Greatest Hits

1289
votes
3answers
137k views

Why does Windows think that my wireless keyboard is a toaster?

I've inherited an old PC from my girlfriend's dad and when setting up the printer I got a bit of a surprise: Two questions spring to mind here: Why does Windows think my wireless keyboard is a ...
20
votes
8answers
327k views

How can I copy a DVD to another DVD using a single DVD drive?

I need to copy a DVD to another DVD, but I have only a single DVD drive. How can I accomplish this? I tried copying files to the desktop and then to another DVD. It didn't work out.
296
votes
18answers
112k views

If 32-bit machines can only handle numbers up to 2^32, why can I write 1000000000000 (trillion) without my machine crashing?

32 bit computers can only store signed integers up to 232 - 1. This is why we have run out of ipv4 addresses and have entered the 64 bit era. However, the number 232 - 1 (2,147,483,647) is not as ...
970
votes
6answers
858k views

What is the cURL command-line syntax to do a POST request?

How do I make a POST request with cURL command-line tool?
905
73
votes
5answers
972k views

How do I locate the MAC address of my computer?

I am unable to locate the MAC address in a new computer with Windows 7. I've tried ipconfig /all in the console to which I got no items match your search. I also tried getmac. A screen flashed very ...
7
votes
4answers
225k views

how to change the dpi of an image

I have an jpeg file of 300 dpi. I need to reduce it to 200dpi. How can I do that? Do I need any specific application or it can be done using Picasa/paint/MS picture manager, if yes how? Thanks
777
553
votes
18answers
63k views

How are pseudorandom and truly random numbers different and why does it matter?

I've never quite got this. Just say you write a small program in any language at all which rolls some dice (just using dice as an example). After 600,000 rolls, each number would have been rolled ...
66
votes
8answers
594k views

How can I check the temperature of my CPU in Windows?

Does Windows provide a means to check my CPU temperature natively? If not, are there any software tools which can reveal this information?
290
votes
4answers
364k views

How can I get the same SSID for multiple access points?

I need to upgrade my existing wireless infrastructure and this time I want 2 access points to cover my house, since I get blind spots no matter what with a single AP. I have physical cabling to my ...
43
votes
3answers
323k views

How do I reduce the desktop icon size in Windows 7?

How can I reduce the size of my desktop icons if the video resolution is already on the highest setting?
67
votes
13answers
311k views

Find out what the motherboard on my computer is

I want to find out the exact model of my computer's motherboard so that I can see what sort of memory chip, graphics cards and other components it supports. I'm using Windows 7 Ultimate 64-bit.
187
votes
10answers
740k views

How do I get different background images on my dual monitors?

Is there a way to set two different background pictures for my two monitors in Windows 7? By default the same background picture is used for both displays. I am looking for a solution without ...
45
votes
3answers
575k views

How do I delete a user profile on a Windows 7 machine that is part of a domain?

How can I delete the local user profile on a Windows 7 machine that is connected to a Windows Server 2008 domain? DelProf doesn't seem to exist on Windows 7.
799
votes
19answers
459k views

What are the Windows A: and B: drives used for?

In Windows you have a C: drive. Everything labeled beyond that is with the following letter. So your second drive is D:, your DVD is E: and if you put in a USB stick it becomes F: and the following ...
21
votes
2answers
226k views

Asus UEFI/BIOS options - How to boot from DVD?

I just bought a new PC and the default installed OS is Windows 8. I want to install Windows 7 but when I go into the boot options screen I only have one option: Windows Boot Manager I can't find my ...
200
votes
9answers
132k views

Menu select item stuck on screen after context or command menu has closed

Periodically when I select a menu command, the label or selected option gets "stuck" on screen and won't go away. I can close all open applications, including whichever one I was using when it got ...
5
votes
5answers
140k views

How can I “turn on wireless capability” in Windows 7?

On my laptop I have a strange bug or something that fairly frequently causes wireless networking to become spontaneously disabled. Network connections drop out & all available APs disappear. ...
16
votes
5answers
261k views

How do I add my photo to my account in Outlook 2010?

I've seen other users have their own picture in Outlook 2010. How do I add this to my account? I don't see anything in Options/Settings. I've been able to do this in Lync, but not in Outlook.
22
votes
6answers
137k views

LogiLDA.dll missing after updating to Windows 8.1

After updating my Windows 8 to Windows 8.1, I received an error on start-up. It says: There was a problem starting C:\Windows\System32\LogiLDA.dll The specified module could not be found. What is ...
180
votes
13answers
543k views

How to search inside files on Windows 7?

In Windows XP we can search for files that contain a defined keyword (inside all files types). Windows 7 can look inside files for a keyword, but only for text files. (*.doc, *.txt, *.inf, ...), not ...
18
votes
3answers
235k views

How do I rotate Windows 8 screen?

Most mobile devices like tablets or smartphones have an orientation sensor that signals the OS to rotate itself when the device is rotated. But having installed Windows 8 on a desktop (or virtual ...
60
votes
1answer
81k views

Windows 8 turns program sound volume down randomly

I recently upgraded to Windows 8 from Win 7 64 bit and have started to encounter a strange issue. When I have any program running which plays sound, such as a game or spotify, after a random interval ...
8
votes
6answers
183k views

Setting an animated .gif as the desktop background on Windows 7

I have an animated .gif I created using Photoshop CS4, but I can't get animation on my desktop although I can set it as a background from the context menu by opening it in Internet Explorer. How can ...
14
votes
3answers
308k views

How to curve text in Word 2010?

I can't find how to create curved text in Word 2010 like you could in previous versions through WordArt. The point is to have the text baseline follow some arc or circle. In WordArt presets, I can ...
7
votes
6answers
106k views

How do I lock and unlock the OSD of a “AOC monitor 21'”?

My AOC monitor 21' has an on-screen display, but I'm wondering how its lock function works. Can you help me figure out how to lock and unlock the OSD?
792
53
votes
9answers
252k views

How can I synchronise my Outlook Calendar with Google Calendar (preferably using a free/open source tool)?

How can I synchronise my desktop Outlook calendar with my Google Calendar (Outlook -> Google)? I saw the question Free tool for Synchronizing Google Contacts and Calendar with Outlook, but the ...
11
votes
5answers
115k views

How much data (MB) does Skype consume in a 1 minute call?

How much data (in megabytes) does Skype consume in a 1 minute audio call? And how much data does Skype consume in a 1 minute video call? Is it fixed or does it vary with the mobile version or PC ...
298
26
votes
5answers
153k views

How to reset shortcuts (.lnk file) in Windows 7?

Somehow I went to open a shortcut and Windows couldn't find the target but instead of pointing the shortcut to the .exe it pointed the .lnk file handler to the .exe, so now all my .lnk files are ...
48
votes
9answers
215k views

How can I repair the Windows 8 EFI Bootloader?

I installed Windows 7 and Windows 8 in EFI mode on a hard disk some days ago. Today, the bootloader got missing/corrupted. I currently have the Windows 8 installer on a flash drive and tried using ...
14
votes
9answers
211k views

Can't create new folder from anywhere in Windows 7

I have this problem on two of my new laptops and can't seem to find a decent workable solution elsewhere in forum land. The problem is that on my Windows 7 Professional machines the right mouse button ...
628
78
votes
13answers
165k views

How to move windows that open up offscreen?

I have a dual monitor setup, and I recently played around with the positioning settings, and some of my single window applications do the favour of preserving where they were last closed, and opening ...
82
votes
7answers
362k views

How do I change the default font of Sticky Notes?

How can the default font be changed for the Windows 7 Sticky Notes application? I can't stand that faux handwriting font it uses.
30
votes
12answers
182k views

If USB is not listed in BIOS as a boot option, does that mean the machine can't boot from USB?

I just purchased an Asus Zenbook Prime UX31A-DH51 with Windows 8. I want to wipe the drive and do a clean install but USB is not listed as a boot option in the BIOS. Does this mean it is not possible? ...
30
votes
3answers
146k views

Clean install Windows 8.1 or Windows 8 from OEM key

I have recently acquired a laptop with an OEM Windows 8 product key. I am interested in a clean install of Windows 8.1. I do not have any original install media, only recovery disks, and the ...
46
votes
10answers
161k views

Convert a column into a comma separated list

I have the task of creating a simple Excel sheet that takes an unspecified number of rows in Column A like this: 1234 123461 123151 11321 And make them into a comma-separated list in another cell ...
4
votes
1answer
70k views

How to resolve BackgroundContainer.dll error on startup?

When I start my desktop it gives me an error about BackgroundContainer.dll. How to get rid of it? I found nothing when i started regedit.exe and searched (F3 or CTRL+F) for BackgroundContainer.dll ...
388
votes
13answers
245k views

How to clear/flush the DNS cache in Google Chrome?

As you probably know Google Chrome has its own internal DNS cache. Is there a way to clear it without having to wait for the time out or close the browser?
32
votes
8answers
236k views

How can I take a picture with my webcam in Windows 7?

I know it existed as sort of a folder in Windows Explorer in at least Windows XP, but I just can't seem to find it in Windows 7... How can I take a picture with my webcam in Windows 7 without using ...
109
votes
15answers
151k views

Move an off-screen window back on-screen on Mac OS X

It seems that Mac OS X 10.6.1 Snow Leopard has a tendency to leave some windows off-screen at times, especially when I disconnect an external monitor from my MacBook. How can I move the window back ...
95
votes
2answers
114k views

How to remove an entry from Chrome's Remembered URLs from the url bar?

I've got a URL in Chrome "local.mysite.com" that autopopulates when I start typing "local.my" into the URL bar. Note that this URL DOES NOT EXIST in my browser history (at ...
15
votes
3answers
164k views

Create a bootable USB drive from a DMG file on Windows

A Mac machine needs to be reformatted with Lion. I backed up the Lion dmg file when I purchased it via the Mac App Store. I now need to create a bootable USB drive from the DMG file but I need to be ...
30
votes
8answers
80k views

Windows 8.1 Update 1 Disk Usage 100%

Background Information / Computer Specs I have a 14-inch Samsung Series 5 Ultra. Core i5 CPU, 750GB HDD, 8GB RAM, Intel HD Graphics 4000. I've had the computer for about 1.5 years with no major ...
88
votes
5answers
280k views

How to install the real Firefox on Debian?

Debian 6 ("Squeeze") uses a rebranded version of Firefox called Iceweasel. It, however, lacks plugin support, and most of my favorites don't work. So what is best way to install the "real" Firefox on ...
34
votes
7answers
176k views

Why is my USB mouse disconnecting and reconnecting randomly and often?

My mouse will reconnect/disconnect (will even hear the sounds from Windows), and the light on the bottom of the mouse will turn off/turn on as it starts working again. It really sucks to be playing a ...
567
95
votes
10answers
214k views

How to stop jucheck from running? Java won't remember “Check for Updates Automatically” setting

I've installed Java on Windows Vista, and every day I get a Vista security warning asking me if I want to run "jucheck". Apparently this is the Java automatic updater. Well, I don't want it to run ...
447
votes
7answers
286k views

How can I sort the output of 'ls' by last modified date?

How can I sort the output of ls by last modified date?
21
votes
6answers
280k views

How to compare two columns and find differences in excel

I have two columns in Excel that I want to compare and find the differences between them. Suppose Col A has 50 numbers i.e 0511234567 Col B has 100 numbers in the same format
102
votes
14answers
147k views

How can I send a Ctrl+Alt+Delete through Remote Desktop in Windows 8?

I need to send a CtrlAltDelete to a remote machine through Remote Desktop. The CtrlAltDelete is being intercepted by Windows 8, regardless of whether the remote desktop has focus or is in full screen. ...
1333
votes
7answers
145k views

How do I make a machine “blank screen” for a period of time (as a penalty) if certain noise levels are reached?

My kids (4 and 5) yell a lot when playing games on the computer. I found an effective cure for this. When I hear loud noises, I ssh into the game computer and do: chvt 3; sleep 15; chvt 7 This ...
59
votes
9answers
117k views

Disable Microsoft Office Upload Center

With the new Office 2013, a new Microsoft Office Upload Center is started. But I don't use that and want to remove it completely (not just hiding). How can I remove that program completely?