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PowerShell Inventory Script

This piece of code snippet below will use PowerShell cmdlet to get Computer Name,PC Model, Serial Number and the current logged on user.      

Below are the one liner codes to get the Computer Name,PC Model, Serial Number and the current logged on user.

#Will select/get the computer name from WMI Object (win32_Computersystem)
get-wmiobject win32_computersystem | Select Name

#Will select/get the PC Model from WMI Object (win32_Computersystem)
get-wmiobject win32_computersystem | select Model

#Will select/get the serial number from WMI Object (win32_Computersystemproduct)
#I just notice that the IdentifyingNumber as it is named by MS is equal to the serial number of the PC
get-wmiobject win32_computersystemproduct  | select IdentifyingNumber

#Will select/get the currently logged on user from WMI Object (win32_Computersystem)
get-wmiobject win32_computersystem -computer . | select username        

Here's the whole PowerShell code, which will get the data and display the output in one line.

The .ToString will convert the variable to string, in order to remove the line feed from the variable.

It takes a couple of time to figured out how to get rid of the line feed from the write-host output.

$varPCModel= $PCModel.ToString()

The line feed or the "`n" will be replaced by a blank or empty character so that the variable can be displayed in one line together with any string specified on the write-host command.

$resultPCModel= $PCModel.replace("`n","")


$computername = get-wmiobject win32_computersystem | Select Name |  ft name -HideTableHeaders | Out-String
$PCModel = get-wmiobject win32_computersystem | select Model | ft -HideTableHeaders | Out-String
$SerialNumber = get-wmiobject win32_computersystemproduct  | select IdentifyingNumber | ft -HideTableHeaders  | Out-String
$xUserName = get-wmiobject win32_computersystem -computer . | select username | ft -HideTableHeaders  | Out-String

$varCompName = $computername.ToString()
$resultCompName = $varCompName.replace("`n","")
write-host "Computer Name-: $resultCompName"

$varPCModel= $PCModel.ToString()
$resultPCModel= $PCModel.replace("`n","")
write-host "PC Model-: $resultPCModel"

$varSerialNumber= $SerialNumber.ToString()
$resultSerialNumber= $SerialNumber.replace("`n","")
write-host "Serial Number-: $resultSerialNumber"

$resultUserName = $varUserName.replace("`n","")
write-host "User Name-: $resultUserName"


Sample output of the above code:

Computer Name-: Workstation01
PC Model-: HP ENVY 700-215xt Desktop
Serial Number-: PHH317X97B

To get rid of blank spaces of write-host command between the specified string and the variable output, use code below.


$resultCompName = "$("Computer Name-:") $($computername)"
write-host $resultCompName

$resultPCModel= "$("PC Model-:") $($PCModel)"
write-host $resultPCModel

$resultSerialNumber= "$("Serial Number-:") $($SerialNumber)"
write-host $resultSerialNumber

$resultxUserName= "$("User Name-:") $($xUserName)"
write-host $resultxUserName


Sample output of the above code:

Computer Name-:

PC Model-:
HP ENVY 700-215xt Desktop

Serial Number-:

User Name-:

Hope this helps someone!!!


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WMIC get computer model, manufacturer, computer name and  username.
WMIC is a command-line tool and that can generate information about computer model, its manufacturer, its username and other informations depending on the parameters provided.
Why would you need a command line tool if there’s a GUI to check?
If you have 20 or 100 computers, or even more. It’s quite a big task just checking the GUI to check the computer model and username.
If you have remote computers, you need to delegate someone in the remote office or location to check.
Or you can just write a batch file or script to automate the task.
Here’s the code below on how get computer model, manufacturer and the username.
Open an elevated command prompt and type:
wmic computersystem get "Model","Manufacturer", "Name", "UserName"
Just copy and paste the code above, the word “computersystem” does not need to be change to a computer name.
A sample output below will be generated if the co…