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• Thermal risks to other components when watercooling CPU

  - by B Sharp

  I recently ordered all the components for a new desktop system to replace my old, dying computer. I wanted to have a really quiet desktop, so I got a case rated for being quiet and opted to try a closed-system CPU water cooling kit (Antec Kuhler H2O 620) that was on sale for a very good price over the Thanksgiving weekend. Most of my components are still in transit, but I became somewhat worried when a friend mentioned that abandoning air cooling units can result in heat buildup inside the case due to heat generated by the video card and other components such as RAM, the northbridge, MOSFETs and voltage regulators radiating heat that the CPU fan would normally at least keep circulating around so it doesn't build up in localized areas. Is this a realistic problem? What other precautions should I take to remove heat from other components? Adding more case fans seems like it would get really noisy. Are there quiet alternatives?

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• Is it possible to modify a color scheme and windows decorations in Xfce4?

  - by Juhele

  just testing PCLinuxOS Phoenix XFCE Edition 2011-07 which I would like to install on my grandpa's PC instead older PCLOS 2009 with KDE3 (which is almost impossible to upgrade). The PC is relatively older one (Sempron 2200+ CPU, MSI K7N2GM2 board with integrated GeForce 440MX series graphics, 1GB RAM and 80GB IDE HDD) and I thought that it is too weak for KDE4. I already used Xfce in the past (Sam Linux 2006 and 2007), but in new Xfce4 I am not able to somehow change the windows color scheme and the windows decorations - the settings manager offers me switching between preinstalled themes but it is possible to modify them with some GUI?

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• Do I really need Microsoft Updates?

  - by Tony Wong

  When I install a fresh copy of Windows XP Home (I bought it from the store.. not a copy), my PC rocks like lightening speed. But when I start installing all the updates, patches & less .NET 4.0 client (as the .NET 4.0 Client seems to bring machine to slow crawl). The PC starts to slow down.. like there are more resources to watch or something is happening in the background. So could I not get away with an awesome virus protector and an awesome firewall set-up and avoid all the patches? The machine I have is a quad 4, 4 GB RAM and 2.3 GHz process. Tons of room and the machine can run several applications at one time.. but when the updates happen.. it's s-l-o-w!

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• Using MongoDB + Redis + Apache on the same server in production?

  - by Dayson

  I intend to launch my web app using a 8 GB VPS. It uses MongoDB + Redis for storage/caching and Apache + PHP-FPM for serving requests. Could there be any issues with running Mongo + Redis + Apache on the same server? Would it make more sense to setup 2 x 4 GB VPS servers and keep Mongo on one and Redis + Apache on another? Should I just start with one server and worry about scaling horizontally later by delegating the existing server to Mongo in the future (due to its large RAM) and moving the web servers on to multiple smaller VPS'?

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• Blue screen MEMORY_MANAGEMENT on Windows 7 Enterprise

  - by Lucas Kauffman

  I'm running a machine (MSI GT 70) with 32 GB ram as a mobile server. It seems that at random points in time it will BSOD with as message MEMORY_MANAGEMENT. So the first thing I did was do several memtests, but they did not give away any defective modules. I'm a bit clueless at the moment as it just seems to happen at random points in time giving me little or no indication of what might be wrong. I opened up the dumps with BSODviewer, they just seem to point to the windows kernel. I tried reinstalling Windows but the behavior remains the same.

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• Best memory-efficient web browser for Ubuntu?

  - by Steve K

  I've installed Ubuntu 10.10 on an old laptop with only 756 MB of RAM, Pentium M 1.6 processor. I'm using Google Chrome 11.0 (dev channel) for web browsing, and it appears to be using up most of my memory and processor time. Does anyone know of a better browser than Chrome on Ubuntu, for an older computer like mine? I'm new to Ubuntu, so there may also be tweaks I can make to my existing system to have it perform better. But right now it's pretty slow when I've got ~5-10 tabs open. Related question: memory-efficient web-browser

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• Chipset GPU causes a massive slowdown

  - by zyboxenterprises

  My AMD Radeon HD 7700 recently broke (fan stopped working and GPU overheated), and now I'm running on internal chipset graphics, and it causes a massive slowdown of the whole PC. I've changed the graphics memory from 32MB (minimum) to 256MB (highest), and it hasn't made any difference whatsoever. I'm using Windows Aero, and disabling it should have made a small difference, but it didn't; the whole PC is still slow. I know that it's not the computer build, because I built it myself, and it was a lot faster when it had the AMD Radeon HD 7700 in it, which is the reason why I believe it's the internal chipset graphics that are causing the problem. Is this behavior normal? I don't have the cash right now to go out and buy a new dedicated GPU. I'm using an ASRock N68C-GS FX motherboard with an AMD FX 4100 (overclocked to 4.3GHZ), with 4GB RAM. The overclock was an attempt to resolve this issue, and it isn't related to this issue that the integrated graphics is causing a slowdown.

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• monitor just what's going on -on a firewall

  - by bbutle01

  I have this little snapgear firewall. It's a little purpose built box running a custom linux, SH4 processor @240 Mhz, 64MB of ram. Basically how close we are to capacity is a mystery to me. I know I can run top and see the status of all the processes, but how can I see just how much of the processor is going to passing data... and how to estimate when I'm going to need to upgrade, and by tweaking iptables rules, how does that help/hurt the processor. suggestions?

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• I have static noise in my speakers and headset

  - by Kazarion

  I have been having a problem with my computer where I am constantly getting static from the point I turn on my PC. I have changed Towers, Hard Drives, added and removed a Sound Blaster Xtreme Sound Card, used 3 different Headsets, and 2 sets of speakers. Lately I have noticed random dips in my frame rates when playing games. Is there any possibility that the graphics card could be causing the static with the possibility of it needing to go in for repairs? Specs: i5-3570K 3.40 GHZ Gigabyte GTX 570 8GB of Corsair Ram MB ASUS|P8Z77-V Z77 3TB Seagate Barracude HDD Rosewill 850W PSU Corsair A70 Heatsink

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• buying a computer wondering about the pit falls of haveing a 64 bit OS

  - by biladsf

  _I am getting a custom laptop, i only do .net development, i dont play games or download gbs of video/music. I just want a fast computer. Right now in order to get 8gbs of ram i have to have the 64 bit version of 7. I need to know the following: What pitfalls could i encounter. i know a lot of apps out there are not 64 bit apps and only come in 32 bit version. Business Intelligence Development Studio is a good example. _

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• Linux Live CD for old computer

  - by Joel Coehoorn

  I have a pentium II (that's right, pentium II) with a scant 200MB of ram. This was a high-end workstation in it's day. The machine currently runs dos on a raid array, and I need to pull some data from it. I figure my best chance at this is to use a linux live cd to copy the data to one of our active directory network shares (there is a network card in the machine). Unfortunately, my linux skills are abysmal, so I'm not sure where to get started: Where should I look to find a linux cd that will run well on such an old system Since I'm likely gonna need to be command-line only, what do I need to do to configure the network card and mount the network share via the command line? Bonus points: exact syntax needed to copy and convert the entire volume for use in VMware server 2.0, but really just copying all the data should be enough.

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• Is it better to always purchase as much as higher in Watts SMPS, for PC?

  - by metal gear solid

  Is it better to always purchase as much as higher in Watts SMPS, for PC? Does higer watts SMPS also consume more power (electricity bill)? How to know how much watts of SMPS we should purchase? What are factor who decide how much watt of power will need? I'm going to purchase a new Motherboard + CPU + HDD + RAM + DVD Wrtiter + SATA 500 GB HDD ? I'm not purchasing any external Graphic Card. How to decide which watt of SMPS ,I should purchase?

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• MS Paint: how to enter proper text?

  - by Peter Mortensen

  How do I enter normal text in Microsoft Paint? Normally I don't have any problems adding text to an image in Paint. But I ran into this problem: The text is supposed to be "abcdefd" (entered in a text editor and pasted). The same characters appear if typed directly. So apparently it is using some other character set. How do I restore normal operation? Platform: MS Paint 5.2, Windows XP Professional x64 SP2, 8 GB RAM.

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• SQL 2008 Memory Usage

  - by Danilo Brambilla

  I have a SQL Server 2008 (ver 10.0.1600) running on a Windows Server 2008 R2 Enterprise server with 8 GB of physical ram. If I open Task Manager I can see on 'Physical Memory' section of 'Performance' tab that only 340 MB are Available of 8191 Total, but I can't see any process using such amount of memory. Please note SQL Server is memory limited to 6GB (Maximum Server Memory = 6000). If I open Sysinternals Process Explorer, I can see sqlsrvr.exe process has: Private Bytes: 227.000 K Working Set: 140.000 K Virtual Size: 8.762.000 K What does this means? Is there any way to free up this memory for other process? Why Virtual Size figure as allocated memory? I thought that Virtual Size was 'reserved memory' only.

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• windows 7 frequently crashes when running 64 bit debian on virtualbox

  - by erin c

  I've been having some hard times with Virtualbox. I use it to run 64-bit Debian guest on a Windows 7 host to be able to code for linux systems. It generally crashes when I build my code in eclipse cdt, or if I am doing some intensive operations. Should I lower the memory and core usage? Is this some sort of virtualbox problem? I upgraded to virtualbox v4.1.8 and the problem still occurs. My virtual machine instance uses 1736MB out of 4GB of ram, and I use 2 out of 8 processor cores. But still, the whole thing crashes 1 or 2 times every single day.

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• Will a higher hard drive size affect performance

  - by user273010

  My laptop came with a 500 GB hard drive. I use my laptop for storing my digital photographs, and only have about 14 GB of file storage left on the original hard drive. I have a 750 GB external hard drive, but am leery of relying on it for primary storage as I tend to knock things over and it has already crashed once and I lost a lot of the files. I am looking at a 1 TB internal hard drive, but am concerned if storing so much data will affect the computer's performance. Should I also increase RAM from 4 to 8 GB (the limit for my 64-bit, Windows 7, Asus A54C laptop)?

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• Upgrading Mac OS X 10.5.8 Corrupted Lightroom 2.7

  - by Tedd

  I use Photoshop CS4 and Lightroom 2. I recntly upgraded to 10.5.8 and began to have issues with LR. So, I reinstalled and downgraded my OS. I'm now running 10.5.2 on my MacBook 2.4G Core Duo with 4G RAM. Everything works fine now, but the downgrade also resulted in having only Safari 3.0.4 and and older version of iTunes. I can't upgrade either of those until I upgrade the OS but I'm reluctant to do so because I might have problems again. Any suggestions? Install 10.6 instead? What kind of issues can I expect from that?

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• Why does the CPU usage reach 100% when laptop is plugged in?

  - by Mayank

  I have an HP Elitebook 8440p with Windows 7 Ultimate, i7 Processor and 8 GB RAM. For the last couple of days, when I plug-in my laptop for charging, the CPU usage shoots up to 100% and remains there for around 15 minutes. No offending process shows up in Task Manager/Process Explorer but the laptop is practically unusable for that time. The CPU usage becomes normal when I remove the power cord but shoots up again when plugged back. This is happening with different power adapters/wall sockets so it might not be a faulty adapter issue. Why is this happening and any pointer to resolve this issue?

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• Intel Rapid Start Driver Reinstallation doesn't work?

  - by elegantonyx

  I recently had to reformat my entire drive and reinstall Windows 7. Something that bothers me is that when I was downloading the Intel Rapid Start driver (I have a Lenovo Ideapad Y480, and it comes standard with the Rapid Start) and tried to install it, the installer claimed that my system did not meet the requirements in order to install, when it was previously installed by the OEM. My startup times have increased from 21 seconds to log-in screen to 50 seconds. Please help... Specs: Lenovo Ideapad Y480 Intel Core i7-3610 Ivy Bridge (quad-core) Nvidia Geforce 640M LE with 2gb VRAM 8GB RAM 1TB hard drive, 32 GB SSD (OEM installed)

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• System freezes for 5 seconds when seeking in or skipping to songs and videos

  - by pragmatick

  When I start playing a new video or MP3 or skip to a time when playing them, my system hangs for a couple of seconds. A restart solves this problem, but only for a while. It does not matter which player I use (VLC, Media Player, Winamp, Zoom Player), which media files or if they are located on a network drive or on the local hard drive. Everything else works flawlessly and after the playing has started, there are not problems - until I switch to another file. Additionally, when the Winamp playlist continues to the next song, the system does not hang. When I skip to the next song manually, the system hangs. I've been using Windows XP for years and consider myself a fairly professional windows user, but I have no idea what could cause this. Dual-core 2Ghz, 2GB RAM, Windows XP SP3, Audigy card with kxproject. Worked flawlessly for years. Would be glad if anyone could help.

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• Looking for Mini itx capable of running Photoshop + Illustrator (cs4 or higher)

  - by drozzy

  Ok, so I want to build a small pc for my gf that she can take with her instead of the crappy laptop that she has. Overall I think the complete system should not weight more than 10 lbs. The requirements are to run at least 4 applications simultaneously, and be able to switch between them with no problems: Photoshop Illustrator Word editor Browser Should be able to handle 1920x1200 resolution. I am currently looking at LGA775 socket as I can just transfer my desktop cpu Q6600 to it. Currently deciding between DQ45EK and DG41TX, but any other suggestions are welcome. So I am thinking something along the lines of: MINI-BOX M350 Case with 90 watt psu Q6600 cpu (my desktop cpu) 2x2GB kingston ram (or similar) Video? Need external or built-in G45 on DQ45EK will do? My primary concern is whether the 90WATT is sufficient of the Q6600? Thanks

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• Is it safe to run an operating system from an USB flash drive?

  - by Georg

  I've got a laptop that has a broken harddisk controller. Replacing the motherboard is quite expensive. I thought about buying a flash drive and installing & running the system from it. However, I'm concerned about some things. Speed: Are they fast enough for swap memory (I've got only 1GB RAM installed.) I'm considering buying 2 or 3 of them and making them into a RAID. What about limited write cycles? How long will it last for a system that has a filesystem with journaling enabled? I'd hate to abandon it. Are there significant differences between internal SSD which are used in modern laptops like MacBooks and USB flash drives? What should I expect in 10 years when the memory wear starts kicking in?

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• Minix3 on Vmware

  Hi, I install minix3 on vmware using installation CD i make using .iso image which is available @minix3 I make 2GB Harddisk, 512MB RAM on VMware, and installed step-by-step. It got installed and working fine. But i wana install 'packman' which is X window system. I'm not able to install it. It asks for installation CD, its still there and its detected also, but i couldn't proceed. Actually i install minix to learn Operating system design and Implementation :) Have any1 tried installing 'packman' i.e X window system on minix3. Please guide me. :)

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• Understanding why a 450W power supply is destroying my ATX motherboards but not mATX

  - by T. Webster

  Maybe I'm missing something really obvious here, but after going through 3 new motherboards in trying to build my new machine, I'm finally certain that the 450W power supply I bought has been destroying them. It seems like it should be simple: just connect the connectors where they fit and switch the thing on. But today after hooking it to my ASUS Sabertooth 990FX TUF Series Motherboard and switching it on, I could see and smell the smoke coming out of the motherboard. What I don't get is why I can hook this same 450W power supply up to my mATX motherboard and not run into the same problem. What am I missing here? Where on the box or manual is this? (I have 8x2 GB RAM, AMD FX-4100 3.6GHz CPU, 1 512MB ATI graphics card, 1 WD 7200 RPM SATA hard drive. )

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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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