Greatest Hits

33
votes
3answers
395k 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 ...
80
votes
2answers
255k views

What is the $WINDOWS.~BT folder?

There is a folder named $WINDOWS.~BT on the root of my C:\ drive. It is a hidden folder and is 75 MB in size. What is its purpose? Is it safe to delete it?
271
603
votes
18answers
70k 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 ...
32
votes
8answers
549k 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
45
votes
4answers
489k views

mysql how to fix Access denied for user 'root'@'localhost'

Before I screw up something, when login using $ mysql -u root -p, and show databases: +--------------------+ | Database | +--------------------+ | information_schema | | mysql |...
804
votes
8answers
573k 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?
88
votes
11answers
245k views

Why is checking Windows Update so slow?

I have Windows 7 PCs that have automatic update turned off. I do updates in batch once a month or so. But each time "check for update" takes 15 to 30 minutes. I don't understand why checking for ...
89
votes
10answers
383k 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 ...
53
votes
5answers
155k views

How to bring back Photo Viewer in Windows 10?

In Windows 10, when opening images, it gives me the option to open in the Photos metro app, Paint, or GIMP. I'd like it to open in Photo Viewer, but when I directed "Open with" to PhotoViewer.dll in "...
221
votes
5answers
546k views

How can I display the contents of an environment variable from the command prompt in Windows 7?

In Windows 7, when I start the Command prompt, is there any command to display the contents of an environment variable (such as the JAVA_HOME or PATH variables)? I have tried with echo $PATH, echo ...
23
votes
6answers
213k 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 ...
893
votes
19answers
480k 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 ...
18
votes
2answers
192k views

How to disable “clutter” feature in office 365

I'm using office 365 for business. A couple of weeks ago I got an email introducing the new "clutter" feature with a "click here to configure" button saying that if I didn't do anything, the feature ...
11
votes
4answers
124k views

Use two columns in Microsoft Word separately

I want to do a two-column layout in Microsoft Word, but instead of the second column being written as a continuation of the first, I want the two columns to be written separately just like they were ...
39
votes
8answers
122k views

Where is the Snipping Tool in Windows 10?

Where is the Snipping Tool in Windows 10? I can't get it to appear in my start menu when I'm typing its name, like I could before Windows 10. Is there a built-in alternative? (Of course, ...
100
votes
4answers
252k views

Why does virtualbox only have 32-bit option, no 64-bit option on Windows 7?

I have downloaded and installed the newest virtualbox 4.3.20 for my Windows 7 (64-bit OS), but when I want to install 64-bit Linux, the New->Create Virtual Machine only displays 32-bit option, no 64-...
53
votes
7answers
420k views

In Excel, how do I check if a cell is in a list of values (a range of cells)

I've got a range (A3:A10) that contains names, and I'd like to check if the contents of another cell (D1) matches one of the names in my list. I've named the range A3:A10 'some_names', and I'd like ...
16
votes
3answers
404k 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 ...
77
votes
8answers
347k views

How to tell how many CPUs (cores) you have on Windows 7

I got me a nice new laptop and I want to know a bit more about the hardware. How can I see how many CPUs my computer has in Windows 7? (Note: Clicking on Start->Right clicking on Computer-> ...
66
votes
5answers
257k views

svchost.exe high memory usage - wuauserv

I'm running Windows 7, and I've been experiencing high memory usage from one of my svchost.exe processes. Services under that particular process are BITS, EAPHost, IKEEXT, LanmanServer, MMCSS, ...
49
votes
7answers
181k views

How to rename the User folder in Windows 10?

After installing Windows 10 on my Surface Pro 3 it took my user name 'Jeremy' and created a user folder named C:\Users\jerem. I want to rename the folder C:\Users\Jeremy. The procedure for Windows 8 ...
48
votes
7answers
281k 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 ...
901
32
votes
5answers
220k 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 ...
224
votes
6answers
243k views

Inverting direction of mouse scroll wheel

Is there a way to make a mouse scroll wheel invert its direction? I'd like to scroll upwards and have that action scroll downwards and vice-versa. There is no setting on the Mouse control panel that ...
10
votes
7answers
174k views

How to change some of the numbers in word to be arabic numbers within Word

I have a Word document. It has two parts: one English and one Arabic. The problem is that all the numbers are English numbers [0123456789], but I want the Arabic part's numbers to be Arabic numbers [...
140
votes
7answers
86k views

Remove or prevent sidebar from opening by default on Adobe Reader

In Adobe Acrobat Reader DC, version 2015.007.20033 does anyone know how to prevent the sidebar from opening by default? It's not too bad when a PDF is in portrait mode but opening one in landscape ...
59
votes
8answers
408k 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 ...
107
votes
7answers
511k 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.
14
votes
15answers
131k views

How do I get Google Chrome back to desktop mode on Windows 8

The Windows 8 version of Google Chrome seems to have been updated to support the UI formerly known as Metro. However, this seems to be the only option now, which means that I can no longer use Chrome ...
74
votes
2answers
126k 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 (...
6
votes
11answers
183k views

Disable trackpad on windows 10

I'd like to disable my laptop trackpad on windows 10 (ASUS type, should that matter). I've tried all the options found while searching via google, most of which target windows 7/8.x. In addition, I've ...
16
votes
4answers
255k views

How do I change my Chrome language back to English?

Suddenly, my Chrome language has been changed to Tamil. I didn't make this change manually. I don't know how to change this setting to English.
15
votes
1answer
265k views

How do I boot my Samsung laptop from a CD/DVD?

I have a Samsung Series 3 laptop and want to boot from an Ubuntu Live CD. When I press F10 to pull up the BIOS/boot configuration, I don't get an option to boot from the CD. Similarly, in the BIOS, ...
97
votes
14answers
228k views

Easiest way to open CSV with commas in Excel

CSV files are automatically associated with Excel but when I open them, all the rows are basically in the first column, like this: It's probably because when Excel thinks "comma-separated values", ...
67
votes
3answers
216k views

How to delete a partition on a USB drive?

I have a USB drive that I accidentally partitioned when trying to put Ubuntu on it. It's a 16 GB Kingston flash drive but it is now split to two partitions, 7.30 GB each. How do I combine the two ...
66
votes
7answers
320k views

Cells not updating automatically

I have a formula in a cell which counts the values in 2 other cells. Normally, after entering in the values in these 2 other cells, the formula cell updates automatically when Enter is pressed or when ...
43
votes
5answers
456k views

How to write multi lines in one Excel cell?

I want to write multi-lines in one MS Excel cell. But whenever I press the Enter key, the cell editing ends and the cursor moves to next cell. How can I avoid this?
60
votes
16answers
410k views

How to make Excel's “Auto Fit Row Height” feature actually auto fit the row height?

For every generation of Excel I can remember (including 2010, which I'm using now), Excel's "Auto Size Row" features sometimes fails to actually auto size a row when the cell contains wrapped text. ...
9
votes
7answers
234k views

Windows 7: How to solve IPv6 “No network access” problem?

I'm tearing my hair out on this one. Basically I need IPv6 to work on a Windows 7 (Home Premium) Dell laptop and it isn't. I have the wireless networking all working but if I click on the wireless ...
27
votes
15answers
298k views

How to save a rotated Adobe PDF file

I received an Adobe PDF scan of a document that displays upside-down. I rotated it inside Adobe Acrobat and chose Save As to make a new document, however, the rotation is not saved and when I open ...
261
votes
5answers
613k views

How to find a directory on linux?

I have a VPS with Suse Linux 10.3. I've logged in via SSH/putty and am trying to find where my web files are located. Since I'm uploading via FTP in a directory called httpdocs, I assume that this ...
235
votes
9answers
327k views

Find out which process is locking a file or folder in Windows

How can I find out which process is locking a file or folder in Windows? For instance, when trying to delete a folder, Windows reports this: The action can't be completed because the folder is ...
385
votes
7answers
267k views

How to chmod all directories except files (recursively)?

How to chmod 755 all directories but no file (recursively) ? Inversely, how to chmod only files (recursively) but no directory ?
54
votes
7answers
278k views

How do I fix my USB drive to get its original 8GB size back?

My USB drive used to be originally 8GB when I bought it. I'm trying to reformatted in Windows 7 by right clicking on the drive and selecting Format.... But the capacity only shows 250MB. Is there ...
9
votes
5answers
219k 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 ...
48
votes
5answers
198k views

How to view WIFI's password or forget this network in Windows 8.1

In Windows 8.1, when I right click a WIFI connection, nothing happens. In Windows 8, there will be a menu and I can view its properties by clicking the "View Properties" menu item and then I can see ...
40
votes
3answers
421k views

Where does Chrome save its bookmarks on Windows?

I'm trying to recover a Windows system from backups and can't seem to find where Chrome saves its bookmarks. Does anybody know where Chrome saves its bookmarks on Windows?
641
votes
8answers
271k views

How do I scroll in tmux?

I just started using tmux, and I really like it, but I need to be able to scroll within the buffers/panes/windows I have open. I don't care if it works with the mouse or not. When I search the tmux ...
702
25
votes
2answers
101k views

Stuck on preparing for installation windows 10

My Windows 10 update is getting stuck for me today at this point It’s unclear if this is due to demand today, or thanks to other bugs. The list of problems related to Windows 10 getting stuck ...
203
votes
5answers
503k views

How do I get the distinct/unique values in a column in Excel?

If I have a column with values, and I want to find out what distinct values are in there (not how many - but the actual distinct values), how can I do that? In SQL Server I would do something like ...