Question about Dell OptiPlex GX520 PC Desktop
Either your fan is dirty or your fan is malfunctioning. If you have a warranty then call Dell to replace the fan (they will run some test first), or if you know how to replace the fan i would suggest that first.
Dell usually comes with a Diagnostic Disk that you can boot from to troubleshoot, if you do not have the disk then the built in Diagnostic Utility can help you. This will also help tell you if there is anything else wrong with the machine, the test takes long so be patient.
To get to the Diagnostics Utility follow these steps:
1. Reboot the computer and press "F12" and you will be taken to a "Boot Menu".
2. Select the Diagnostic Utility (might have a different name)
3. Walk through he steps to test your computer. This Utility will test everything that's why the disk is better. The disk will allow you to choose which test to run.
If you do not have the built in Diagnostic Utility and do not have the disk then visit the Dell website, choose support and type in your Service Tag number. Then download the utility, this site can also determine if you still have a warranty on the machine (but your GX520 is quite old and might be out of warranty)
Please rate if this helps
Posted on Mar 15, 2011
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Posted on Jan 02, 2017
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