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  • Diagnose Issues with USB External Hard Drive

    - by Chris Lieb
    I have a 1TB SATA hard drive in a third-party USB enclosure hooked up to my computer via USB. The drive has become increasingly unreliable, randomly unmounting and remounting in Windows, making strange noises on occasion, and every once in a while making lots of noise and then unmounting, only fixable by powering down the enclosure, waiting a while, then powering it back up again. I am unsure if the hard drive or the enclosure is to blame. The random unmount/remount could be the enclosure, but the strange sounds are likely related to the hard drive. Given this uncertainty, I want to figure out which of the two items needs to be replaced. However, I do not know of a way to test each item separately since I do not have an extra SATA-to-USB enclosure to test the hard drive with or an extra SATA hard drive to test the enclosure with. Does anyone know how to figure out what's to blame so that I don't have to replace both unless it is absolutely necessary.

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  • Does extra hard drive cache make a difference for streaming video?

    - by johnny
    I am looking at the following two drives for a RAID device, which will be streaming normal things but also a lot of video: Seagate Constellation ES.3 ST4000NM0033 - hard drive - 4 TB - SATA-600 TOSHIBA DT01ACA300 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Will the 128 MB cache on the Seagate have an effect in my described scenario, compared to the 64 MB on the Toshiba? If so, what sort of difference can I expect? I'm using a qnap device, if that matters.

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  • Installing Ubuntu to a USB drive

    - by Carl Smotricz
    I'm having a rough time getting Ubuntu to run from a 250 GB USB hard drive. I booted Ubuntu 9.10 from a CD and ran the regular "install" to the attached USB drive. I used the "advanced" option on the drive partition question to put the boot loader on /dev/sdb (the USB disk) but when I boot the machine it doesn't recognize there's a boot loader on the USB drive (it offers to boot from 2 other devices but not the USB disk). I also tried booting from the Ubuntu CD and using usb-creator-gtk to set up the USB drive. Seems to me this is meant to work with flash drives. I got a bootable USB disk but it looked and worked like the CD, i.e. it gave me options of "live CD" operation, installing, memtest, etc. That's not the way I want to run the system. Some help in installing Ubuntu, bootable into a "full" running system on my USB drive would be appreciated.

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  • System Reserved Partition has Drive Letter After Applying a WIM Image with ImageX

    - by user1291332
    I have installed Windows Vista on a computer using ImageX from WinPE. I followed the instructions here for partitioning the hard drive, creating a 300 MB system partition and using the rest of the drive for a Windows partition. The install has worked perfectly apart from the fact that the system partition has been assigned the drive letter C: and the Windows has been assigned the drive letter D:. I would like the system drive to have no letter and the Windows partition to have the drive letter C:. I think I have managed to figure out why it is doing this. See my answer below. Can anyone confirm this?

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  • Drive Shows No Files But Half Space Gone

    - by Chance Robertson
    I have a 500 GB USB drive. When I go to Windows Explorer or Finder, the drive shows that about half the drive is free. However, when I open either drive in Windows 7 or OS X, no files how up. I have tried to look at the files through the command line and nothing shows. A while back, I hooked it up to my MacBookPro and there was a quick message that said the drive was not ejected properly, blah, blah. And of course I did not read the message and hit OK. It there any way to get back my files from the drive?

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  • SOLID Principles and code structure

    - by S-Unit
    My question is on SOLID principles, because I couldn't answer a question (beyond the obvious meaning of the various principles of SOLID) at an interview and it really bugs me. I have done a couple of days worth of digging around and have yet to come up with a satisfactory summary. The question was: If you were to look at a .Net project that I told you strictly followed SOLID principles, what would expect to see in terms of the project and code structure ? I sort of floundered around a bit, didn't really answer the question and then bombed out. Any help or thoughts will really be appreciated.

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  • How do I format my entire HDD?

    - by Hjke123
    Ok I have recently made some mistakes with installing some operating systems that I should have just kept on a live cd not ubuntu but another os and with my ocd when I saw my lot's of different partitions I just wanted to reset my computer so it boot's up and doesn't load any os and I have to put in my ubuntu live cd and install that and that would be my only os on this computer so I want to know how I can just wipe my entire hard drive so when it boot's I get to put my live cd in and start anew?

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  • Converting an external hard drive to internal

    - by Nathan DeWitt
    I have a WD Elements 1 TB external drive. I'm in a pinch and I need an internal SATA drive. How do I find out if the drive in here is actually a SATA drive? Edit: The WD Elements is a really nice external drive. I gently pried open the top and slid out a 1 TB Caviar Green hard drive. There were four black rubber brackets that slid off easily. One screw removed the SATA -- USB, and then I slid it into my computer.

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  • "Device Not Ready" when attempting to connecting an old (DOS) hard drive to windows 7

    - by Christopher Vigliotti
    I have an old Western Digital Caviar 2540 hard drive that I am attempting to connect to a Windows 7 machine by using a Bytecc BT-300 USB 2.0 to IDE/SATA Adapter. I'm connecting things in the right order (power, then sata, then usb) and the jumper settings on the drive are at present set to slave, but am still having an issue. I am recieving a message that the drive is not initialized. When I go into Computer Management I can see the drive (as "Disk 5, Unknown, Not Initialized"), but when I attempt to initialize it or right-click and select "Offline" It tells me that "the device is not ready". Is there something that I can to to get around this, connect the drive and copy the data that I need off of this drive? Is there a third party tool available that I can use?

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  • Ubuntu live CD and installing new applications onto a USB drive

    - by bikesandcode
    Background: I am a programmer that occasionally has access to other computers when on vacation or something. These are generally the machines of friends or family, so randomly installing Ubuntu on it wouldn't be terribly polite. I would like to completely avoid the hard drive of the target machine. Not all of these machines can boot to USB either, so that simple solution is out. What I want to be able to do is boot to an Ubuntu live CD, plug in a USB drive and then grab various updates and other applications, installing them to the USB drive. Later, on another machine, put in the live CD, after boot, put in the USB drive and then magic, I have all of the updates/applications/data/etc that I've tossed onto the drive. I suspect that it should be possible to mount /home, /var, /usr, and maybe a couple of other locations from the USB drive or something along those lines. So is this possible and what do I need to do?

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  • Cloned Windows 7 to new HDD and want to change the drive letter to C

    - by Hoppe
    I used Clonezilla to clone my existing hard drive to a new one I bought. I then changed the BIOS to set the new drive as the first in the boot sequence. I'm pretty sure that I'm still running Windows 7 on the old drive. My old drive is marked as C. Now that I don't have a disk drive any more, how I do I swap the drive letter from J: to C:? I tried to change it in the disk management section of "Manage", but it reports: "the parameter is incorrect".

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  • Unable to change the value of the variable

    - by Legend
    I'm using a discrete event simulator called ns-2 that was built using Tcl and C++. I was trying to write some code in TCL: set ns [new Simulator] set state 0 $ns at 0.0 "puts \"At 0.0 value of state is: $state\"" $ns at 1.0 "changeVal" $ns at 2.0 "puts \"At 2.0 values of state is: $state\"" proc changeVal {} { global state global ns $ns at-now "set state [expr $state+1]" puts "Changed value of state to $state" } $ns run Here's the output: At 0.0 value of state is: 0 Changed value of state to 0 At 2.0 values of state is: 0 The value of state does not seem to change. I am not sure if I am doing something wrong in using TCL. Anyone has an idea as to what might be going wrong here? EDIT: Thanks for the help. Actually, ns-2 is something over which I do not have much control (unless I recompile the simulator itself). I tried out the suggestions and here's the output: for the code: set ns [new Simulator] set state 0 $ns at 0.0 "puts \"At 0.0 value of state is: $state\"" $ns at 1.0 "changeVal" $ns at 9.0 "puts \"At 2.0 values of state is: $state\"" proc changeVal {} { global ns set ::state [expr {$::state+1}] $ns at-now "puts \"At [$ns now] changed value of state to $::state\"" } $ns run the output is: At 0.0 value of state is: 0 At 1 changed value of state to 1 At 2.0 values of state is: 0 And for the code: set ns [new Simulator] set state 0 $ns at 0.0 "puts \"At 0.0 value of state is: $state\"" $ns at 1.0 "changeVal" $ns at 9.0 "puts \"At 2.0 values of state is: $state\"" proc changeVal {} { global ns set ::state [expr {$::state+1}] $ns at 1.0 {puts "At 1.0 values of state is: $::state"} } $ns run the output is: At 0.0 value of state is: 0 At 1.0 values of state is: 1 At 2.0 values of state is: 0 Doesn't seem to work... Not sure if its a problem with ns2 or my code...

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  • Run Windows XP on a usb drive virtually on Windows XP?

    - by Russell
    I am sick of not being able to run and install certain applications on my work computer due to admin restrictions (eg: Adobe AIR) . I have heard of smaller versions of Windows running on a usb thumb drive and have looked into it but can't find anything on running windows virtually from a usb drive. I would like to be able to login to this particular computer, insert my usb drive and then open up another version of windows installed on the thumb drive while still being able to use the windows I logged in on (literally be able to alt+tab between the main desktop and the virtual desktop from the usb drive). Is this even possible? For further clarification: The version of windows has to be Windows XP and there is no other option available for what I want to do. Looking forward to a response.

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  • SOLID Liskov Substitution Principle

    - by Omu
    if i have something like class square : figure {} class triangle : figure {} does that mean that i should never ever use the square and triangle classes but only refer to figure ? like never do like this: var x = new square();

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  • Data-driven animation states

    - by user8363
    I'm trying to handle animations in a 2D game engine hobby project, without hard-coding them. Hard coding animation states seems like a common but very strange phenomenon, to me. A little background: I'm working with an entity system where components are bags of data and subsystems act upon them. I chose to use a polling system to update animation states. With animation states I mean: "walking_left", "running_left", "walking_right", "shooting", ... My idea to handle animations was to design it as a data driven model. Data could be stored in an xml file, a rdbms, ... And could be loaded at the start of a game / level/ ... This way you can easily edit animations and transitions without having to go change the code everywhere in your game. As an example I made an xml draft of the data definitions I had in mind. One very important piece of data would simply be the description of an animation. An animation would have a unique id (a descriptive name). It would hold a reference id to an image (the sprite sheet it uses, because different animations may use different sprite sheets). The frames per second to run the animation on. The "replay" here defines if an animation should be run once or infinitely. Then I defined a list of rectangles as frames. <animation id='WIZARD_WALK_LEFT'> <image id='WIZARD_WALKING' /> <fps>50</fps> <replay>true</replay> <frames> <rectangle> <x>0</x> <y>0</y> <width>45</width> <height>45</height> </rectangle> <rectangle> <x>45</x> <y>0</y> <width>45</width> <height>45</height> </rectangle> </frames> </animation> Animation data would be loaded and held in an animation resource pool and referenced by game entities that are using it. It would be treated as a resource like an image, a sound, a texture, ... The second piece of data to define would be a state machine to handle animation states and transitions. This defines each state a game entity can be in, which states it can transition to and what triggers that state change. This state machine would differ from entity to entity. Because a bird might have states "walking" and "flying" while a human would only have the state "walking". However it could be shared by different entities because multiple humans will probably have the same states (especially when you define some common NPCs like monsters, etc). Additionally an orc might have the same states as a human. Just to demonstrate that this state definition might be shared but only by a select group of game entities. <state id='IDLE'> <event trigger='LEFT_DOWN' goto='MOVING_LEFT' /> <event trigger='RIGHT_DOWN' goto='MOVING_RIGHT' /> </state> <state id='MOVING_LEFT'> <event trigger='LEFT_UP' goto='IDLE' /> <event trigger='RIGHT_DOWN' goto='MOVING_RIGHT' /> </state> <state id='MOVING_RIGHT'> <event trigger='RIGHT_UP' goto='IDLE' /> <event trigger='LEFT_DOWN' goto='MOVING_LEFT' /> </state> These states can be handled by a polling system. Each game tick it grabs the current state of a game entity and checks all triggers. If a condition is met it changes the entity's state to the "goto" state. The last part I was struggling with was how to bind animation data and animation states to an entity. The most logical approach seemed to me to add a pointer to the state machine data an entity uses and to define for each state in that machine what animation it uses. Here is an xml example how I would define the animation behavior and graphical representation of some common entities in a game, by addressing animation state and animation data id. Note that both "wizard" and "orc" have the same animation states but a different animation. Also, a different animation could mean a different sprite sheet, or even a different sequence of animations (an animation could be longer or shorter). <entity name="wizard"> <state id="IDLE" animation="WIZARD_IDLE" /> <state id="MOVING_LEFT" animation="WIZARD_WALK_LEFT" /> </entity> <entity name="orc"> <state id="IDLE" animation="ORC_IDLE" /> <state id="MOVING_LEFT" animation="ORC_WALK_LEFT" /> </entity> When the entity is being created it would add a list of states with state machine data and an animation data reference. In the future I would use the entity system to build whole entities by defining components in a similar xml format. -- This is what I have come up with after some research. However I had some trouble getting my head around it, so I was hoping op some feedback. Is there something here what doesn't make sense, or is there a better way to handle these things? I grasped the idea of iterating through frames but I'm having trouble to take it a step further and this is my attempt to do that.

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  • ASP.NET 2.0 in Virtual Trying to Use SQL State Server

    - by user251660
    We have IIS 6 running on a W2003 Server. The root web site is running a v1.1 site. Under this site we have a virtual running a v2.0 site (with a separate application pool). The web.config for the root site is using SQL as its state server and has a 1.1 SQL state server database installed. The 2.0 virtual web.config does not need state and its web.config has no reference to a state server. When we attempt to call the virtual we receive this error message. "Unable to use SQL Server because ASP.NET version 2.0 Session State is not installed on the SQL server. Please install ASP.NET Session State SQL Server version 2.0 or above. This issue is currently only occurring on one web server. The rest are able to run the 2.0 virtual application. I also notice that if we call the 2.0 virtual with the IP address it does not generate the error, however if we call it with the host header name it generates the error (this behavior is only on the 1 web server with the error, all the others can be called with either the ip or host header without error). As an additional note the root and virtual are running with SSL. My theory is that the virtual 2.0 application is inheriting the 1.1 web.config state server entry from the root and when it looks at the state server it sees it as a 1.1 version and reports the error that it needs a 2.0 state server. I however cannot understand why the other servers are not behaving in this matter. All of the servers are on the same OS service pack as well as the same version of .net framework. Any ideas? Thanks

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  • Windows 7 installation: drive selection doesn't show drive letter

    - by FrozenKing
    I am eager to get this answer i.e. in Windows 7 when we format the computer there is a problem that when we have to select drive for formatting, it doesn't show drive letter. *I need a solution wherein when I format I want to know its drive letter so that I may not be confused while formatting. *See the difference between windows xp and windows 7. I want windows 7 to show drive letters like windows xp. Does any one know why windows 7 doesn't show drive letters.

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  • Can Windows tell me what is using my USB drive?

    - by PP
    Being the good citizen I am, I left-click on the "Safely Remove Hardware" icon in my taskbar, and select my USB drive to dismount. Then I get the message: Windows can't stop your 'Generic volume device because it is in use. Close any programs or windows that might be using the device, and then try again later. Of course, being the Operating System, it knows exactly what applications are using my device. So why won't it tell me? As usual, I always end my Vista questions with this plea: anyone know a Microsoft Engineer I can kick?

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  • External Hard Drive Won't Mount - MAC OSX

    - by dtj
    I have a Western Digital hard drive that's about 4 or 5 years old. It's 500 GB, USB. I use it to backup my Mac every so often. I had it partitioned: 1 side for full backups, and the other side for general storage of music, installers, etc. I decided to get rid of the partition today and dump all the data. So I opened disk utility, and hit 'erase'. It started thinking and then disk utility crashed. After the crash, the hard drive won't mount, however disk utility still sees the drive, but not the individual volume within. I tried booting up Disk Warrior and no luck there either. It has the drive as an "unknown drive". When I hit rebuild, it goes through all it steps and then stops cause of this error: The drive "unknown" is severely damaged and DiskWarrior is unable to determine its case sensitivity What can I do at this point? There isn't any physical damage to the drive. Never been dropped or anything.

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  • IDE/PATA high-speed hard drive dock

    - by wfaulk
    I frequently need to access bare drives for backups and need a quick, high-speed way to deal with them. There are a multitude of SATA hard drive docks (for example), but I have a lot of IDE/PATA (hereafter "IDE") drives that I would like to be able to use similarly. There are IDE-to-SATA adapters so you can plug your IDE hard drive into a SATA port, so I don't see any reason why you couldn't use the same technology to have a native dock, yet none seems to exist. Now, I'm aware that 3.5" IDE drives do not have a specification for the layout of the connector, and therefore can't be slapped into a dock the same way a SATA drive could, but 2.5" PATA drives do. In fact, I'm not terribly interested in supporting 3.5" drives. It would be nice, but I deal with them far less frequently than 2.5" drives. Also, I'd very much like for the connection to the computer be faster than USB, preferably eSATA, I don't want to be spending time mounting a drive inside an enclosure, I don't want bare drives lying around with a cable hanging off of them, and I'd prefer a single dock rather than two. What seems like the ideal solution to me would be a regular SATA→eSATA dock and some sort of screwless adapter for IDE drives, but I'm open to any suggestions, regardless of my stated preferences, but which are, in some sort of order of preference: high-speed (faster than USB, at least) holder for drive (not just a cable) no complicated enclosure support for 3.5" IDE drives single dock Updates: Here's a 3.5" IDE to 3.5" SATA docking adapter that could be part of the solution. Weird. I figured that would be the impossible part. I was hoping to find something like this 2.5" to 3.5" SATA chassis that would take a 44-pin IDE drive internally. It looks like the Vantec EZ Swap EX comes awfully close. It has its own bay dock, but it looks like the SATA ports on the back are spaced properly, even if they're not aligned quite properly. Unfortunately, the proper position is at the very edge of the drive, which means that the docks' connectors are at the very edge of their recesses, which means there's no way to fit it in there.

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  • MS Dynamic CRM 4.0 serviceappointment closed state javascript event

    - by Jeroen
    Hi, I need to do the following: In Crm, you have serviceappointments (serviceactivities). 1 appointment can have a state, ( like arrived, pending, closed, ... ). When i save the form (onsave event), It should catch if the form is putted closed state and then it should do something. I can get the state easily: alert(crmForm.all.statuscode.DataValue) I hanged this onto an onsave event. But when i put a serviceappointment into closed state, it first calls the onsave event with previous state and then puts it in closed state. Is it possible to catch if it's putted in closed state?

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  • Populating a drive that was formated to ntsf on seperate computer

    - by Will Love
    I recently downloaded some files that were over 4gb and wouldnt do a straight transfer to a external hd. this is all being done on a serperate computer we shall call computer1. my computer(computer2) is where im trying to get the files too. i used cmd to "Soft format" the drive to NTSF on computer1 so i could then take the drive to transfer the files to computer2. this was suppose to allow the format change without losing the files i had on there already... after the proccess was done i checked the drive on computer1 and all the old files were there and working....when i took the drive back to computer2 to transfer the files i had just downloaded from computer2 my computer...computer1:wont reconize or populate the external drive so it can give it a drive letter and function. the external drive works fine on computer1, but how do i get it to work again on computer2? when i try to populate it, i cant access the properties function in order to make permissions for everyone so it is reconized....any help would be greatfull..... also i am running windows 7 ultimate edition if that helps.

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