Check duplicates with function
I have in column B a type of code (W-54345), which is always must be either blank, or once or twice in to the column.
I need in formula to run in column A to check in the code exists for more than two times.
Have in mind that the data comes automatically form a database table which refresh every time and always the column B is always sorted asceding.
So in B1 i will have W-54345
in B2 i will have W-54345
in B3 i will have W-54346 and so on.
If there is the W-54345 3 times i need an alert.
Is that possible?
Thanks in advance for your valuable time.
Keys to the Problem Check duplicates with function
You can use this formula also, which will tell you the status of each line item, whether it is duplicate or unique.
Sort the values in column B Put the following formula in cell C1 and drag till data range
=IF(B1=B2, "Duplicate", "Unique")
Filter with results having "Duplicate" value and delete it.
Copy the formula from beginning till the end once again.
All items are unque now.
Manually editing the Windows registry
Manually editing the Windows registry to remove invalid MACHINE_CHECK_EXCEPTION keys is not recommended unless you are PC service professional. Incorrectly editing your registry can stop your PC from functioning and create irreversible damage to your operating system. In fact, one misplaced comma can prevent your PC from booting entirely!
Caution: Unless you an advanced PC user, we DO NOT recommend editing the Windows registry manually. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows. We do not guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.
To manually repair your Windows registry, first you need to create a backup by exporting a portion of the registry related to MACHINE_CHECK_EXCEPTION (eg. Windows Operating System):
- Click the Start button.
- Type "command" in the search box... DO NOT hit ENTER yet!
- While holding CTRL-Shift on your keyboard, hit ENTER.
- You will be prompted with a permission dialog box.
- Click Yes.
- A black box will open with a blinking cursor.
- Type "regedit" and hit ENTER.
- In the Registry Editor, select the Error 0x9C-related key (eg. Windows Operating System) you want to back up.
- From the File menu, choose Export.
- In the Save In list, select the folder where you want to save the Windows Operating System backup key.
- In the File Name box, type a name for your backup file, such as "Windows Operating System Backup".
- In the Export Range box, be sure that "Selected branch" is selected.
- Click Save.
- The file is then saved with a .reg file extension.
- You now have a backup of your MACHINE_CHECK_EXCEPTION-related registry entry.
Recommended Method to Fix the Problem: Check duplicates with function:
How to Fix Check duplicates with function with SmartPCFixer?
1. Click the button to download Error Fixer . Install it on your computer. Open it, and it will scan your computer. The junk files will be shown in the list.
2. After the scan is done, you can see the errors and problems which need to be fixed.
3. When the Fixing part is done, your computer has been speeded up and the errors have been removed
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