How to Diagnose Computer Modem Problems
Modems are funny. Sometimes they work and sometimes they do not--often with no warning in between phases. Being fair, there are situations when it is not even a working modems fault. For example, if you often switch from wireless to broadband, DSL or landline connections regularly, it is not uncommon to inadvertently psyche out an innocent piece of hardware. There is a way to zero in on the modem device and narrow down any problematic issues associated with it. Learn how to cure a temperamental modem's mood swings and the computer's reaction to our occasional indecisiveness.
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Instructions
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1
Run the modem diagnostic tool. To do this, click "Start" and then select "Control Panel."
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2
Select "Printers and Other Hardware" and then click "Phone and Modem Options."
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3
Click the "Modems" tab, highlight the modem you would like to run the diagnostic test on and then click "Properties."
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4
Go to the "Diagnostics" tab and click "Query Modem." Look for lines that read "Interpreted Response: OK" to indicate healthy modem functions. Proceed to Step 5 if you have further issues.
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5
Go to the General tab and read the status of the modem. It should read "The device is working properly." If not, click "Troubleshoot" and follow the prompts to diagnose and repair the problem.
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Tips & Warnings
Make sure your modem port speed is set for the highest value available. To do this, follow steps 1 through 3 and then go to the "Modems" tab, select the highest speed under "Maximum port speed" and then click "OK."
