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  • Quick CPU ring mode protection question

    - by b-gen-jack-o-neill
    Hi, me again :) I am very curious in messing up with HW. But my top level "messing" so far was linked or inline assembler in C program. If my understanding of CPU and ring mode is right, I cannot directly from user mode app access some low level CPU features, like disabling interrupts, or changing protected mode segments, so I must use system calls to do everything I want. But, if I am right, drivers can run in ring mode 0. I actually don´t know much about drivers, but this is what I ask for. I just want to know, is learning how to write your own drivers and than call them the way I should go, to do what I wrote? I know I could write whole new OS (at least to some point), but what I exactly want to do is acessing some low level features of HW from standart windows application. So, is driver the way to go?

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  • Portable Display doesn't work anymore

    - by RipCord
    My USB portable monitor will not work since I installed the hard drive onto an HP laptop. I have installed all the new hardware drivers and do not have any more device issues in device manager view. My old laptop was a lenovo. The new one is an HP. The system seems to recognize devices that I connect via, usb but the portable display still does not show anything on the screen. It is probably a conflict in the registry but I'm not sure how to find it and the Power User does not have the luxury of letting me troubleshoot for hours to isolate the problem.

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  • Wireless Disconnects Randomly, then won't reconnect

    - by Nironan12
    Okay, so I have a Gateway laptop, with Windows Vista SP2, and a Linksys-Cisco WRT54GL Wireless-G Broadband Router. When I boot up my laptop, it automatically connects itself to my home network. Then at random times, it disconnects itself from said network. I go to reconnect it, but I get an unknown error and none of Vista's suggestions are working. Sometimes, after 5-10 minutes, it will reconnect itself. I've already tried updating the firmware. I can't install any other firmware, or make a factory reset. My dad owns the router and buys the internet and he won't let me TOUCH it. I can't do ANYTHING to it.

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  • Access Configuration Page of Modem (in bridge mode) through router

    - by Ujjwal Singh
    Given the Network Configuration: Internet (121.243.x.y/27) | (121.243.x.z) Static : Public Global IP Modem Bridge Mode | WiMAX (192.168.1.1/24) +169.254.1.1/24 : Modem Configuration Page | (192.168.1.2) Router DLink DIR 615 | Ethernet + WiFi (192.168.0.1/24) | Local network (192.168.0.2) Workstation Ethernet | no WiFi Is there any way, maybe using Routing Tables, to access the Modem configuration page at 169.254.1.1 from my local network, using a Windows 7 PC? Note that the modem is currently able to display its configuration page at 169.254.1.1, i.e. even while it is in bridge mode.

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  • DrawImage in XP Mode or Remote Desktop

    - by simplecoder
    I'm displaying a PNG with a transparent background that looks good in Windows 7, but then I run my app in XP Mode or remote desktop to a Windows XP machine and the PNG looks incorrect. I noticed that if I disable "Integration Mode" or run the app on XP without remote desktop, the image looks fine. How do I get DrawImage to render the PNG correctly in XP Mode or remote desktop? Image inside Windows 7 Image inside XP Mode or remote desktop Here's my code: protected override void OnPaint(PaintEventArgs e) { Image image = Image.FromFile("hello.png", false); Bitmap bmp = new Bitmap(image); Rectangle destRect = new Rectangle(0, 0, image.Width, image.Height); e.Graphics.DrawImage(image, destRect, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel); base.OnPaint(e); }

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  • Keyboard not responding on startup

    - by Mestika
    I’m having a weird problem with one of the laptops at my work. Every now and then (not a systematic repeating pattern, but kind of random) the keyboard will not function on start up. The computer boots and it gets to the CTRL + ALT + DELETE screen and it is responding to nothing from the keyboard. The mouse works fine. I then try to force a shutdown and reboot the machine and most of the time it then works. My first thought was that it was a hardware malfunction with the keyboard hardware but it seems strange that the computer can be stationed for several days without being removed and it still “loses” connection to the keyboard. The OS is Windows 7 Pro and it is a Dell Laptop Vostro. Does anyone experienced this kind of problem with a laptop with/with out Windows 7 and maybe got a solution to the problem?

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  • Games + Closed Lid = Hibernation

    - by Isaac Rabinovitch
    I have an ASUS N53S that I mainly bought for its RAM capacity. (I run a lot of VMs.) But as a bonus, it came with a fancy ATI video card. So I decided to install GTA 4 and plug it into a big monitor and settle down for some casual mayhem. But after about 5 minutes, it goes into hibernation! What gives? Since I was using an external monitor and didn't need the keyboard (using an XBox controller) I closed the lid on the laptop. Gaming is compute-intensive, so my GPU and CPU were both working hard and generating heat. Closing the lid interfered with cooling. Since I have the laptop configured to hibernate when I press the power button, the heat-triggered shutdown caused hibernation.

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  • how to record videos from my laptop webcam?

    - by Nick
    I am not sure but I can't seem to turn on my webcam to record videos which I would broad cast somewhere later on. I have a HP G62 Laptop, and the cam turns on when I use programs like Skype and other Video Calling clients, other wise I can't turn it own, as I don't seem to know how. Laptop: HP G62 Notebook PC, AMD Atholon II P230 Dual-Core, Windows 7: Home Premium Can some one tell me how do I turn on my webcam and record videos? Or is there some sort of a software? I tend to read stuff I wrote in Word, so if there is a program I need it to be in the tray dock and not to bug me, while I am moving between different documents/web pages.

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  • Sharepoint 2007: Edit vs Read Only Mode

    - by user29116
    Sorry about the title, dont' really know what it should be. If I open a doc in read only mode I'm able to press save and then it opens up a save as box and the default directory is the directory on the sharepoint server and if you press save you save it to the server. This actually makes the whole process not really "read only" mode since I could actually update the document. Is there a way to prevent this from happening so that if someone chooses read only there is no way possible to updload any changes back to the sharepoint site? Also, it has been suggested as a solution to get rid of the edit/read only option so that people have to check out the document. Is there a way to remove the edit/read only option on documents?

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  • HP Presario CQ 61-322ER (VV884EA) Wi-Fi hang up!

    - by qgrabber
    I have my new laptop and don't have Windows XP drivers for it. I found that it contains the Broadcom BCM4310 chip, but when I install any Broadcom driver my laptop hangup on installing bcm5*.sys driver. Only power-off button make any effect. After reboot the device list (Device Manager) contains Broadcom WLAN adapter, but it is marked as disabled, for some hardware errror! Also if I disable device before, and install driver - then - all is OK! But when I try to enable it, Windows hang up anyway (no speaker beep, no mouse input, no keyboard input - nothing) What is the solution?

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  • New Vaio laptop, performing a fresh install

    - by Slace
    I just purchased a new Sony Vaio laptop (z-series) but being a bit of a power user I really want to get rid of the software which is installed on it. I can go through the Programs and Features and manually select each item I want to get rid of, but it's a really tedious process. I'd much prefer to have a clean Windows install which I can then tweak from the get go. But it doesn't appear that I received a Windows 7 install disc (I bought it through a large reseller so it isn't dodgy as far as I know). I do have the Windows 7 licence key on my laptop underside, will this be valid if I use a Windows 7 install disc from work? Or should I have the Windows 7 disk and I need to go back to the reseller?

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  • What laptops can run an external 27" or 30" screen at 2560x1600 native resolution? [closed]

    - by Moin Zaman
    SU Folks, What laptops do you know off that can run a 27" or 30" external monitor as a secondary display (Extending desktop onto second screen, without switching off the laptop's own built in screen) at the screens native resolution of 2560x1600. I'm not interested docks or USB video adapters etc. Just via the laptop's built in display ports. List the port used and cable as well if possible. Reference links / posts that confirm it are an added bonus. I'm hoping people who've tried it themselves and / or confirmed it can list specific models of laptops so we can build up a good list.

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  • Sharing wifi connection

    - by andser
    I have some little problem while sharing wifi connection. I have 2 laptops. I need connection scheme like this: laptop1 [wlan0] >>>>>>>> laptop2 [wlan0] (in ad-hoc mode, as ap, etc) >>>>> laptop2 [wlan1] >>>> internet. laptop1 [wlan0] connecting to laptop2 [wlan0]. laptop2 connecting to internet through wlan1. Is it possible? OS: Ubuntu on both machines I tried this man (setting laptop2 wlan0 in ad-hoc mode): https://help.ubuntu.com/community/WifiDocs/Adhoc#Network_Manager laptop1 connects to laptop2, but can't access to internet.

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  • Let emacs choose mode conditionally when opening files

    - by artistoex
    I'm using the php debugger geben and nxhtml-mode -- my standard mode for editing php files. Unfortunately, these two modes don't mix well. Is it possible to configure emacs such a way that it enables nxhtml only conditionaly, when I open php files manually, but enables php-mode instead when the buffer is opened by geben?

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  • GStreamer record iradio-mode artifacts

    - by Kanzeon
    I'm trying to record internet radio while listen it. I use the following line, but comes to my attention that when I set the iradio-mode true some noises comes in the recorded file, not in the playback. Without iradio-mode, all is ok. But in my app I need this mode to get the title message. gst-launch souphttpsrc location="<radio channel>" iradio-mode=true ! tee name=t ! queue ! decodebin2 ! audioconvert ! audioresample ! osxaudiosink t. ! queue ! filesink location=rectest.mp3

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  • Need to hookup HP dv7-3085dx with NVIDIA GeForce GT 230M to my Dell 30 inch LCD 3007WFP at max resolution

    - by user14660
    I recently bought an HP laptop (dv7-3085dx) which is supposed to have a pretty good video card (NVIDIA GeForce GT 230M). The card is supposed to output a max resolution of 2560x1600 which is also the max resolution of my monitor. I've now bought an HDMI to dual link DVI cable - this is after Best Buy's 70 dollar HDMI to DVI (perhaps it was 'single' link?) didn't give me the best resolution. In Windows 7, when I try to set the max resolution for my 30" monitor, I only get 1280x800, which is absurd. The monitor is great, I love the laptop and the video card supposedly supports such resolutions. I therefore can't figure out why I'm not getting a better resolution. When I "detect" my monitor in Windows 7, it is shown correctly as a DELL 3007WFP!

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  • Repeating characters in VIM insert mode

    - by Cthutu
    Is there a way of repeating a character while in Vim's insert mode? For example, say I would like to insert 80 dashes, in something like emacs I would type: Ctrl+U 8 0 - The only way I know how to do it in VIM is to exit normal mode for the repeat argument, then go back into insert mode to type the dash, then exit to insert the actual dashes, AND then go back into insert mode to carry on typing. The sequence is a really long: <ESC> 8 0 a - <ESC> a It would be nice not to switch in and out of modes. Thanks

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  • Debug.Assert Appears in Release Mode

    - by Ngu Soon Hui
    We all know that Debug.Assert will not be compiled into the dlls when compiled in release mode. But for some reason Debug.Assert did appear in the release version of a component I wrote. I suspect that I might have mess up my csproject setting. Any idea why Debug.Assert appears in release mode? P/S: I have double checked to make sure that I was really compiling in release mode before asking this question.

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  • Virtualbox in Headless mode

    - by ask
    I used the virtual machines in virtualbox in a "headless" mode instead of a GUI mode. what are the advantages of using it in a headless mode?? by headless does it mean that the server doesnt have a keyboard or monitor attached or does it mean that no window will "pop up" , denoting that it is ON(or any other status), when a virtual machine is worked with? what exactly does it mean? pls reply...

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  • Recommended laptops for system admins?

    - by 80skeys
    Hey all - I'm in the market for a new laptop and wanted to get some recommendations. I'm a Linux sysadmin and this laptop is primarily for work related use, working from home, after hours, occasional trips to the data center, etc. We all know the drill. My typical setup includes various utilities and tools plus multiple partitions for booting different OS's including VMware. Need serial port of course, DVD-RW, and all the usual stuff we use in our daily routine. I'm kinda thinking a Thinkpad T510 but open to other suggestions! Brief explanation of why you suggest some particular brand and configuration is appreciated.

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  • [org-mode]: repeating task in every Mon, Wed, Fri at 18:00, need help with sexp.

    - by zeroDivisible
    Hello, As I had written in title, I need a little help with improvement of this sexp: * TODO remeber about thingie. SCHEDULED: <%%(or (= 1 (calendar-day-of-week date)) (= 3 (calendar-day-of-week date)) (= 5 (calendar-day-of-week date)))> Now it shows itself in the following days, but I would like to change two things about it: How can I also schedule on specific hours (i.e. 18:00 - 20:00) in the following days How can I made this task repeat itself, just like it repeats itself with <2010-05-13 Wed +1w> (by repetition I mean something like it automatically logs the closing date and time and comes back to the TODO state). I will be grateful for any help. Best regards, Mike.

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  • How to get audio driver for compaq c700 ?

    - by Leena
    Hi, Initially i have audio driver and its works fine.But some times speaker was clear.So one of my friend installed some audio driver,after that totally disabled the volume. For that reason, i also tried to get audio driver and installed many times.Now i don't know many drivers .inf in my laptop.from device manager i have deleted the audio driver's,below i have attached the screen shot yours kind reference. Please help me to get audio drivers.First, i need to remove the unwanted drivers .inf files from laptop then i have to install the new audio driver. Experts,please suggest me to get audio driver without reinstall the OS. Details: Compaq c700 (i don't know model number) windows xp sp2 p/n : KT188PA#ACJ I appreciate your help.

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