How to Run a Diagnostic on the Dell 1505 Laptop Fan

Written by ruri ranbe
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The laptop fan keeps the central processing unit and other hardware components installed in the Dell Inspiron E1505, cool. If the fan in the Dell 1505 fails to turn on when the laptop becomes hot, the computer will shut down to keep the hardware from overheating. Dell Diagnostics is a program included with the Dell Inspiron that scans the hardware for problems. If the laptop fan fails to turn on, or if the computer contines to shut off after growing hot, run a diagnostic on the fan to search for errors.

Skill level:


  1. 1

    Turn on or restart the Dell Inspiron E1505. Press "F12" on the Dell logo screen to open the boot menu.

  2. 2

    Use the arrow keys to select "Diagnostics." Press "Enter." Before loading Dell Diagnostics, the computer will run a series of tests on the motherboard, hard drive, monitor and keyboard.

  3. 3

    Answer any questions that appear during the pretest. If an error code appears while running the pretest, write down the message. Press "Y" to continue the test.

  4. 4

    Press "Enter" when the "Booting Dell Diagnostic Utility Partition. Press Any Key to Continue" message appears onscreen.

  5. 5

    Click "Express Test" on the "Main Menu" screen to run a diagnostic on the laptop fan. The express test takes about 10 to 20 minutes. You do not need to be present while the test runs.

  6. 6

    Review the results of the test when the express test completes. If the test detects an error related to the system fan, write down the error message and follow the onscreen directions to resolve the issue.

  7. 7

    Click "Extended Test" if Dell Diagnostics failed to detect a problem with the Dell 1505 laptop fan. The extended test takes an hour or longer and requires user input.

  8. 8

    Read the results page when the test is complete, and follow the onscreen instructions to resolve any detected errors. If the extended test failed to detect a problem with the fan, the fan's driver may be corrupt or outdated, or the fan may be clogged.

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