InStr function doesn't find specific text, but finds any text in column and runs code

I have the below code:

Goal - I want the code to search Column "E" for the word "ExchangeIssue". If text "ExchangeIssue" is not found in Column E then Exit Sub.
If text "ExchangeIssue" is found, display message box asking to if they want to confirm exchanges. Depending on if answered yes or
no, "Call Confirm" or "Call No_Confirm" respectively.

Issues - Line "If InStr(1, Range("E2:E" & lrow).Text, "ExchangeIssue", 1) = 0 Then"
If there is any word in column E the message box will be displayed, NOT only when the word "ExchangeIssue" exists. If I clear all
contents in Column E, then the code will exit sub.

What I tried - I tried changing line to If InStr(1, Range("E2:E" & lrow).Value, "ExchangeIssue", 1) = 0 Then
but that only return a Run Time Error '13 - Type Mismatch. I think it has something to do with the range, but I need some
guidance

Code
Sub Exchange_Msg()

Dim lrow As Long

Sheets("Exchanges").Select

'find the last row
lrow = Range("E65536").End(xlUp).row

'select from E2 to the last used row
Range("E2:E" & lrow).Select

If InStr(1, Range("E2:E" & lrow).Text, "ExchangeIssue", 1) = 0 Then
Exit Sub
Else

MSG = MsgBox("Do you want to confirm exchanges?", vbYesNo, "Confirm Exchanges?")
If MSG = vbYes Then
Call Confirm
Else
Call No_Confirm
End If
End If

End Sub
End Code

Any assistance is greatly appreciated!
Thank you

Milkey,
Please wrap up you code with code tags as per forum's rule.
I do not think the inStr function works with more than a single range, you have to test it for each single cell.

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Alternative code. Not as simple as AB33's though. I don't know why but I have to do things the hard way lol
It doesn't matter about Case, the code converts everything to lower case for comparison

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@ Norie.. I tried using Find with Instr as the find what & couldn't get it to work. I don't know if ExchangeIssue is on it's own or mixed with other text in the cell. If you know how to do it, can I see

Thanks guys! Appreciate the help! Think I am all set. I ended up going with Phils, but again thanks to everyone.