5.1 Sound System

    - by mfcabrera
    I will be replacing my desktop computer with a laptop and I would like to connect it to my existing 5.1 sound system. Now, the Sound System have three different input channels, but most laptops only have one sound output channel. what do I need in order to connect my future laptop to my sound system? Do I need a sound card? Example Laptop: ASUS N53JF-XE1 http://www.amazon.com/gp/product/B00492C6TI/ref=ord_cart_shr?ie=UTF8&m=ATVPDKIKX0DER

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  • Windows (7 & Vista) laptop monitor does not come back after closing lid

    - by Scott Vercuski
    I'm experiencing an issue with Windows Vista (and now Windows 7) with my laptop. When I close the laptop lid the monitor goes blank but will not come back on after I re-open the laptop. The screen stays blank and nothing that I do will get it to come back. The laptop is an HP DV9000 series. Has anyone else ran into this issue? One of the solutions I've seen online is to go into the device manager and replace the lid driver with something nonsensical (the website suggested pointing the driver at the sound recorder). This does solve the problem by disabling the lid but doesn't really resolve the root issue. I'm asking if anyone has any method I can use to debug what's going on. How do I tell if it is an operating system issue vs. a malfunction within the lid itself. I'd actually like the lid to function as it's meant to. Thank you!

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  • Windows 7 laptop license

    - by Sheldon Ross
    I use Ubuntu almost exclusively. But, in order to buy the laptop I want, it's bound to come with Windows 7. I could always go the EULA refund route and try to get a refund for it. But I was wondering if there was anyway I could transfer the license I bought via the laptop to a a desktop PC. I have desktop running XP right now that I wouldn't mind having windows 7 on. Is there anyway I could transfer the windows 7 license from the laptop, install Ubuntu on it and install windows 7 on my desktop? I have no need for 7 on a laptop, as I won't be playing any games on it.

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  • How to get new screws for HP Dv7 laptop

    - by blaine
    The other day I have noticed that there are 3 screws missing from the bottom of my 3 month old HP Pavilion dv7t-7000 laptop. This is causing me various problems such as an unstable screen, and who knows what else soon. My laptop is still under the basic warranty, however, I live outside the USA where I purchased it. What is the best way to get replacement screws for my laptop besides looking around the house and trying to find one that fits? Let me know if you need pictures

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  • How to increase the resolution of a laptop screen more than it supports

    - by VirMatrix
    I have a laptop, which has a screen resolution of 1366x768, as most laptops have. Is there any way to increase it? The laptop is an HP Pavilion dv6, with Intel HD 3000 graphics and Radeon HD 6490M GPU. Edit: I want to increase the resolution beyond 1366 X 768, as I have a application that requests that, and I want to run the application on this laptop only. The Application Request the Resolution of 1280x900 or higher.

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