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• 'Game Show' presentation

  - by albatross

  I work at a state university, and every day of summer orientation we have a little jeopardy-like game that new students' parents play. We run it in an auditorium. Right now the game is a powerpoint presentation (set up similar to jeopardy) off an old laptop running Powerpoint 2003. What I want to do is to purchase & use a smaller tablet/mini-book with a touchscreen. The touchscreen would be much more professional than dragging a mouse around the screen to select category questions. I also want to use hot keys during the presentation for sound effects (for correct + incorrect answers), and I want to play music and show an automated slideshow (photos from the day). This device would need vga or hdmi and audio out. I've been looking at iPads and iPad alternatives, but figured someone out there might have a better idea or done this before.

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• Adding extra fan on my setup. please advice on proper Exhaust or Intake of Fan.

  - by Pennf0lio

  Hi, I modify my Computer case so that I can add more computer fan to make my computer cool this summer. I would need your thoughts how I can improve my idea and I'm open to all of your advices. Status: Fan Position (The blue circles are the fan's location) At the side I have to intake blowing fresh air at the motherboard and at the top and back I have Exhaust fan blowing out hot air. The computer fans will be powered by 12v adapter (recycled) so that my power supply wouldn't be overloaded. I need a practical advice, I don't want to spend to much on this. Thanks.

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• Asus z53 laptop overheating problem

  - by Tiberiu Hajas

  hi all, wondering if anyone encountered overheating of asus laptop ? especially the z53 model ? usually the right side of the laptop and vent in the upper corner is blowing hot air when under even minimal load, the CPU temperature can easily get to 65-70C and GPU is even above 80C. I'm using NHC (notebook health control) to set to a higher conservatory power consumption but that helps only a bit, anyone opened up the case ? wondering is require a dust clean ...etc ? I still have some warranty on it. thanks

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• How to control fan speed on Compaq Presario under Ubuntu?

  - by Josh

  I have a Compaq Presario R4000 running Ubuntu Linux 9.10 karmic. The system runs very hot and one of the fans is wither never running or always running at the slowest speed. For a while I thought the fan was dead but I just updated the BIOS (Phoenix BIOS) and during the update, that fan suddenly kicked in at full speed! How can I get that fan to spin up during normal usage? I have tried sensores-detect but all it found was k8temp, no fans... (SpeedFan under windows found no fans either)

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• Open Windows Server 2012/Windows 8 Start Menu

  - by bmccleary

  I realize that Windows Server 2012 (and Windows 8) removed the start menu button and replaced it with moving your mouse to the upper right corner of the screen. This works fine when the desktop is full screen. However, I access all my servers through windowed RDP connections (or through the Hyper-V console window) and in this case, the desktop is not full screen. Therefore, in order to open the new "start" menu, I have to slowly move my mouse very carefully within the window to just a few pixels within top right corner of the window in order to open the menu. Also, because the session is windowed, the default hot keys (Windows + D, etc.) won't work. There has got to be an easier way. Has anyone else experienced this frustration?

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• MacBook Pro screen goes dark

  - by Mike M

  I've had my MacBook Pro for two years now; no problems so far (it has had 3rd party RAM from the get go). Today, I'm copying a particularly large VM from an External disk drive to local MacBook disk. It has about 3GB to go and I take off to do some other things and when I come back my screen is "dark". The computer is still on but I can't see anything. I forced a reboot by holding down the power button, it starts up with the "chimes", but still no screen. I've done this several times. Any ideas? Do you think the hard disk activity caused it to get too hot?

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• HP DL380 G5 Predictive Drive Failure on a new drive

  - by CharlieJ

  Consolidated Error Report: Controller: Smart Array P400 in slot 3 Device: Physical Drive 1I:1:1 Message: Predictive failure. We have an HP DL380 G5 server with two 72GB 15k SAS drives configured in RAID1. A couple weeks ago, the server reported a drive failure on Drive 1. We replaced the drive with a brand new HDD -- same spares number. A few days ago, the server started reporting a predictive drive failure on the new drive, in the same bay. Is it likely the new drive is bad... or more likely we have a bay failure problem? This is a production server, so any advice would be appreciated. I have another spare drive, so I can hot swap it if this is a fluke and new drive is just bad. THANKS! CharlieJ

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• This is probably a horrible idea; putting a Mac Mini in a mini-fridge [closed]

  - by Christian A. Strømmen

  Possible Duplicate: Putting servers inside a refrigerator? Just moved to a new house and had to place my Mac Mini server in the attic. Now this is really nice and cool at this time of the year, but during summer it's going to get blistering hot up there, meaning I have to find a solution that won't kill my Mac Mini and the two WD external drives I have connected to it. Is there any good reason why I couldn't just buy a mini-fridge and put them inside that? The only thing I can think of is condensation building up, but I have no idea if that will be an issue or not. Something like this. And yes, I'm pretty sure this is a terrible idea, but I figured it was worth mentioning here and getting some feedback. What other options are there?

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• Impossible to stop raid device

  - by Traroth

  I'm trying to stop a RAID disk in order to replace it by a new one, as this one is not working properly. I'm typing mdadm --stop /dev/md1, and I'm getting an error message: mdadm: fail to stop array /dev/md1: Device or resource busy I'm getting this message even if I reboot the server, and I can't see a process that could cause this. The server is working under a Debian with a 2.6.18-4-amd64 kernel. Could you help? Edit: Mote details about what my colleague tried out. After unmounting sda1, the command mdadm --remove /dev/md0 /dev/sda1 worked. But now, we still have an error message after mdadm --remove /dev/md1 /dev/sda5: mdadm: hot remove failed for /dev/sda5: Device or resource busy I still don't understand completly how the different partitions are mounted, so I suppose there is something I don't understand in the currenct situation...

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• Can you plug-in the battery while laptop is on AC only?

  - by Ivan Petrushev

  Hello, I'm using my laptop at home with battery removed and only connected to the AC power. However I'm lacking the mobility as my power cord is kinda short. Is it safe from electrical point of view to plug in the battery while the laptop is connected to AC and disconnect the AC power afterwards? What about the opposite side of the question - is it safe (or what the damage could be) if you work on battery, plug in the AC and unplug the battery? If there are differents for different models of laptops, I'm asking about IBM Lenovo T60. Is there such thing as a 'hot-plug battery'?

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• Why does my computer show a black screen when booting into Windows Vista?

  - by dassouki

  Today, I removed some old software from dad's vista, and installed SP1. After which the computer restarted and it went into a "black" screen. I left it running for a few hours, and the laptop was really hot. I tried to get into safemode, start from last known good start up, but nothing seemed to work. i know it stops after loading \windows\system32\drivers\cplir.sys what's going on and how can I fix his computer? Update I'm still unable to fix my install. Repair and restoring the OS fail. The laptop has the vista partition built into it. I can't boot through a USB, and my other computer doesn't have a cd/dvd writer Update 2 I tried chkdisk /f and although it fixed some errors, I still get the black screen of death.

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• Update a war on Tomcat start up

  - by pater

  I want to setup an update process for an application running on Tomcat. The server which hosts tomcat is only open during working hours (it is an intraner application for a small company). I was thinking that I could upload the new war to the server and set up "something" to run on the next server boot. This something could be a bat file that will be executed on server start up but before the start up of the Tomcat service and it will delete the old war and its exploded folder. When I update manually the war I also delete the work folder of Tomcat (just to be sure). I know about hot deployment but I do not consider it an option since I am not very sure for the implications it might have on the users current working sessions. Is there a way to run such a bat file before Tomcat start up or an alternative way to do this update? Tomcat version isn't an issue. Now is running Tomcat 6 but I can upgrade to version 7 if needed.

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• A button to set all processes to on-hold for Linux?

  - by fuenfundachtzig

  When Linux starts swapping you're basically doomed. Very soon the system won't react to any input any more, but happily swap on until the end of days... Can you think of a command that holds all processes whatsoever, thus (and while) allowing you to open a clean shell where you can examine the source of the problem and kill the process which ate up all the memory? (I guess this won't be easy, because as the memory is probably completely filled up you'd need to swap out some more memory to gather space for opening a shell, on the other hand all other swapping processes must be stopped.) If you tied such a command to a hot key then maybe you can use this as an emergency button saving you a lot a time. Any ideas if this is possible at all? Has somebody tried something like this before? If one could realize this it would be a cool feature :)

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• Monitoring server room temperature

  - by user640

  I have a small server room with its own AC unit. Recently, the AC died, and the temperature increased from 70 F to 90 F. We rarely go in this room, so I was lucky that someone happened to notice that the fans were running a lot louder than normal as they walked past the door. It looks like I need a way to be notified when the temperature in that room gets too hot. What tools are you using to monitor the temperature in your server room? How does this tool notify you of a problem (email, SNMP, etc). Note: I've read this question on server temperature, but I'm interested in the whole room, not just the inside of a server case. Edit: Thanks for all the great responses so far! Many of these products measure much more than just temperature. What else should I be looking at and why?

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• VMWare and ALT GR key results in missing characters

  - by donat

  For some odd reason WMware products hijack the AltGy-key despite I make sure that other keys are used as hot keys to release mouse and keyboard from the virtual machine. While this is not a problem for US keyboards, european however who extensively use AltGR for characters such as pipe (|), at-sign (@), left brace ({) and right brace (}). This seem to happen both in Windows and Linux and I can not seem to find a solution that works for both. :( Anyone have an idea how to fix this without the need to modify the guest OS every time? Thank you.

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• Windows 7 on 1st Gen Macbook Pro (Q4-2008), power management problems.

  - by typemismatch

  I have the first generation macbook pro, purchased Q4 2008. I've been trying to run Windows 7 and can get it all installed great with the BootCamp 3.1 64 bit drivers however ... power management isn't great. The screen and keyboard don't automatically dim - the laptop gets too hot. I noticed on some newer macbook pros that windows 7 works perfectly and the above doesn't happen. Does anyone know if there really is a hardware issue with this 1st gen or is there some firmware update I can use to fix this? Thanks!

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• How can I reduce the CPU usage of Offline Files?

  - by Diego

  Whenever I have the Offline Files service running, there is a constant 25% CPU usage on svchost.exe (this is a quad core, so that means it's using up one core). This, in turn, triples the power consumption and keeps the machine hot... I do have several GB synchronized (music collection), but they are not changing at all, in either side. Am I misusing this feature? Is there anything I can configure to keep it down when there's nothing to do? Or should I forget about it and synchronize big folders manually?

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• Dell Powervault MD3000 - Not sharing Files between servers

  - by Kevin

  I'm a developer who has to set up a Dell Powervault MD3000 due to lack of resources. I have connected the Powervault to 2 Dell 2950 servers via the SAS cables. I performed the setup using Dell's MD Storage Manager software (4 disks, RAID 5 with hot spare). Then I added the disks using Windows 2003 disk management (Basic, not dynamic disk and formatted with NTFS). When I add files to the array from one server, they are not visible on the other server (and vice-versa). Is the error in the windows disk management configuration?

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• Areca 1880ix RAID hangs

  - by Dave

  Areca RAID controller ARC-1880ix-12 (firmware 1.50) hangs when on high load. My setup is: Chenbro 3U chassis Intel S5500BC mainboard Xeon 5603 CPU 16GB of RAM 12 Seagate SAS drives ST32000645SS (2 of them as hot spare, 10 as RAID10) Mellanox Infiniband HBA card This server is working as external infiniband storage for Xen VMs. When load is quite big Areca's firmware hangs - it becomes unreachable even from Areca's ethernet adapter. After resetting the server power it returns to normal operation. While Areca is hanged I can confirm that it is powered (ethernet link is active) and Infiniband HBA works Ok. Thanks in advance for any idea or suggestion where the problem might be!

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• need advice for storing data setup hardware for client with 80TB per year of data footprint increase

  - by dasko

  hi everyone, i currently have a client that will be adding replicated data from satellite locations in the number of approximately 80TB per year. with this said in year 2 we will have 160TB and so on year after year. i want to do some sort of raid 10 or raid 6 setup. i want to keep the servers to approximately 4u high and rack mounted. all suggestions welcome on a replication strategy. we will be wanting to have one instance of the data in house and the other to be co-located (any suggestions on co-locate sites too?). the obvious hardware will be something like a rack mount server with hot swap trays and dual xeon based type processors. the use of the data is for archives of information, files will be made up of small file sizes. i can add or expand to this question if it is too vague. thanks for looking.

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• Need a solution to stop students from rotating screen on laptops with intel graphics

  - by testguy

  We have some students who have figured out how to rotate the screen using either the hotkey combination or right click context menu. It's easy to fix but it's time consuming because no matter how many times I tell people how to fix it there's always someone that will come up to me. Now I need two things. First, is there a way to disable screen rotation? Second, I need a script to reset the screen resolution to normal on logon and logoff. The solutions need to be able to be deployed from a Win2003 server to WinXP clients. I have way too many computers to go through by hand to uncheck enable hot keys on the intel control panel.

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• Global hotkeys: songbird on KDE

  - by alpha1

  I'm running songbird on opensuse 11.2 KDE 4.3.1 on my EEE pc. On windows, there is a hotkey thing inside Songbird, so i set META F9,10,11,12 as media keys and it work just fine. On linux, there is not hotkey thing in songbird, and I would like to set those same hotkeys. I've played around with the Amarok Hotkeys, which are now setup that way, and looked in all the KDE shortcuts, but cannot find a way to add a new program and new hot keys. I know its possible, I did it before once, but the KDE shortcut programs have changed and I no longer see the stuff i used to do it before. I'd like to do the same to banshee at some point, but Songbird is the important program. Any Ideas? Any way to set those keys to generic media buttons?

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• Dell Power Edge R515 - Replacing a Bad Hard Drive in a RAID

  - by LonnieBest

  I've ordered a new hard drive to replace a bad one in a Dell Power Edge R515. The manual covers obvious topics regarding physical replacing of hard drives, but I've never done this before on a production server where RAID is involved. I've heard people talk about this topic, and I've heard that some servers have RAID controllers that are smart enough to allow you to just put in the new drive (hot swap), and then the server will know automatically how to rebuild that drive to be what the old one was to the system. Where do I find the proper procedure for replacing a failed hard drive on a live production Dell Power Edge R515? Can someone with experience tell me how easy or hard this usually is?

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• Ideal laptop specs for a Computer Science Masters student?

  - by Ayush

  I have a HP pavillion core 2 duo 2 GHz and 4 GB RAM, and it is painful to use this machine for any kind of coding. Eclipse (especially Juno) literally takes 5 minutes to load. And even after that, everything is lagy. Apart from school stuff, I also use my computer as a television. I watch Hulu, Netflix, YouTube etc in 720p, and this laptop gets hot as hell and the fans are loud enough to wake somebody up from deep sleep. I DON'T use my laptop for Gaming or Video/Photo Editing. I'm looking to buy a new laptop (in which most widely used IDEs would work smoothly and playing hi-def videos wouldn't be too much for the machine to handle) any suggestions (on hardware specs) would be greatly appreciated. Thanks

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• Hibernate speed, and hard drive temperature

  - by cometbill

  My computer is taking in the region of 4 minutes or so, to hibernate 4GB of RAM. Also, resting my hand on the top of it is rather hot to the touch, so I ran CrystalDisk Info and that is reporting a temperature of 49 degrees C. I It's a Western Digital 5400 rpm drive, I've had it in the laptop since I bought it for most of the 2.75 years I've had it. Power on Count is 1219 Power on Hours is 3940 hours Boot up time is quicker than resuming from hibernate, too. Is there anything I can / should check ? Advice is greatly appreciated.

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