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  • Webcam becomes "Unknown Device" after Windows Messenger 2011 is installed

    - by Boris
    I have Sony VAIO VGN-NS290J laptop. I installed Windows 7 Ultimate 64-bit. I was able to find drivers for all hardware without any problems. Recently, I installed Microsoft Windows Live Essentials 2011, i.e. Windows Live Messenger 2011. Ever since that application is running on my computer, my webcam is not recognized by the OS any more. It is listed as the "Unknown Device" and placed in the Universal Serial Bus controllers group in the Device Manager. There don't seem to be any drivers for this webcam. It's a standard Sony Motion Eye web camera and Sony does not offer any drivers for it. There is one application to download that utilizes the camera, but there are no drivers (and the system is showing the same behavior regardless of the presence of the application). It happens from time to time that the webcam becomes recognized by the OS again, after a couple of restarts; but not always. Then it becomes unknown again. I am absolutely positive that this issue is caused by the Windows Live Messenger 2011, because same symptoms caused the same effects before. I wish to be able to continue to use this software, but also to use my webcam. I was wondering if anyone had a similar issue and if there is a way to fix it. Thanks for all the help, I appreciate it. Update: I have discovered a pattern - if the camera goes astray, restarting the machine does not bring it back; but switching the computer off and turning it back on does. Every time! This is getting super complicated :)

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  • How to get data out of a Maxtor Shared Storage II that fails to boot?

    - by Jonik
    I've got a Maxtor Shared Storage II (RAID1 mode) which has developed some hardware failure, apparently: it fails to boot properly and is unreachable via network. When powering it on, it keeps making clunking/chirping disk noise and then sort of resets itself (with a flash of orange light in the usually-green LEDs); it then repeats this as if stuck in a loop. In fact, even the power button does nothing now – the only way I can affect the device at all is to plug in or pull out the power cord! (To be clear, I've come to regard this piece of garbage (which cost about 460 €) as my worst tech purchase ever. Even before this failure I had encountered many annoyances about the drive: 1) the software to manage it is rather crappy; 2) it is way noisier that what this type of device should be; 3) when your Mac comes out of sleep, Maxtor's "EasyManage" cannot re-mount the drive automatically.) Anyway, the question at hand is how to get my data out of it? As a very concrete first step, is there a way to open this thing without breaking the plastic casing into pieces? It is far from obvious to me how to get beyond this stage; it opens a little from one end but not from the other. If I somehow got the disks out, I could try mounting the disk(s) on one of the Macs or Linux boxes I have available (although I don't know yet if I'd need some adapters for that). (NB: for the purposes of this question, never mind any warranty or replacement issues – that's secondary to recovering the data.)

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  • Screen occasionally flashes black when under load, sometimes does not recover

    - by Oak
    I've built a brand new machine, but to my horror my monitor occasionally flashes black for around a second, then returning to normal. This happens under load (watching videos / playing games) but only sometimes; e.g. it doesn't occur in "Batman: Arkham City" but does in "XCOM: Enemy Unknown". When watching videos, it also occurs when not watching them full-screen, and it sometimes even occurs when the machine isn't doing anything, just sitting at the desktop and moving the mouse around. Has anyone ran into this problem and knows of any solution? Additionally, sometimes after the black screen, it won't return to normal, instead turning completely corrupt. In these cases even quitting the application doesn't help, but physically disconnecting and reconnecting the monitor fixes the problem. This problem did not occur on my earlier machine which used the same physical monitor. Additional details: Windows Server 2012, configured as Windows 8, with latest updates installed NVIDIA GeForce GTX 660 Ti, with latest driver installed Ample amounts of CPU and RAM for playing the above games and for watching videos. I've read about similar problems elsewhere but could not find a working solution: http://www.youtube.com/watch?v=Zt00C-HXFbA&noredirect=1 http://www.sevenforums.com/hardware-devices/59126-monitor-flashing-black.html https://eu.battle.net/d3/en/forum/topic/4079098908?page=4 http://www.tomshardware.com/forum/347422-33-screen-flickering-black-nvidia-driver-update

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  • how to diagnose a hard system seizure? Dell+Ubuntu

    - by rob
    I've got Ubuntu 9.10 on a Dell Vostro 420 desktop, a little over a year old, which I use for plain vanilla work stuff (email, web, terminal, text editor). Every now and then, at totally random times, it completely freezes on me. Hard. Mouse and keyboard stop working, cursor stops blinking, clock stops moving. All I can do is hold down the power button on the front of the box to shut it off. Sometimes it happens after several months of continuous uptime; sometimes it happens a few minutes after a reboot, while all I've done is open a terminal to look at log files, or maybe firefox to do a google search. Each time, there is nothing at all in /var/log/messages at the time of the crash. This makes it seem like a hardware problem, and indeed a few months ago I opened the box and wiggled everything and the problem went away for a while. But now it's back. I went in and checked everything, took out each RAM card and reseated. No luck. I ran all the system diagnostics (the long version) and everything passed with flying colors. Something is messed up in this box, but without any useful logs or failed tests, how in the world am I going to find it? And of course, Dell's not gonna help me cause I went and replaced Windows with Ubuntu. What steps would you take next to track down this problem?

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  • Why has my computer started to make noises when I turn it on after I put it into sleep mode for the first time a week ago?

    - by Acid2
    I would usually have my pc on all day and fully shut it down at night time before I went to bed. I decided to put it into sleep mode instead the other day and everything was fine but when I woke it from sleep, I was presented with the blue screen of death and it started with some weird noise that sounded like some spinning part was off balance or possibly hitting something periodically. Sounds like it could be a fan or maybe the HDD. I'm not sure why sleep mode would mess up the hardware. Anyway, now sometimes, randomly, when I turn my computer on from a previous shut down, I still get to hear the noise but the start-up is normal. Sometimes I don't hear anything for the entire duration while I have it on and sometimes it goes away after a few minutes and sometimes it doesn't and I have to restart, like it isn't going away right now. I can hear the noise as I type this. Anyone got possible solutions? I don't want to open the system and mess up other stuff. I'm also not sure if I should take it somewhere to have it fixed - it might not make the noise then and work like normal and nothing would seem like needing to be fixed. Add: I'm running Windows 7, if that's of any relevance.

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  • Computer won't start up. Stuck on Lenovo splash screen. Help Diagnose

    - by Ace Legend
    I have some (I'm not sure exactly what model) Lenovo 21" IdeaCentre. Honestly, the computer works off and on. I have had problems with it not being able to shutdown, which I fixed. The fan seems to be constantly running, a few other problems as well. Anyway, nobody was using it when all of a sudden it switched to a blue screen. I was in the kitchen, but when I got over to the computer I read the message. It said something about bad drivers, but that is all I saw and then it restarted. However, when it got to the Lenovo Splash screen, nothing happened. I waited there for over 10 minutes, but still nothing. I tried to turn of the computer, but the only way to do it was to pull out the power cable. I then removed all USB devices and tried again. Still nothing. It also won't respond to keyboard input when I try to use enter to interrupt normal startup. My guess is some piece of hardware is damaged inside the machine. However, I have no idea what piece it is. Does anybody have any idea what could be wrong with it? Thanks.

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  • Computer will not boot - disk read error - cannot boot from HD or DVD

    - by Grant Palin
    This is a 3 year-old system: HP a1640n. There have been no issues with it in the past. I added a video card 2 years ago, and more memory 1 year ago, both without issues. There haven't been any recent hardware changes. I did install Win7 in Oct., but there were no issues with that either. I used the computer fine two nights ago, and turned it off. Yesterday, I tried to turn it on, and got the error: "A Disk Read Error Occurred. Press CTRL ALT DEL to restart" So I restart, see the initial start screen (HP) and enter the BIOS. The hard drive and dvd drive appear to be listed, but the names are gibberish text. I tried putting a Windows disk in the dvd drive, and continued with the boot, but the disk did not get recognized. Even though the BIOS was set to check for optical media before the hard drive. Back to the error screen. If the computer would boot from a cd or dvd, I would just figure the hard drive needed replacing. But both being problematic worries me. Is this a matter of replacing both the hard drive and dvd drive, or might it be an indication of a bigger problem? Thanks for any advice.

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  • Out of memory errors but not actually out of memory...

    - by commradepolski
    So, myself and my fellow support techs have been fighting with this issue and we still dont know what the problem is. Lets start off with the system specs: Windows XP 32 bit Corporate (SP2 and SP3) Intel D975XBX2 Mobo 4gb of ram Intel Core 2 Quad Q6600 ATI Radeon HD 3600 - 512mb After a few hours of working on the machine, the end user will begin to see the following symptoms: Out of memory messages Title bars and menus dont draw in properly Problems accessing network resources Problems opening up documents such as MSWord and MSPowerpoint and text files Problems opening up explorer windows General instability We have looked at task manager while this issue was occurring, and all indicators, like PF usage, threads, handles, etc. are normal. We have been having trouble pinpointing the root cause of this issue. It is also not situated with one user, it affects 8-10. So far we have tried: Resetting CMOS (Waiting to see results) Replacing video card (didnt help) Windows updates (didnt help) Updating network drivers (didnt help) Switching user from 1gbps to 100mbps network connection (awaiting results) Swapping the affected user's hardware (waiting for results) Increasing desktop heap size (helped for a bit but then the issue became more frequent) Applying the /3 switch to XP (didnt help) Increasing and decreasing and setting PF to system managed state (didnt help) We did have a power outage at the office a couple weeks ago, and all these issues became more frequent. Prior to the power outage it may take a week or so for the users to experience the issues but since the power outage it takes 3-4 hours or less. We havent had reports of the above issues causing BSODs, although that would be easier to diagnose :). Any help is greatly appreciated.

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  • Computer freezes after watching Youtube videos

    - by Roberts
    I had Windows 7 installed all september. But I installed Windows XP Professional back because my computer couldn't handle the new OS. After first boot I tried to install newest flash player (from Adobe website), but it failed. I had my old setup on USB drive and it worked. I don't know is it important or not. I am watching Youtube videos in my free time (almost every hour). After few days the computer started to freeze when I open a page with the video or close the page with video, not while I watch a video. No BSODs. Nothing in Event viewer. I use Firefox only. When computer freezes the sound wont. If iTunes is playing a radio station or is it another video playing in background, the sound wont freeze. Last few days the mouse wont freeze. Its a strange symptom. If I click few times then the cursor will actually freeze. I just want to know where does this problem come from (hardware - graphics card, old motherboard or it's just some glitch in setups). If it's not graphics card then I will be happy. The graphics card is ATI Radeon HD 4650 - brand new. Catalyst 11.8 installed. Things I have tried: Installed newest flash player after a week (the setup didn't fail this time) Installed latest video drivers Deleting cookies Defragmenting hard drive Using TuneUp utilities for computer cleenup Installed latest Mozilla Firefox Cleaned the PC Changed CPU Fan speed almost to max (just to be sure) Things I haven't tried yet: Didn't try playing videos on other browsers What can I do now?

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  • running a laptop continuously

    - by intuited
    I have an experienced laptop — a Dell Latitude D400, with a Pentium M CPU — that I'd like to run as an always-on server. This model was launched in 2004; I got mine second-hand in about 2007. I've heard that continuous operation is generally not a good idea with consumer hardware, but am lacking in specific knowledge about related problems, and have little idea of how much such usage patterns would reduce the lifespan of the machine. I'm mostly concerned with the unit's core components; parts such as the hard drive which are readily replaceable are, well, readily replaceable. What sorts of things can I do to increase the lifespan of this machine under such circumstances? For example, I'm guessing that it would be wise to limit the CPU frequency or take other steps to keep the internal temperature low. However, I'm not sure where the point of diminishing returns would lie with such an approach — 50°C? 40°C? Would it be useful to suspend the machine periodically, for perhaps an hour each day, or a few hours each week?

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  • Software for RAID Failure Alerts?

    - by QF_Developer
    I have two 256 GB Samsung 840 Pro SSD disks in a RAID 1 array. I would like to receive a notification if one of the disks in the array fails. Can anybody recommend an application I can install on the server to fire an email if such an event occurs? Here are some additional specs: Supermicro X9SCM-IIF motherboard utilising the hardware RAID controller. OS = Windows 2012 Standard Also is it possible to simulate a disk failure by pulling it out of the bay? SSDs appear to fail close together when in a mirrored config so I'd like to know ASAP if one goes down so I can swap them out with minimum delay. UPDATE 26th June 2013 ------------------------ None of the software that ships with the Supermicro X9SCM-* motherboards offer support for RAID monitoring. As has been pointed out here, these boards are built on an Intel chipset for RAID and so I installed Intel Rapid Storage Technology that supports automated email notifications on RAID failure http://www.intel.com/support/chipsets/imsm/sb/cs-020784.htm One small issue, the software only allows you to send email notifications without SMTP authentication. There's a bunch of different workarounds here: http://communities.intel.com/thread/30771

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  • How to diagnose computer freezing problem

    - by reinierpost
    I have a laptop (a Medion from Aldi) that tends to hang quite often - so often, in fact, that several attempts to install Windows XP or Ubuntu on it have all failed. However, I am able to boot and run Ubuntu as found on the standard Ubuntu 10.10 installation image. I have done this two times thus far. The first time everything was running smoothly, until at some point the GUI (i.e. X) became unresponsive. The cursor kept moving with the mouse, but menus would no longer show and clicking things no longer produced any response. So I switched to the consoles (Ctrl-F1, Ctrl-F2, etc., which in this setup automatically run shells. The shells were still responsive, and the cd command would still work, but any command that invoked an executable (e.g. /bin/ls or cd /bin; ./find caused the shell to hang up uninterruptibly. My hypothesis was that all attempts at disk access were hanging up, but I didn't actually try a command like echo /proc/$$ or while read line; do echo $line; done < /var/log/syslog to verify this. Another possibility is that an essential system library is cached in memory and somehow failing to function properly. The second time I left the system running overnight and it didn't hang itself spontaneously. I'm not sure I have the patience to just twiddle with the running system until the condition reappears, and I'm, not sure what to do once it does. Clearly we can rule out a software cause. It seems disk access related, but clearly it's not permanent hard disk failure because the system will reboot just fine. What kind of hardware problem might produce these symptoms? Can it be a memory problem?

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  • System requirements for running windows 8 (basic office use) in virtualbox (ubuntu as host os)

    - by Tor Thommesen
    I want to run windows 8 as a guest os with virtualbox on some thinkpad (haven't bought one yet) running Ubuntu 12.04. Apart from virtualizing windows 8 (mostly just for use with the office suite app) my needs are very modest, I don't need much more than emacs and a browser. What I'd like to know is what kind of specs will be necessary to run windows 8 well as a vm, using the office apps. It would be a shame to waste money on overpowered hardware. Are there any official guidelines from oracle or windows on this? Would this lenovo x220, for example, be sufficiently strong? The specs below were taken from this review. Intel Core i5-2520M dual-core processor (2.5GHz, 3MB cache, 3.2GHz Turbo frequency) Windows 7 Professional (64-bit) 12.5-inch Premium HD (1366 x 768) LED Backlit Display (IPS) Intel Integrated HD Graphics 4GB DDR3 (1333MHz) 320GB Hitachi Travelstar hard drive (Z7K320) Intel Centrino Advanced-N 6205 (Taylor Peak) 2x2 AGN wireless card Intel 82579LM Gigabit Ethernet 720p High Definition webcam Fingerprint reader 6-cell battery (63Wh) and optional slice battery (65Wh) Dimensions: 12 (L) x 8.2 (W) x 0.5-1.5 (H) inches with 6-cell battery Weight: 3.5 pounds with 6-cell battery 4.875 pounds with 6-cell battery and optional external battery slice Price as configured: $1,299.00 (starting at $979.00)

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  • What is the optimal way to animate a drawable within a view using the animator classes?

    - by littleFluffyKitty
    I have read about Property Animation and Hardware Acceleration but I am still uncertain what is the most efficient way to use the animator classes. (For the sake of this question I don't need to support devices before Honeycomb. So I want to use the animator classes.) For example, say I have a View. In this view I have a BitmapDrawable that I want to fade in. There are also many other elements within the view that won't change. What property or object would be best to use with the animator? The drawable? A paint that I am drawing the bitmap with in onDraw? Something else? How can this be done to be most efficient with hardware acceleration? Will this require calling invalidate for each step of the animation or is there a way to animate just the drawable and not cause the rest of the view to be redrawn completely for each step of the animation? I guess I imagine an optimal case would be the rest of the view not having to be completely redrawn in software, but rather hardware acceleration efficiently fading the drawable. Any suggestions or pointers to recommended approaches? Thanks!

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  • Cannot remove an entity that has not been attached on delete

    - by mazhar
    public IQueryable<Feature> GetAllFeaturesByLinkAndParentID(int id) { return from gp in db.Features where gp.int_ParentId == id && gp.bit_IsLink == false select gp; } var DeleteFeature = FeatureRepository.GetAllFeaturesByLinkAndParentID(GetFeatureId); _db.Features.DeleteAllOnSubmit(DeleteFeature); _db.SubmitChanges(); how will i remove the error Cannot remove an entity that has not been attached in this code

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  • C# LINQ: How to remove element from IQueryable<T>

    - by aximili
    How do you loop through IQueryable and remove some elements I don't need. I am looking for something like this var items = MyDataContext.Items.Where(x => x.Container.ID == myContainerId); foreach(Item item in items) { if(IsNotWhatINeed(item)) items.Remove(item); } Is it possible? Thanks in advance

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  • Best way to programmatically detect iPad/iPhone hardware

    - by Adam Eberbach
    The reason I need to find out is that on an iPad, a UIPickerView has the same height in landscape orientation as it does in portrait. On an iPhone it is different. The iPad programming guide introduces an "idiom" value to UIDevice: UIDevice* thisDevice = [UIDevice currentDevice]; if(thisDevice.userInterfaceIdiom == UIUserInterfaceIdiomPad) { // iPad } else { // iPhone } which works OK while you're in iPad (3.2) but not iPhone (3.1.3) - so it looks like there also needs to be an ifdef to conditionally compile that check, like: #if __IPHONE_OS_VERSION_MIN_REQUIRED >= 30200 UIDevice* thisDevice = [UIDevice currentDevice]; if(thisDevice.userInterfaceIdiom == UIUserInterfaceIdiomPad) { // etc. } #endif To me that's starting to look very clumsy. What's a better way?

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  • How can I remove python 2.7 after installing python 3.3?

    - by phoenix bai
    I have successfully installed python 3.3 on Ubuntu 12.10. Since I don’t need multiple versions of python, I want to remove the existing python 2.7. When I try to do that, using sudo apt-get remove python2.7 Ubuntu warns me that there are tons of system dependent components which will also be removed. It looks really scary. So, is there a way to remove python 2.7 without removing the system dependent components, or can I direct those dependents to use python 3.3?

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  • LINQ: How to remove element from IQueryable<T>

    - by aximili
    How do you loop through IQueryable and remove some elements I don't need. I am looking for something like this var items = MyDataContext.Items.Where(x => x.Container.ID == myContainerId); foreach(Item item in items) { if(IsNotWhatINeed(item)) items.Remove(item); } Is it possible? Thanks in advance

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  • Remove Dell Openmanage from Windows 2008

    - by Erwin Blonk
    I have installed Dell Openmanage Server Agent 4.2.2 on Windows Server 2008. I need the newer version, so I need to install this version first. However, outside some registry references pointing to sources that aren't there, there is little or no trace of it being installed. For example, no trace of the program files or an entry in Prgrams And Features. Still, installing a newer version keeps coming up with an older version that needs to be removed first. When I try to install version 4.2.2 to repair and eventually remove it, it gives an error: Dell Openmanage Server Agent - Error An error was encountered while testing machine type. Failure openingen required handle to .DLL. Dell Openmanage Server Agent cannot continue the installation. Setup will exit now. I haven't found anything using different parts of the error messages as search terms.

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  • .htaccess - Remove all cookies

    - by BlaM
    I want to make an existing domain a "CDN" domain that serves all images, CSS and JS files (i.e. static files). However that domain was parked earlier and some application on that domain has set cookies. As far as I can observe, I'd say that with cookies the "Expires" header doesn't seem to have much effect with some browsers (Including Firefox). The browsers still request the file, even if they shouldn't do so for the next month. It would be possible to do some mod_rewrite tricks to detect if there are any cookies and then call a PHP file to remove the cookies and serve the static file so that for the next call there aren't any cookies left, but maybe you can give me a simpler method: Is there a "Apache .htaccess only" way of removing all existing cookies?

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  • How to remove password protection from compressed files

    - by Mehper C. Palavuzlar
    This has always been a problem for me for a long time. Let's see if any SuperUser can solve this: I have a directory in which there are lots of password protected .RAR files of which I know the passwords. I want to remove the password protection from all of them without extracting the contents. Since each file is larger than 1 GB, decompressing & then recompressing without password encryption is not a good option for me. How can I easily do that? I'm using WinRAR 3.80 on Win7. Any other 3rd party tools are welcomed.

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  • How to remove the Firefox default homepage?

    - by user31788
    Hi, I am using Win 7 64 bit with Firefox as my web browser. Whenever I double click on the FF icon to open my firefox, there would be a chinese website, loading as a tab on my FF. I have checked on my setting for startup homepage for FF under the Tools > Options, it was set to Google as my default page. Can anyone please advise how can I remove the disturbing chinese website from loading on my ff everytime I open my firefox? Thank you very much.

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  • How can I remove UNC password from a file

    - by freddoo
    Hi we have an mp4 file on our web server in a virtual directory When we try to access the file we get prompted for a username/password. When I tried to change the path of the virtual directory I got the message 'The following child nodes also define the value of the "UNCPassword" property, which overrides the value you have just set ...' which included the mp4 file that we try to access. How can I remove the UNC Password securing the file? The file is not on a shared drive its on the same drive as the web site root. The funny thing is the path of the virtual directory is not a UNC path it's a full path on the same server d:.....

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