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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53
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3answers
4k views

Why is the 64-bit version of Windows bigger than the 32-bit version?

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 ...
12
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3answers
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Is my install 32 or 64bit?

I'm trying to find out if my Ubuntu install is 32 or 64bit. The best I can find is "i686" does this mean its 32 bit? Whats the correct way of finding out if the Ubuntu installed on my laptop is 32 ...
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Can I upgrade from Windows 7 32-bit to Windows 7 64 bit without reinstalling all of my software? [duplicate]

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8
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6answers
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4.00GB (3.25GB usable) in Windows 7 x64

I have set up Windows 7 Ultimate 64-bit on my PC. I have 4GB RAM and my BIOS states the correct amount (4096MB), but Windows (System Manager) says I have 4.00GB (3.25GB usable). This seems to be a ...
5
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3answers
6k views

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

I can't remember how to see if my OS X (10.6) installation is running in 32-bit or 64-bit mode.
3
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8answers
68k views

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

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6
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10answers
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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.
6
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3answers
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Visual Studio 2010 fails to install with “Error occurred during setup”

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4
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1answer
2k views

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1answer
3k 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 ...
1
vote
3answers
9k 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
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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 ...
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4answers
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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
2k 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
votes
1answer
483 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 ...
3
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6answers
2k 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
votes
1answer
965 views

VirtualBox - 64 bit OS on a 32 bit host - Pros and Cons

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
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4answers
259 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
votes
2answers
449 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
576 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 ...
25
votes
2answers
29k 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 ...
60
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12answers
41k 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?
11
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4answers
40k 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 ...
15
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4answers
24k 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
votes
4answers
22k views

How do I know my laptop is 64-bit compatible?

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 ...
10
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5answers
47k views

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

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3
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3answers
1k 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 ...
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3answers
5k views

What is meant by a 32 bit processor?

What is meant by a 32 bit processor, or generally an n-bit processor?
10
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7answers
21k 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 ...
5
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3answers
13k views

DVD ROM Keeps Spining at random times, especially when starting windows explorer

I didn't had this problem before, recently I bought a SSD and installed Windows 7 x64 on it, and now the DVD sometimes spins without reason, it has no CD in it (this makes a bit of a lag). EDIT: it ...
3
votes
3answers
12k views

Command-line OCR in Windows 7

What are some command-line OCR utilities that will work in Windows 7 64-bit?
3
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5answers
3k 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 ...
2
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4answers
41k views

Keyboard doesn't let me press certain keys at the same time

I'm not sure how to word the problem other than I can't use certain keys at the same time. For example, when playing games that require you to use the arrow keys to move and jump/duck I am unable to ...
1
vote
1answer
317 views

Windows 7 webcam not functioning with warning message “Camera is used by other application”

A friend of mine told me her webcam is not functioning during her Skype call session. Symptoms/tests: Running the Skype video test gives the warning "Camera is used by other application Searching ...
18
votes
3answers
27k views

Can I change the PATH environmental variable in Windows 7 without restarting?

Is there anyway to change the PATH environment variable (or variables in general) on Windows 7 Exterprise (64 bit) and have it take effect in PowerShell or the command prompt (cmd.exe) without ...
13
votes
5answers
8k views

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13
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4answers
13k 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 ...
10
votes
5answers
65k views

Windows 7 x64 - How can I test my memory?

People tell me that my computer may have some bad RAM. Is there a way to test it without special equipment?
9
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3answers
21k 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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2answers
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How to find the source of this BSOD? How to fix it?

I occasionally (always at the least convenient moment...) receive this BSOD on my Windows 7 desktop PC: Problem signature: Problem Event Name: BlueScreen OS Version: 6.1.7601.2.1.0.256.1 ...
8
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8answers
11k views

Merging “Program Files” and “Program Files (x86)” folders in Windows 7 64-bit

Windows 7 64-bit version installs 32-bit programs to Program Files (x86) folder, and 64-bit programs to Program Files folder. Of course, Microsoft must have a reason for doing that, but as a user I ...
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3answers
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Add Notepad to Right-click new menu in Windows 7

Here's what my right-click menu looks like: There used to be a "New Text Document" item there but it's gone. Here's my registry value: Any idea how to fix it?
5
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1answer
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I have 4X 2GB RAM sticks installed, Windows 7 Ultimate x64 shows "Installed Memory (RAM): 8GB (4GB Useable)" in the system information. The motherboard says it supports up to 16GB of memory. I had ...
5
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6answers
30k views

How do I repair the .Net Framework on Windows 7

So I ran spyware doctor and it had a bunch of malware stuff. I clicked "Remove" but failed to create a restore point first. Now my websites running on .net 2.0 as well as visual studio 2008 are not ...
4
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5answers
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How Does One Remove Duplicate Text Lines From Files Larger Than 4GB?

I am looking for an open source (possibly 64 bit) windows text editor that will allow me to remove duplicate lines from an extremely large (4GB+) text file. What do you use to remove duplicate lines ...
4
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2answers
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Can I use a Windows 7 Professional 32-Bit OEM licence to install the 64-Bit version, too? [duplicate]

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3
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2answers
6k 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 ...
3
votes
4answers
2k views

File corruption after copying files in Windows 7 64 bit using two methods

I have 5000 pictures and other files in a directory taking up 35 GB. I want to duplicate this directory. Method 1: I do a simple copy and paste of the directory in explorer. I have the habit of ...
3
votes
3answers
5k 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 ...