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• Good Choice of Memory for Asus K52F-BBR5

  - by Christopher Painter

  I recently purchased an Asus K52F-BBR5 notebook. It's a basic laptop with an Intel P6100 CPU and Mobile Intel® HM55 Express Chipset. It came with 3GB of DDR3 SODIMM memory and I'd like to expand it to 8GB. I'm a little confused by DDR3 nomenclature and not up to date on my knowledge of chipsets. I'd like to make a good choice when selecting memory for it. Crucial's database suggests using either a PC3-8500 with CAS 7 or a PC3-10600 with a CAS of 9. Is the 8500 better because of it's CAS 7 or will my chipset run the memory async at a higher speed and get better performance? Which would be a better choice for my chipset and CPU? Price difference is negligble.

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• For very beginning startup: home server or EC2?

  - by StCee

  The micro instance of Amazon EC2 only has ram of 613MB, my laptop got 8GB. And I suppose likewise the processing power of my computer would be better than the micro instance. My question is, what are the considerations in deciding to host yourself or on Amazon EC2, especially for a really baby startup? For example, would network speed be a problem? My computer broadband network is 100Mbs up to 1Gbs. What would Amazon compare to this? My site at these moment would just host some images and perform some php requests. I would probably also use cloudflare but seems it increases the dns lookup time considerably... And of course the overall objective is to make the best user experience.

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• Backing up to smaller drive

  - by Dave

  In a few hours I'll have a new 500GB Sony laptop, filled with the usual Sony rubbish which I'll promptly be replacing with Ubuntu or Crunchbang or something. However, first I want to make a full clone of the drive (including recovery partitions), should I wish to return it to Sony or sell it on in its factory state. The problem is that the only backup drives I have are less than 500GB - the biggest I have is 250GB or so! So I need to backup and compress on-the-fly. What's the best way to do this? Presumably dd piped into gzip would do the trick, or does anyone have any other suggestions to accomplish this?

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• How do I map a friendly name (e.g. www.example.com) to 127.0.0.1:port# on Mac OS X

  - by Fred Finkle

  I am trying to create a demo for a class of mine and I want to configure "fake" domain names on my laptop. A previous question "Can I specify a port in an entry in my /etc/hosts on OS X?" contained an answer indicating that to do it you must use /etc/hosts plus changes to the iptables "If OS X uses iptables you could point xyz.com to some ip in the hosts file like 157.166.226.25 and then: sudo iptables -t nat -A OUTPUT -p tcp --dport 80 -d 157.166.226.25 -j DNAT --to-destination 127.0.0.1:3000 " Since OS X doesn't use iptables, how do I do the equivalent using the tools available on OS X? (the original "asker" seemed to know how to do this, so it wasn't explained). Thanks in advance.

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• No Cure for a Slow Computer?

  - by Marv

  I have a laptop with the following specs: 2.2gHz dual-core processor. 4gb of DDR2 Ram. 180gb HDD space. I have tried everything. I have reinstalled the OS. Installed Ubuntu with Lubuntu, LXDE, Gnome Classic, Unity 2D desktop. I have even tried downgrading to XP with all non-critical processes and services turned off. Even with the most stripped down version of Ubuntu it heats up and the fan starts churning. I'm out of ideas. I have tried everything. If you have any tips, please help. :'(

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• changing desktop background picture from stretch on Windows 7

  - by nird

  I have a brand new Windows 7 laptop, I've changed the desktop background picture using the "personalization" item of the desktop right click menu. Below the list that of images to choose there's a drop down with options "stretch", "fit", "tile", etc. When I change that from stretch to anything else nothing happens, and when I return to that dialog the drop down is still on "stretch". Anyone knows what's going on? Thanks. EDIT: apparently this is a know problem with HP/Compaq laptops.

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• Different color prompts for different machines when using terminal/ssh?

  - by bcrawl

  Hi, I have 5 machines I constantly ssh into to do work. Its getting increasingly frustrating when I am issuing wrong commands on wrong boxes. Luckily I havent done anything bad yet. I wanted to know if there is any hack which I can hardcode which will display my prompt in different colors based on the machine I am ssh into? Such as blue for desktop1, purple for laptop, red for server etc? Is this possible? Currently I am using this command export PS1="\e[0;31m[\u@\h \W]\$ \e[m " taken from here http://www.cyberciti.biz/faq/bash-shell-change-the-color-of-my-shell-prompt-under-linux-or-unix/ but it obviously doesnt work across ssh. Also, if you have any other cool bash tips for helping me ease my sight will be wonderful. I got this tip which colors the man pages. http://linuxtidbits.wordpress.com/2009/03/23/less-colors-for-man-pages/

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• Is it safe to use an American power adapter in India and Australia?

  - by Stan

  I'm going to India and Australia on a business trip in a couple of days and plan to carry only a tablet instead of my trustworthy laptop (which got dunked in the tub by my oldest - don't ask). The adapter states the following: 100-240V~0.65A, 50/60Hz Output 12V===2A Will it be safe to use the adapter in these countries to charge my device, or do I have to buy new ones there? If the latter, what kind? What else should I take along with me? A surge protector?

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• Where can I get Windows XP Home Edition, when I lost the CD? [closed]

  - by Kugel

  Possible Duplicates: How can I reinstall windows without a CD/DVD? Installing Windows Vista without system restore CD with OEM key (ie: from underside of my laptop) I came home for Christmas and there is this old notebook that my dad likes to use. I has a sticker with CD-key for Windows XP Home Edition. However the CD is long lost. I'd like to reinstall the system. Is there a way to obtain the CD? Thanks.

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• Connecting Dell XPS 17/HP Pavilion dv7 (nvidia GT 650M) to Apple LED Cinema Display for 2560x1440 resolution from notebook

  - by alphaTrader

  Is there any way to run higher than 1080p resolution from a Dell XPS 15/17 or HP Pavilion laptop? Specifically, I am planning to buy Dell XPS L721X or HP Pavilion dv7-7005tx with nvidia GeForce GT 650M and connect it to the Apple LED Cinema display via mini Displayport (I don't think Thunderbolt is supported on these notebooks). The idea is to get 1080p on the notebook and 2560x1440 on the main display. Only one of the montitors is active at any time. I asked Dell and they weren't of much help.

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• WD 1TB Passport Essential not working on some USB ports

  - by user143863

  I have a strange situation here. I got a new Toshiba P850/04P laptop, there are 4 USB 3.0 ports, 2 on the right and 2 on the left. When I plug my WD 1TB Passport Essential into the 2 ports on the left, the drive keeps disconnecting and then connecting again, on and off. Sometimes it works well for 1 hour and then disconnects and even shows the "please format your drive" message. What is odd is: this WD 1TB Passport Essential works perfectly on those 2 ports on the right side. It has been working fine on all other PCs and laptops. Another 500 GB WD passport can work with the USB ports on the left (the ones 1TB can not), also all other devices can work with all 4 ports. I am really confused! Does anyone know what the problem could be?

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• What is the easiest way to make a backup of an entire hard disk

  - by Solignis

  Hi there, I got myself a dell laptop from the local computer store. Its a used machine with Windows Vista Home Basic on it. I want to load Ubuntu Desktop 10.10 though so I can do perl development. BUT I want to keep a copy of the entire harddrive with the dell utility partition and Windows Vista in case I want to go back. I was thinking I could image the drive but I not sure what to use, I don't have Ghost or anything, Someone had told me about Clonezilla. Would that work for me? Is it hard to use? Also I want to burn the data to a DVD or something more storable than a harddisk.

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• What is the easiest way to make a backup of an entire hard disk

  - by Solignis

  Hi there, I got myself a dell laptop from the local computer store. Its a used machine with Windows Vista Home Basic on it. I want to load Ubuntu Desktop 10.10 though so I can do perl development. BUT I want to keep a copy of the entire harddrive with the dell utility partition and Windows Vista in case I want to go back. I was thinking I could image the drive but I not sure what to use, I don't have Ghost or anything, Someone had told me about Clonezilla. Would that work for me? Is it hard to use? Also I want to burn the data to a DVD or something more storable than a harddisk.

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• How to prevent Windows 8 of erasing GRUB?

  - by dirleyrls

  I'm doing dualboot with Ubuntu and Windows 8 on my DELL Laptop. EFI is enabled, secure boot is not. My partitions are GPT. Everything seems to work for some time. After some normal use, GRUB stops working. The "ubuntu" EFI entry is still there on top of everything else. But the computer boots directly into the Windows Bootloader, skipping GRUB. Any clues on why is that happening or how can I prevent that? My current partiton setup is: - /dev/sda1 NTFS Windows recovery - /dev/sda2 FAT32 UEFI boot (with boot flag) - /dev/sda3 unknown (msftres flag) - /dev/sda4 NTFS Windows Drive C - /dev/sda5 ext4 /home - /dev/sda6 ext4 / I usually reinstall GRUB through chrooting from a Live Session and doing a apt-get install --reinstall grub-efi-amd64.

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• Snow Leopard Windows 7 File sharing issue

  - by nsiggel

  Hello, wondering if anyone might have any suggestions on how to fix this issue in file sharing between Snow Leopard and Windows 7. On my home network, I have a system running windows 7 which acts as a file server: \WINDOWS7-A\SHARE I also have an IMac which can access the file share most of the time.... however now comes the problem, as soon as I introduce my Windows 7 Laptop and copy files over from it onto the file server (\Windows7-A), the file server become no longer accessible from the Snow Leopard machine... I assume this somehow has to do with elevated security on the network share having been negotiated between the 2 Windows 7 machines which is no longer allowing the Mac to see the Windows machines... but not sure how to disable this, as the only way I can restore communication between the mac and the Windows 7 machine is to restart it... less than ideal... Any suggestions would be welcome.

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• Access boot menu from windows 7

  - by repsak

  I busted my keyboard on my laptop, and now my computer rarely starts since it doesnt ignore this problem when booting. So what i want to do, is to disable my keyboard from the boot menu. But I cant access the boot menu since my keyboard doesnt work. I have an addtional keybaord via USB but that one doesnt work before windows is booted. So in short, what I want is to access my laptops boot menu now when im on windows via cmd, but im not sure how to do it.

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• Access boot menu from windows 7

  - by repsak

  I busted my keyboard on my laptop, and now my computer rarely starts since it doesnt ignore this problem when booting. So what i want to do, is to disable my keyboard from the boot menu. But I cant access the boot menu since my keyboard doesnt work. I have an addtional keybaord via USB but that one doesnt work before windows is booted. So in short, what I want is to access my laptops boot menu now when im on windows via cmd, but im not sure how to do it.

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• Ubuntu Wired network(ethernet does not work)

  - by user36777

  It was working just fine, until the other day I yanked it out. The wireless works just fine on the same router. If I login to a windows 7 instance on this dual boot laptop then the ehternet works just fine. So it's not a hardware, cable or router issue. The card even gets an ip, but I can't connect to the internet. Here are the details from route, iptables, ifconfig, ping etc. Any ideas? I have been struggling with this for day, none seems to have an answer. http://pastie.org/954816

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• Wired and Wireless Network Duplication

  - by Dave

  Howdy! Running into an issue when some of our client's have their laptop's connected via the wired ethernet network aswell as on the WLAN of the same network. There is know issues caused to the end clients.. BUT! Being a Managed Services Engineer i get pretty over the alerts that come through on our reports for machine's with the same hostname on the same network! We are not going to remove this monitoring because it does help a lot with detecting and stopping inferior users and things like that. So basically.. Question is, is there a way in Windows (third party programs welcome) to disable the wireless network when a wired network is connected and operational.. I know that Windows automticaly 'prefers' the wired network, however they are still both connected and therfore there is duplicate hostnames on the same network. Could also have stupid issues with DNS and things like that! Thanks!

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• can't delete files on Windows 7 (permission)

  - by lajos

  I updated my laptop from XP to Windows 7. There are some leftover files from XP on the computer now, when I try deleting them I get an error: You need permission to perform this action. You require permission from S-1-.... to make changes to this folder. What's weird is that I am logged in with the only user account on this machine and I have administrator privileges. I tried turning UAC off, but still can't delete the files. How can I force removal of these files?

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• Windows XP screen chopped off

  - by msindle

  One of the teachers at the school I support has a Dell Latitude E5500 and about 3/4 of the desktop shows just fine, but the right 1/4 shows whatever was on there last, like it's not refreshing (yes I tried refreshing the screen). For example if I open up Internet Explorer then minimize it the left 3/4 minimizes, but the right 1/4 stays pulled up. If I change the screen resolution to 800x600, it works perfectly fine. The sceen works together and has no problems. The only way I have found to get rid of this is to reload the laptop. How can I resolve this permanently?

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• Is a Windows 7 professional upgrade over vista home possible ?

  - by Saulius

  This has probably been asked before, but I want to be 100% sure before buying: if I have a laptop with an OEM version of Windows Vista Home Premium installed, can I buy the Windows 7 professional upgrade and install it ? I don't care whether it will be an actual upgrade or a clean install (that would actually be even better), what I'm curious is whether this is actually legal (going from home to professional). And if this is possible, how does it work ? Do I have to have Vista installed when upgrading so that the installer can check that I actually do own a genuine copy or does it ask for the vista key (which I'm not sure I have, since it's an OEM version) ?

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• Pressing zero key brings up lock/switch user screen in W7

  - by qinghua

  This issue started after my cat walked all over the keyboard... Whenever I press the "zero" key, the screen goes black and I'm taken to the lock/switch user screen. The other functions of the key work fine - it can produce ) and / like usual. Numlock is off, and as far as I know, my computer doesn't have Function Lock. If I log out of my user account and sign in as a guest, the "zero" works again, but if I create a new user profile, it doesn't work. I get the same issue when I hit "zero" using the on-screen keyboard. My keyboard layout is set to US English. I've uninstalled and reinstalled the ATK package, and updated my keyboard drivers. I have an ASUS U43JC-X1 laptop running Windows 7, and I haven't installed any new programs lately.

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• Can someone please explain these Network Activity entries are? (resource monitor windows 7)

  - by Keyes

  The first one is the address microsoftword.com.br. What is this? I noticed when I connected windows to the internet briefly, and it went away soon after. when I typed the address into my tablet, it redirected to bing with the search "microsoftword com" with MSSRPD at the end of the address. The other unknowns seemed to appear when my brothers laptop was connected to the network. Is that normal? Usually if I disconnected and reconnected they would appear, but I noticed when I had disconnected and reconnected to try it didn't happen as he wasn't connected. I'm concerned about the microsoftword one is. Is it legitimate? The svchost that associated with is a legit svchost image.

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• compiling the linux kernel

  - by user482819

  Just for learning, I have recompiled the linux kernel with different options, installed and boot from it. It was both instructive and straight forward. However, I was overwhelmed by the big number of options available. My questions are: 1.- Does it make sense to spend time trying to optimize the linux kernel for my particular laptop? Will it make a significant improvement? 2.- Is there any tool that can read the configuration of my computer and suggest a config? Thanks, H

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