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  • Can I build or test a computer without a case?

    - by jasondavis
    I am in the process of building a really nice new PC right now. It's going to have a nice Lian Li case with the internals powder coated black and all the wires will be sleeved. So my problem is I am getting parts in a couple days but my case will not be completed for about a month because it is on back order plus time to powder coat it. I am purchasing many of m y parts from newegg.com and they claim you must return any dead parts within 30 days or the invoice for there warranty to replace bad parts. So is it possible for me to set up the PC without a case just to test that the main parts are working correctly within the timeframe I am allowed? If this is possible, how do I deal with turning the system on/off without a powere button? Or is therer one on a motherboard? Thanks for any tips/advice

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  • Small business: what should I know about computer security?

    - by geschema
    I run a small (1 man) consulting company in the field of embedded systems, working from home using a standard DSL internet access. My main development machine is a Windows XP PC, which is connected to the router with an ethernet cable. I also have a MacBook Pro laptop, which is connects to the network via WLAN (WPA-PSK). Besides enabling the Windows firewall, not using IE, having an up-to-date antivirus program and strong passwords, what do I need to know to keep my customers' data safe on these computers?

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  • My computer is listed twice in the Network view; network shares are not accessible

    - by romkyns
    I have a couple of network shares set up on my Win7 machine. They've been in constant use, from that same machine on which they're set up. One morning they just randomly stopped working: When I went looking for what was wrong, I noticed that I also had my PC listed twice in the Network view in Explorer: "Sirius" is the name of the PC on which these screenshots were taken. I may have installed some windows updates around the time this happened. I have since tried rebooting and installing all the latest updates, to no avail. I've also removed the share in question and re-added it, making sure I give all rights to everyone. I'm an administrator on this machine, but I can't access the administrative shares (\\SIRIUS\c$) either, with the same message. I can access \\localhost\AcronisImages and \\localhost\c$, and I can ping sirius. Any ideas?

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  • Screen resolution of monitor is wrong every time I turn the computer on?

    - by utahco
    Hi, Im just wondering if there is a solution to my weird problem. Every time I turn on my PC the viewport isn't aligned correctly on the screen - there is always a black strip on the right hand side. This is not a big issue as it can be resolved by pressing the menu button on the screen and doing a factory reset. However it is irritating having to do it every time. The weird thing it never used to happen before with the tower Im using. Is potentially out of date drivers a problem? Thanks.

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  • My internet drops and will only reconnect if I troubleshoot it or restart my computer.

    - by Paul
    My internet loses its connection and at the same time, and my speaker seems broken if that happens and my mouse will not be smooth as it was before it happens. It already happened before and I didnt mind it. But now, it's happening literally all the time. After startup, my connection seems okay but after some few minutes, even without me doing something, my laptop will just lose its connection. It says that it is not connected and connections are available, but if I check if there are connections where I can connect it shows nothing. Even if, there is actually a wi-fi connection where my phone and other laptops connect. They dont seem to have problem with it. Just my laptop. After that happens, I usually restart my laptop but I discovered that troubleshooting it would somehow repair the problem, but not all the time. It says that restarting my wireless adapter do the job. Are there any long term fix? I mean that could last long or totally erase the problem? I have Atheros AR5B97 Wireless Network Adapter and Microsoft Virtual WiFi Miniport Adapter, both enabled. On the services, I have Wired AutoConfig and WLAN AutoConfig on Automatic. Aspire 4750, Windows 7 (x86)

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  • Why does this work: Windows same local admin username and password, able to access other computer?

    - by Ankush
    I've two machines MachineA and MachineB. Both have two local accounts which have same username . Both accounts are local admin on those machines. If they have same password, I'm able to access \\MachineA\C$ from MachineB. But if I change any one password above doesn't work. And it prompts for username and password. Now if I provide MachineA\username and password, it then connects. Why isn't there a prompt for password when passwords are same? I expected passwords to be hashed with random salt, how does windows know passwords are same and authorize access? These machines are running Windows Server 2008 R2. PS. I've created following reg key to enable drive access HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\LocalAccountTokenFilterPolicy to 1

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  • How to stop computer waking up from sleep when LAN connected.

    - by jmatthias
    I have a Compaq desktop machine that wakes up from sleep only when the LAN cable is connected to it. The WOL feature is DISABLED in the BIOS, so why does it keep waking up? And why is it getting told to wake up? I was under the impression that an application or service has to specifically send a message to the machine in order to wake it up but I am not aware of any software on my network that would do this.

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  • Find computer names on a private network (with nmap?)

    - by paracaudex
    On a LAN, I want to find out the names of all the connected computers using a cross-platform program, preferably nmap. I know I can do nmap -sn xxx.xxx.xxx.xxx/24 (where xxx.xxx.xxx.xxx is a local IP address) to find hosts which are up, but how do I find the computers' hostnames? Do they broadcast this in a way that I can find using nmap? UPDATE: It looks like Angry IP Scanner can do this. How does it do this? Can I replicate it with nmap?

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  • How do you access timemachine backups of a different computer?

    - by baloo
    I'm currently backing up using WD My Book World network drive that supports Apple Time Machine. I would like to copy some files from my old laptop backup. However, my old backup isn't showing when you browse the time machine network drive, only the currently used machine is listed (I know there are 3 different backups). How can I access those files not belonging to the currently used laptop?

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  • How do you access timemachine backups of a different computer?

    - by baloo
    I'm currently backing up using WD My Book World network drive that supports Apple Time Machine. I would like to copy some files from my old laptop backup. However, my old backup isn't showing when you browse the time machine network drive, only the currently used machine is listed (I know there are 3 different backups). How can I access those files not belonging to the currently used laptop?

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  • Relaying to tech "support" that computer is actually broken.

    - by Sion
    First some background: I have a Dell Inspiron 15R M050, it is still under the Dell limited warranty and the Best Buy Extended warranty. I am currently dual booting Debian Squeeze and Windows 7, the only reason I go into Windows is to play video games specifically steam games. Issue: When I play my games in Windows I am capable of playing for anywhere from 5 minutes to 2 hours before I suffer a hard-lock. I cannot alt-tab, ctrl-alt-delete, ctrl-shift-escape do anything for 2-3 minutes. After this hard-lock period everything runs fine, I can continue the game for probably another hour at least before I suffer another lock. Games: Borderlands, Splinter Cell: Chaos Theory, Starcraft 2, Garrys Mod What I have tried: Running the diagnostic suite in the dell bios, restoring the OEM Windows recovery partition on the HD, fresh installing Windows 7 Professional, updating BIOS, Calling tech support and having them run a software Hardware Diagnostics suite. The question: I think from the research that I have performed that it might be a lack of thermal paste on the CPU, would I be able to go to Best Buy and have them do a hardware diagnostic from the hardware level then have them be able to tell Dell that there is a hardware issue? Or would there be a different problem?

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  • Could a computer act (dependably) as a wireless router for 200+ clients? [closed]

    - by awkwardusername
    That is, I have a Core 2 Duo E7500 at 2.93GHz, with 2GB memory. I plan to install either Windows Server 2012 or Zeroshell 2.0RC1, and it also (planning to) includes two PCIe Wireless Card Adapters. It also has one ethernet port, and I will connect that to another machine which will be a Database and a Web Server. My plan is to have a corporate level wireless intranet with 200+ clients. I cannot afford to buy routers because I want to operate at zero costs as possible, utilizing my available resources. Is that plan plausible? Also, what minimum specs should my wireless card have? @SvenW: Oh, I meant corporate on the deployment level. I am still an undergraduate and this is more of an educational and expiremental work than an actual project. I got Windows Server 2012 for free though, and this isn't actually for commercial use.

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  • Copy all installed programs & files in a hard disk (which has 32 bit Windows 7) and clone/transfer it to another computer which has 64 bit Windows 7

    - by galacticninja
    I recently got a new PC which has a 64-bit Windows 7 installed. The current PC that I am using has a 32-bit Windows 7 installed. I would like to know if there is a software that can copy all my installed programs and files in the hard disk with the 32-bit Windows 7 PC and transfer it to the newer PC's hard disk which has a 64 bit version of Windows 7. This is essentially like "cloning" a hard disk but I would like to use a 64-bit OS in the target drive, instead of also using the 32-bit OS of the source drive. I would like to do this I can avoid reinstalling and reconfiguring my installed programs and files again on the new PC. If possible, I would like the new PC to work as it was in my previous PC, with the installed programs, configuration and files intact except that the OS is now 64-bit and the hard disk has a larger capacity. I have heard of programs that can clone a hard disk, but my concern is that the 32-bit Windows 7 OS will also be cloned to the new 64-bit PC. If it is not possible to transfer my installed programs and settings like the way I described, are there software that can make it easier to migrate my installed programs, their configurations and my files from a 32-bit Windows 7 PC to a 64-bit Windows 7 PC? Details: I have a SATA to USB connector/adapter to copy files in the current hard disk to the newer one. The two PCs are connected through LAN, so I can also transfer files through LAN. Both PCs only have one hard disk.

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  • IIS 7.5 fails to open database after computer machine on that database server is working restarts.

    - by Jenea
    Hi. I decided to post this question also here in case the issues we have is related to sql server. There is a problem that bother me for some time. I have an asp.net mvc that uses NHibernate for modeling the database. The infrastructure is the following: Windows 2008 R2 for all virtual machines. IIS 7.5 is working on one virtual machine. Sql Server 2008 is working on another virtual machine. We have couple of databases, two that stores application data and one that registers all unhandled exceptions. Sometimes virtual machine that hosts database server restarts (in the middle of the night, not quite sure about the reason) after that connection to the databases that stores application data is not working and as result there are thousands of unhandled exceptions that get registered in the third database. Important to mention that databases are accessible from Management Studio. The problem is solved by resetting IIS. Connetion are handled via NHibernateUtil class which opens and closes session at each request.

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  • Why does my computer run slowly and freeze sometimes?

    - by Brae
    EDIT I disabled sound in the BIOS, rebooted and it hung. I removed the (previously) faulty HDD, rebooted and it hung. I have managed to get my Realtek audio manager open again after its mysterious disappearance. Subsequently my microphone is now working again, to fix it I had to uninstall audio drivers, disable audio in BIOS, install audio drivers, enable audio in BIOS. Access via network (with faulty HDD in) seems to not be triggering hangs at the moment. I think with the sound problem fixed it might play a little nicer, but I think its still going to hang. If it does, then I'm fairly sure its been narrowed down to the mobo. EDIT Pretty convinced my motherboard is the culprit, because nothing else seems to have any obvious problems (bar the hard drive, which the PC still hangs without it being plugged in) So thank you all for helping, once I get more rep ill up a few of the answers. My PC is doing some weird things... Sometimes when I open up a program, lets say Adobe Photoshop, it will load everything normally, nice and quick no problems and I can use it fine. Other times its a little odd, and it loads the program as if it's only using half of the CPU. It's pretty obvious when it does it, normally the loading screen skims past, but when it does this weird load you see it slowly tick though each thing, and the program itself becomes incredibly slow. Even Google Chrome does it sometimes. Yet when I exit and reopen the program without doing anything else, it typically opens fine without lagging. I think this problem is probably a symptom of something bigger, because of other problems I'm having. Random hangs; no matter what I have open or what I'm doing. My PC will sort of freeze up for a few seconds. If music is playing it will either loop the last second or two, or it will buzz. This only lasts for a few seconds then it returns to normal without having to restart. During this time all programs lock up and freeze, and the mouse and keyboard are useless. I am also having a weird issue with my audio jacks, without touching my PC at all, sometimes I will see a popup saying that I have unplugged something or plugged something in, neither of which has actually happened. Pretty sure this is cause by the motherboard. I recently had a 'Pink Screen of Death' (yes pink) which pointed to my audio drivers. The lockups seem to happen with some consistency when someone is accessing my shared files via my home LAN. Which leads me to believe either one of my hard drives is acting up or more likely the controller. One of my drives had a bit of a crash before, I used Spinrite and managed to recover my stuff and now the drive appears to be working okay. This is possibly adding to the problems. My best guess is something has gone wrong with my motherboard, possibly a power issue or a chip has died, I really don't know. So what I would like to know is: Have I have missed some obvious diagnostic to help figure out what it is, or should I just bite the bullet and assume its my motherboard acting up and buy a new system? dxdiag[64-bit] - http://pastebin.com/G30kb2TL PSOD (minidump) - http://pastebin.com/aZsv0H56 HWiNFO64 (system info / specs) - http://pastebin.com/X6h3K8g6

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