64-bit refers to processors that have a word length (the fundamental data type of registers and memory transfer operations) of 64 bits, allowing each word to hold 2^64 = 1.845 x 10^19 discrete values (over 4 billion times as much as a conventional 32-bit word).

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122
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15answers
79k views

How to check if a binary is 32 or 64 bit on Windows?

So, I need to do just that before I move the program to 32bit machine and experience a spectacular failure. Is there an easy way to do this?
33
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5answers
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How to reinstall GRUB2 EFI?

After successfully updating my bios, something went wrong and I ended up with a blinking cursor on the top left corner of a black screen. No errors, no nothing. The bios now only listed a SATA: ...
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Uninstalling programs silently via CMD

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I bought a product key for Windows 8 a while ago, but I never got around to using it, because I can't seem to find a 64-bit Windows 8 ISO image anywhere. My processor is 64-bit, but my current ...
12
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8answers
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Pros and cons of 64bit vs 32bit Windows

What are the advantages and disadvantages of the two types of system? I know that 64bit allows more RAM then the 3-and-a-bit used by 32bit, but what other differences would you expect to see? I am ...
9
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6answers
28k views

How to Run an app as Administrator without the prompt?

When I start SQL Server Management Studio 2008, I an error that's been around forever and is documented here. One of the suggestions to fix it that actually worked was to start SSMS with Run as ...
8
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3answers
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command line text editor like “edit” for windows x64 [duplicate]

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55
votes
3answers
5k views

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The difference in size for the Windows 8 Consumer Preview ISO images, between the 64 bit and the 32 versions is 800 Mb or a difference of 24%. I've never seen a difference so large. Why is there ...
13
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3answers
15k views

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8
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6answers
56k views

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7
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4answers
15k views

How to reinstall Windows 10 on new hard disk

I've been using Windows 10 for a couple of month now (joined the Insider Preview). Now my hard drive started ticking so I've bought a new SSD and I want to move the windows installation to the new ...
5
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2answers
9k views

Running 64 bit programs on a 32 bit system

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5
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3answers
7k views

Mac OS X: How can I tell if I'm in 64-bit mode?

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6answers
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Windows 7 x64 support for Intel GMA 3650 (or GMA 3600)

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7
votes
3answers
39k views

Visual Studio 2010 fails to install with “Error occurred during setup”

I'm trying to install Visual Studio 2010 on Windows 7 64-bit and I keep getting following screen: I tried to install also Visual Studio 2008 with similar result. I'm starting to think it might be ...
6
votes
10answers
55k views

How can I determine whether my processor is 32-bit or 64-bit?

How can I determine whether my processor is 32-bit or 64-bit? My processor is AMD Phenom 8450 triple-core.
5
votes
2answers
9k views

Windows 8 64bit say low memory while 4+Gb free

I have windows 8.1 64 bit, 8Gb ram. My Task Manager shows 49% used ram, but I still get messages like "Windows is low memory, we recomend to close application". It always says that about the ...
4
votes
1answer
3k views

Vertex 3 with Asus P8P67 Pro (B3) locks up

And by 'locks up' I mean completely locks up. Even the numlock light won't toggle. This happens at completely random times. I have updated the BIOS of the MoBo and the firmware of the SSD numerous ...
3
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3answers
6k views

Should I install 32-bit or 64-bit Linux? [duplicate]

Possible Duplicate: Should I choose 32 or 64 bit for Linux? I have a three-years-old Dell box with an Intel Core 2 Duo CPU and maximum 4GB RAM. I want to install Linux on the system but am ...
3
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1answer
4k views

Can't boot OS from USB drive, showing black screen with blinking cursor

I have a problem with booting from a USB flash drive. I have Acer TimelineX 3820TG. I have Windows 7 Home from Acer and I installed Mandriva OS from USB(from USB because this Acer doen't have a DVD ...
2
votes
2answers
4k views

Can't boot a 64bit Windows USB from a tablet originally installed with 32-bit OS

I have an Acer Iconia W4-820 Tablet which has an Intel Atom Z3740 64-bit CPU, but the Windows version installed on it is 32-bit. I'm trying to install 64 bit Windows on it by making a bootable USB ...
1
vote
3answers
12k views

How to fix the MBR without overwriting HD and without Recovery CD

My Drives [c:/, HP_Tools (E:/) and Recovery (D:/)] have all turned into simple volumes due from trying to delete space from c:// and creating another partition to backup my files, so I can recover my ...
1
vote
2answers
6k views

What are some tips on reducing the disk space used by Windows 7?

Does anyone have any tips on reducing the space used by Windows 7? So far I've got: Empty Recycle Bin Run Disk Cleanup Wizard Use 'Programs & Features' control panel to uninstall unneeded ...
9
votes
4answers
2k views

What happens when you install > 4GB of RAM in a computer with a 32-Bit OS?

So I'm a programmer and I'm not a complete idiot so I know exactly why you can't access memory where you can't have pointers. But I've never tried this and I don't think I ever will because it seems ...
5
votes
2answers
80k views

Windows 7 - Windows Update Hangs On “Checking For Updates” [duplicate]

Today I installed a fresh copy of Windows 7 Home Premium x64 SP1. For some reason, it will just not update. I try to run Windows Update but all it does is hangs at "Checking for updates". I even let ...
4
votes
1answer
558 views

How do I determine the cause of resuming from hibernation in Windows 7?

My notebook sometimes resumes from hibernation without any apparent reason. This happens only when its plugged in power, LAN connection does not influence it. Is there some log that would tell me ...
4
votes
2answers
1k views

Upgrade from Windows Vista (x64) to Windows 7 (x64)

Is it possible to upgrade from Windows Vista Home Premium (x64) to Windows 7 Home Premium (x64) without losing the current programs, their settings and the data in the hard disk? If possible, how much ...
4
votes
1answer
3k views

Windows 7 Processes starting as Suspended

All of a sudden, process that I start from the windows desktop are starting as suspended. For example, I have my Outlook pinned to the start bar. When I click on it the first time, The mouse cursor ...
3
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6answers
3k views

Windows 7 on a 64-bit computer

I read on Wikipedia that Windows 7 on a 64-bit PC needs twice as much RAM as on a 32-bit PC. I understand why is that: every number stored in memory takes 8 bytes rather than just 4. That, in simple ...
2
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1answer
992 views

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Is is possible to run a 64 OS in a virtual environment host that is 32 bit. Say for example, I am running Windows XP 32 bit. Would it be possible for me to run a 64bit OS using VirtualBox or VMWare. ...
2
votes
4answers
284 views

advantage of 64 bit os on system with only 2Gb [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems Im using windows 7 ultimate 32-bit. With 64-bit processor. Will I get any performance benefits if ever I upgrade to 64-bit windows 7, with the ...
2
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2answers
491 views

Why is IEx64 not the default for x64 Windows?

I don't think I've seen any answers to this question, but I'm curious as to why, when you have a 64-bit OS installed (ex: Vista x64), IE defaults to the 32-bit version? Are there drawbacks to using ...
1
vote
1answer
1k views

Windows XP x64 hangs at welcome screen

The problem is that when I boot on Windows XP (x64), which worked very great for a great amount of time, the mouse pointer and the welcome screen appears but then after waiting hour or so nothing ...
1
vote
2answers
3k views

How to install 64 bit openGL in linux

I bought a new system with an NVIDIA GeForce 9000 graphics card. I downloaded the 64-bit NVIDIA-Linux-x86_64-190.53-pkg2 from the NVIDIA web site which I have installed in my linux kernel 2.6.26. ...
0
votes
2answers
16k views

How to fix missing DLLs and corrupt system files after updating Windows-7?

I have a dual boot setup (Ubuntu-Linux and Windows-7 Pro 64-bit) on my laptop. I mostly do my work in Ubuntu, but every once in a while I have to use Windows. A few days ago, I booted into Windows ...
25
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2answers
30k views

Running Java7 in Chrome for Mac OS X (requires 64bit?

My home banking system requires Java for logging onto the bank - see https://www.nemid.nu/ for a description of the system (in Danish only). This worked fine in Chrome under Mac OS X until recently ...
26
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7answers
50k views

Terminal emulator with split panes for Windows 7 (64 bit)

I'm looking for a terminal emulator on Windows 7 (64 bit) with a specific feature: to be able to split the command prompt window into multiple panes. It's a great feature of Terminator for gnome, I ...
11
votes
4answers
43k views

Does Apple Magic Mouse fully work on Windows 7 x86/x64?

I would like to know if Apple Magic Mouse works on Windows 7 (x86/x64) on non-Apple computers. Here are some checklists: x64 compatibility left click right click middle button? vertical scroll ...
16
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4answers
31k views

How do I capture a video of my Windows 7 desktop in VLC?

I used to be able to capture a video of my desktop in Windows 7 in an older version of VLC. But they've recently changed the UI and I can't seem to work out now how to record my desktop in the latest ...
13
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6answers
55k views

Different PATH environment variable for 32bit and 64bit Windows - is it possible?

Is it possible to have whole or part of PATH environment variable specific to the type of running process's image (32bit/64bit)? When I run some app from within 64bit cmd.exe I would like to have it ...
12
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3answers
8k views

What is meant by a 32 bit processor?

What is meant by a 32 bit processor, or generally an n-bit processor?
8
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3answers
60k views

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I have an executable that works fine when run on 32-bit windows but breaks when run on 64-bit windows. Is there some way I can force it to run in 32-bit mode on a 64-bit machine? I don't have ...
13
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4answers
25k views

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I recently plan to buy a new laptop to run a 64-bit OS, but a friend told me that my current laptop is already 64-bit. How can I verify if my laptop is ready to load a 64-bit OS or not? Here is the ...
5
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4answers
2k views

What mode do modern 64-bit Intel chip PCs run the boot sector in?

I know with older machines like 286s, the first 512 bytes loaded from the first sector of the boot drive to 0000:7C00 in memory were run in 16-bit real mode, but what about modern 64-bit ...
5
votes
5answers
5k views

Pin to taskbar icon gets (2) appended

After upgrading from Vista to Windows 7, I find that I cannot Pin the application "Shiretoko (64-bit)" to the taskbar without it getting a label of "Shiretoko (64-bit) (2)". I don't have any other ...
16
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5answers
9k views

Bare-metal virtualisation for the desktop

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14
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4answers
15k views

Is it possible to have 64 bit guest OSes run in Virtual PC RC on Windows 7?

Is it possible to have 64 bit guest OSes run in Virtual PC RC on Windows 7? I tried to install a Windows 7x64 Ultimate guest in Virtual PC, on a host PC running Windows 7x64, but got the following ...
11
votes
3answers
9k views

top command in cygwin?

I am starting to use Cygwin(64) on my Windows 8 laptop, however, the top command is not recognized. I have read online that I need to get the procps package, but it is not available on the 'Cygwin ...
11
votes
4answers
74k views

Installed memory 4GB but only 1.93 GB is usable shows in system properties dialog?

In my Intel Core i5 2.80 GHz CPU , DH55HC series Intel mother board machine installed with windows 7 64 bit machine, when I right click my computer and see system properties I see that "Installed ...
10
votes
8answers
31k views

How to delete a font in Windows 7 that is still in use?

I installed a barcode font for a project. The font was installed thru the Fonts control panel. Now I would like to remove the font from my system but when I try to delete it it gives me a warning ...