Greatest Hits

58
votes
16answers
107k views

Why is 'ping' unable to resolve a name when 'nslookup' works fine?

On my Windows XP workstation, I can find the machine I want to connect to in DNS with nslookup: nslookup wolfman Server: dns.company.com Address: 192.168.1.38 Name: wolfman.company.com Address: 192....
23
votes
7answers
34k views

Can't Pin Some Applications to Start Menu in Windows 10

When I right click on certain shortcut and click "Pin to Start Menu," it does not appear on my start menu. When I right click them again it still says "Pin to..." instead of "Unpin...". The thing is ...
4
votes
4answers
36k views

Can't open new File Explorer windows by right click on Windows 10

I recently upgraded to Windows 10 from Windows 7. I have pinned File Explorer to the task bar, and if I right click on it I see a list of pinned folders including anything I have under 'quick access', ...
57
votes
9answers
162k views

How to do networking between virtual machines in VirtualBox?

I have two virtual machines in VirtualBox. I would like to do networking between them. For the moment I have the default configuration on both, but they seem to have the same IP-address 10.0.2.15. I ...
11
votes
1answer
88k views

How to concatenate a date in MS-excel and receive a date (not a number)

When I try to concatenate two cells in MS-excel in the formula I have the date as a integer number (eg: 04 april 2012 become 41006). How can I display the date also in the formula cells?
59
votes
10answers
160k views

How to check the health of a hard drive

My SATA drive started clicking and I was unable to access the data. It was not clicking loudly though, like a drive that has already gone bad. After tightening the connections to the hard drive, it ...
13
votes
2answers
36k views

Can I disable auto logon on windows 10 home

I recently setup a new computer for my parents with windows 10 home. I made two local accounts for them - no microsoft accounts. I also would like to keep them without a password. Problem is now that ...
29
votes
1answer
159k views

How do I install VMware player on a Mac os X?

I went to their site, and downloaded a .bundle which automagically turned into a .txt file after downloading. Long story short, I can't run the txt file because I guess Mountain Lion Mac os X isn't ...
80
9
votes
2answers
31k views

WampServer issues after Windows 10 upgrade

Since upgrading from Windows 7 to Windows 10, WampServer does not appear to be working (anything loaded in the browser is just a blank page), and even a fresh install does not cure the problem. Under ...
78
votes
12answers
119k views

How can I produce high CPU load on a Linux server?

I’m currently in the process of debugging a Cacti installation and want to create CPU load to debug my CPU utilization graphs. I tried to simply run cat /dev/zero > /dev/null, which works great ...
15
votes
5answers
106k views

Disable Aero on Windows 8?

Does anyone know how to disable Aero on Windows 8 (currently Release Preview)? Note: Contrary to what many places mention, I believe this should still be possible, because you can see it during the ...
489
votes
9answers
99k views

From a quality perspective, what is better: turning volume up in the software, in the OS, or on the speakers?

If music isn't loud enough, how do I get the best quality (even if the difference is in fact so small it's negligible)? By making the music louder in my music player, game or other sound-producing ...
154
9
votes
3answers
72k views

How do you permanently disable the 'This Connection is Untrusted' page on Firefox

I'm going insane. Can someone please help me to COMPLETELY DISABLE the 'This Connection is Untrusted' page on Firefox. Facts: I am running Firefox 23.0 on an Ubuntu machine (downloaded and ...
35
votes
7answers
48k views

Block/Remove “Web”/Bing Search from Windows 10

Is there a way to keep Windows 10 searches local and stop Bing results/searches? Windows 8 has "Search Settings" => "Use Bing to Search Online". Windows 10 has Bing Cra...er... results included and ...
19
votes
10answers
188k views

When installing Windows 7, CDBOOT error 5 appears: Cannot boot from CD; why?

I am installing Windows 7 on an old machine. I can not even get it to boot. I get this error message: CDBOOT: Cannot boot from CD - Code: 5 Boot Failure from Previous Device.. Boot Failure from ...
4
votes
3answers
45k views

Black screen without cursor after upgrading to Windows 10

Ola, I've been searching all over the internet for this one, so far without any luck. Today I hit the big update button in Windows 7. I updated all my stuff before doing this, then restarted, then ...
9
votes
2answers
115k views

What is standard A4 paper size in pixels for a given resolution?

Is there a standard size of A4 paper in pixels? Dimensions of A4 paper are 210mm × 297mm or 8.27in × 11.69in. For 600dpi resolution, I calculate the paper size in pixels like below: In imperial ...
6
votes
2answers
53k views

The program can't start because MSVCP100.dll is missing from your computer

Hi I'm getting this error when I try to start MegaSync from mega.co.nz Installation worked, but the program doesn't start What could be the issue
35
votes
5answers
143k views

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: <...
63
votes
5answers
130k views

How do you add a certificate authority (CA) to Ubuntu?

My work has decided to issue their own certificate authority (CA) to handle different aspects of our work securely without paying for certificates. Cryptographically sign emails Encrypt email ...
28
votes
1answer
100k views

How do I remove the “eye symbol” from password fields in Windows 8?

While I was entering my password in Gmail and other mail accounts, I could see a symbol of an "eye" in the text box. This is really dangerous because once you click on the eye, your password is ...
27
votes
6answers
81k views

Why does just splitting an Ethernet cable not work?

I thought the Ethernet is logically a one-line communication bus (for argument's sake, I am excluding hubs). All machines attached on the bus hears the same signals and the machines themselves try to ...
15
votes
8answers
152k views

How to create a virtual floppy drive?

I am trying to install a program which requires me to have a floppy disk in my machine while the installation is going on. I found a program called Virtual Floppy Drive that allowed me to create the ...
22
votes
8answers
152k views

How to copy text out of a PDF without losing formatting?

When I copy text out of a PDF file and into a text editor, it ends up mangled in a variety of ways. Formatting like bold and italics are lost; soft line breaks within a paragraph of text are converted ...
150
10
votes
4answers
83k views

How to use a smart TV as a monitor via built-in Wi-Fi adapter?

I have a TV with built-in Wi-Fi adapter (Samsung Smart TV series 6). How can I use it a regular monitor using Wi-Fi instead of HDMI? Currently I can use allShare software to cast videos to it. I am ...
68
votes
5answers
69k views

Why do some AC adapters and power supplies generate a whining noise, and what can I do about it?

I have many different AC adapters and power supplies for a variety of devices, ranging from small 5V/1A USB chargers to laptop power adapters and desktop PSUs. However, I often hear a whining noise ...
200
votes
10answers
57k views

Is there still a reason to choose a 10,000 RPM hard drive over an SSD?

For anyone who's serious about storage performance, SSDs are always the fastest solution. However, WD still makes their 10,000 RPM VelociRaptor hard drives, and a few enthusiasts even use enterprise-...
9
votes
3answers
131k views

How do I uninstall Windows 8 Consumer Preview?

Say, for instance, I don't like this Windows 8 consumer preview and that I downloaded, agreed to terms and installed it on my machine. How do I get rid of it? I want to go back to what I had before ...
24
votes
7answers
94k views

TiWorker.exe - Very High CPU Usage

I have a laptop running Windows 8. Although it originally ran well, it started having very bad performance issues. I decided to perform some research into the topic. Opening up Task Manager, I ...
40
votes
3answers
127k views

Turn off display in Windows on command

Is there a way to turn off the display in Windows (7), preferably without using additional software? Powershell script works fine, but leaves command-line window after turning on the display.
7
votes
4answers
64k views

Is it okay to run Windows Defender and another antivirus program at the same time?

We all know that it isn't recommended to run more than one antivirus program at a time. But since Windows Defender comes with Windows, is it safe to have it and another antivirus program (AVG, Avast) ...
22
votes
7answers
203k views

How do I install a 64-bit Windows 7 on a Macbook Pro without Boot Camp?

Is it possible to install Windows 7 (64-bit) on a Mac Pro without Boot Camp? I don't need Mac OS at all and just want to install Windows 7. EDIT: Yes, it seems possible (see answer), but I would ...
87
votes
11answers
47k views

What's the difference between mobile and desktop processors?

I just read about the new Samsung Galaxy Note Edge having a 2.7GHz quad-core processor and 3GB of Ram. The laptop I bought last year by HP is 4GB of ram and 2.3GHz quad-core and my iMac is even ...
121
votes
13answers
257k views

What can I do if I forgot my Windows password?

I got a brand new Windows 7 machine, installed the operating system, created one account and forgot its password. What can I do? There is no external CD, the operating system is loaded from somewhere ...
13
votes
1answer
215k views

How do I set up Windows 7 to stream media to my PS3?

I have a computer and a PS3 connected wirelessly to my router, but it seems no matter how hard I try I can not get my PC to show up on my PS3. I've also tried setting up a media server with TVersity ...
15
votes
3answers
35k views

Only 360p on Youtube with HTML5

I recently read that Firefox improved it's HTML5 video support, so I thought I gave it a go again, because I am not a fan of Flash. It works fairly well, but unfortunately the videos are limited to ...
60
votes
6answers
153k views

How do I update all fields in a Word document?

I want a way of updating all fields in a Word 2013 document. (If it works in other versions, all the better; I originally had this problem with Word 2007, and nothing seems to have changed since then.)...
48
votes
4answers
123k views

How do I log out of `sudo su`?

I'm using sudo su to start mysql and do some homework with it. When I finish with mysql (or any other command), then I'm still in sudo. How do I "log out", so my prompt changes back from # to $?
56
votes
7answers
151k views

Can I delete MSOCache?

I need more space on my SSD drive and I found that MSOCache is occupying 1.3 GB. I have Microsoft Office 2010 installed. Can I safely delete MSOCache?
74
votes
5answers
33k views

How to *disable* automatic reboots in Windows 10?

Windows 10 lets you 'schedule' a reboot for later. I want to disable it. Evidently Windows scheduled itself for a reboot last night when I wasn't looking and just closed everything I had been working ...
20
votes
8answers
181k views

How to boot from a USB device using an ISO image

I want to re-install Windows XP on my laptop. I have the ISO image for Windows XP. How can I boot from a USB device using simply my ISO image of Windows XP? My laptop is an IBM T42. If you are ...
140
votes
6answers
30k views

How do I remove Candy Crush Saga from Windows 10?

Windows 10 comes with "Candy Crush Saga" preinstalled, but I do not want it on my system. How do I remove it?
5
votes
3answers
42k views

After Windows 10 upgrade I can no longer access BIOS

I posted a question recently regarding my Windows 10 upgrade which ended up with a black screen and cursor. QUESTION I reverted back to Windows 8.1 using the "Revert to previous build" option in ...
12
votes
4answers
106k views

How to remove an old OS from the boot menu

When I upgraded from Windows XP to Windows 7, I had a second drive around and set it to dual boot. After a while, I decided that I wasn't ever going to go back to Windows XP, and so I deleted the ...
91
votes
2answers
210k views

Setting and getting windows environment variables from the command prompt?

This is a very basic question, but I can't find an answer. I want to set an environment variable from the command prompt and then be able to access it globally (for instance, I should see it by going ...
26
votes
1answer
135k views

How can I add Linux to the new Windows 8 boot manager?

Which OSes can be put into the new bootloader that Windows 8 provides? It seems to be quite pretty and consistent with the rest of the new Windows 8 design, so it would be cool to put Linux (Ubuntu) ...
4
votes
2answers
68k views

How to change the saved Office 2013 Product Key

I installed Office 2013 and put in the product key when it asked me to. After typing in the product key, it allowed me to use MS Word once. After I closed MS Word and went to reopen it the next day, ...
59
votes
4answers
96k views

Bash: Display each sub-directory size in a list format using 1 line command?

I want to get a list of the directories and their sizes in a list format like how you get when you do a ls -l. The thing is that is there a one line command that can do this? I see others have long ...
131
8
votes
1answer
116k views

How do I access Windows 8 Recovery partition and how to recover it to factory image?

On Windows 7 I usually enter into Windows Recovery partition by using F7 and choosing it to recovery mode. Now on Windows 8 F7, F8 or any of FXX keys works on booting (even on Full Reboot). How do I ...
15
votes
5answers
126k views

How to export Gantt Chart from MS Project as an image

I want to know (if possible) how to export a Gantt Chart from MS Project 2010 to an image or similar to insert in PowerPoint. I've searched over the internet and I found articles about exporting to ...