How this works: The VLOOKUP function might look confusing because it contains four arguments, but it’s straightforward to use. The four arguments for the VLOOKUP function are as follows: lookup_value (required): The value to search for in the first column of the table array. table_array (required) - This is the table of data (a range of cells) that VLOOKUP searches to find the information you need. The table_array must contain at least two columns of dataThe first column must contain the lookup_value...

How to Find the Serial Number of a MacBook Each MacBook has a unique serial number, and you can find the serial number in a handful of different locations. Here are the most accessible places to find your serial number: About This Mac: The serial number is on the About This Mac screen’s overview tab. If your Mac is already on, try this method. On the bottom of your MacBook: The serial number is printed on the bottom side of your MacBook....

Find the Model Number From the Identification Label Product labels pasted on the laptop body or the cardboard packaging can include the Dell laptop model number. The placement of the product label can differ. According to Dell Support, look in these locations: Bottom cover, base, or back of the productBattery compartmentScreen, keyboard trim, or palm rest The Reg Model with an alphanumeric number indicates the specific model. The label displays other alphanumerical information, like the service tag, country of origin, the IEC (Information Technology Equipment Safety) number, the Dell Part Number (DP/N), etc....

This guide shows you how to troubleshoot a repeat authorization request in iTunes. Reasons Why iTunes Says Some Songs Are Not Authorized A repeat authorization request occurs when you launch iTunes, select a song or track to listen to, and receive a prompt indicating you’re not authorized to play that song. The most common cause of this problem is when an iTunes library includes songs purchased by other user accounts or Apple IDs, and some of those profiles are not authorized to access certain content....

How to Recognize a PS4 HDMI Port Issue There are a number of ways to tell if you’re experiencing issues with your PS4’s HDMI port: The graphics on the screen are distorted or pixelated and the sounds are discordant.Known as the “Blue Light of Death,” when you turn on the console, the system light flashes blue for an extended period before shutting down, indicating an issue with the internal hardware.Seeing a “No Input” message on the HDMI channel the system is attached to or seeing a black screen, which means no video signal is being received....

Since most Windows-based games and advanced graphics programs utilize DirectX, d3dx9_38.dll errors usually show up only when using these programs. D3dx9_38.dll Errors There are several ways d3dx9_38.dll errors can show up on your computer, including: D3DX9_38.DLL Not FoundFile d3dx9_38.dll not foundThe file d3dx9_38.dll is missingD3dx9_38.dll not found. Reinstalling might help fix this Even though these error messages could apply to any program that utilizes Microsoft DirectX, video games are the general common thread....

Why Are My FaceTime Calls Lagging? FaceTime can run into problems for a variety of reasons. The most likely culprit is the Wi-Fi connection, which can lead to lag if it’s unable to move the necessary data around quickly enough. Sub-optimal Wi-Fi speeds for FaceTime calls could be the result of someone being too far away from their local signal, interference with the signal, or an issue with the router or iPhone or iPad itself....

Fmod.dll Errors There are several ways fmod.dll errors can show up on your computer. Here are some of the more common ways that you might see them: Fmod.dll Not Found. This application failed to start because fmod.dll was not found. Re-installing the application may fix this problem.Cannot find [PATH]\fmod.dll. The file fmod.dll is missing.Cannot start [APPLICATION]. A required component is missing: fmod.dll. Please install [APPLICATION] again. Fmod.dll error messages might appear while using or installing certain programs, when Windows starts or shuts down, or maybe even during a Windows installation....

When it’s all said and done, a brand-new streaming device being used over a high-quality internet connection can still have streaming issues if Hulu is to blame. There’s nothing you can really do if that’s the case. Regardless of where or how you use the service, below are several common Hulu streaming problems you might run into, and our take on what you can do to fix them, or at least minimize the issue as much as possible....

Reasons the Apple Podcasts App Won’t Play When a podcast in the Apple Podcasts app won’t play you’ll find it’s often caused by a problem downloading the podcast or syncing with other devices. The Podcasts app should download and sync podcasts automatically, but this can be interrupted or unavailable for a variety of reasons. These include a spotty Internet connection or a problem with the servers hosting the podcast. The podcast might also fail to play because of a software bug or configuration issue in the Podcasts app....

Why Are WhatsApp Voice Messages Not Working? There can be many different reasons why voice messaging isn’t working and each reason typically involves a different solution. But first, it’s a good idea to narrow things down to the specific problem you’re dealing with. Here’s a look at them. You have a volume issue. If your phone or computer’s speaker isn’t working or is turned too low, you won’t be able to hear the message....

What Causes PS4 Overheating? When your PS4 is overheating, you’ll usually see a message like this: There are a number of things that can cause a PS4 to overheat, many of which you can fix yourself at home. Your PS4 may overheat if the vents are blocked, or if there isn’t enough clearance between the vents and other objects. The PS4 will also tend to overheat if there’s a lot of dust inside....

Openal32.dll Errors There are several ways that openal32.dll errors can show up on your computer. Here are some of the more common error messages you might see: Openal32.dll Not FoundThis application failed to start because openal32.dll was not found. Re-installing the application may fix this problem.Cannot find [PATH]\openal32.dllUnable to start the program because it lacks openal32.dll on your computer.The file openal32.dll is missing.The program can’t be started because openal32.dll is missing on your computer....

Zlib.dll Errors There are several ways zlib.dll errors can show up on your computer. Here are some of the more common error messages you might see: Zlib.dll Not FoundThis application failed to start because zlib.dll was not found. Re-installing the application may fix this problemCannot find [PATH]\zlib.dllThe file zlib.dll is missingCannot start [APPLICATION]. A required component is missing: zlib.dll. Please install [APPLICATION] again The zlib.dll file is associated with the zlib compression library, specifically zlib-1....

How to Flush and Clear Your Windows DNS Cache The easiest way to clear your DNS cache is to use the Run dialog box, a Windows tool that allows you to quickly run commands, launch apps, and open files if you know what to type. How to Use Command Prompt to Clear Your DNS Cache The Run dialog box is quick and easy, but it doesn’t provide much feedback or options....

How to Forward an Email as an Actual Attachment There may be times when you want to forward an incoming email to someone as an attachment so that they know you haven’t edited the message. Or you may want to attach an email to the message to send them a record of a conversation. For Outlook 2019, 2016, 2013, 2010, and Outlook for Microsoft 365 The steps to forward emails as attachments are the same in Outlook 2010 to 2019 including Outlook for Microsoft 365....

How To Free Up Disk Space in Windows 8 If your computer is running slow, your hard drive might be running low on space. The best way to free up disk space in Windows 8 is to delete programs and data you’re not using or no longer need. To free up disk space by removing unneeded programs: After Windows removes the app, check your apps list and make sure it’s gone....

What Is Bokeh? The bokeh effect is popular among DSLR and film camera shooters, and it’s possible to mimic it on a smartphone camera. In the photos below, bokeh is the quality of the out-of-focus areas of an image. In digital photography, the shape of the camera lens creates the white circles in the background. It’s a technique that adds artfulness to portraits, close-ups, and other shots where the background doesn’t need to be in focus....

How to Start a Group FaceTime Using the FaceTime App There are two ways to FaceTime with multiple people on an iPad or iPhone: the FaceTime app or the Messages app, both of which are installed with the iOS and available at the App Store if you deleted them. Start a Group FaceTime Using the Messages App You can also use the Messages app to start a group FaceTime in a few steps....

Standard Aftermarket Car Stereo Head Unit Wire Colors The easiest way to wire in an aftermarket car stereo is to identify the OEM wires using diagrams for the specific vehicle and head unit. Still, it’s possible to get the job done without any labels, adapters, or diagrams. Unlike OEM head units, which are all over the place in terms of wire colors, most aftermarket manufacturers stick to a standardized coloring scheme....