![icon for hard drive indicator](https://dl.dell.com/content/guides/public/Html/per760_ism_pub/images/GUID-ABDAD09E-B394-408E-AC95-AB97442ED013-low.jpg) | Drive indicator
| The indicator turns solid amber if there is a drive error.
| - Check the System Event Log to determine if the drive has an error.
- Run the appropriate Online Diagnostics test. Restart the system and run embedded diagnostics (ePSA).
- If the drives are configured in a RAID array, restart the system, and enter the host adapter configuration utility program.
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![icon for temperature indicator](https://dl.dell.com/content/guides/public/Html/per760_ism_pub/images/GUID-1E472772-ACD2-42EA-BB2E-D8AF2C0D6CC7-low.jpg) | Temperature indicator
| The indicator turns solid amber if the system experiences a thermal error (for example, the ambient temperature is out of range or there is a fan failure).
| Ensure that none of the following conditions exist:
- A cooling fan has been removed or has failed.
- System cover, air shrouds, or back filler bracket has been removed.
- Ambient temperature is too high.
- External airflow is obstructed.
If the problem persists, see the
Getting help section.
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![icon for electrical indicator](https://dl.dell.com/content/guides/public/Html/per760_ism_pub/images/GUID-50DF949E-D9F6-47FD-9091-41E7099489EB-low.jpg) | Electrical indicator
| The indicator turns solid amber if the system experiences an electrical error (for example, voltage out of range, or a failed power supply unit (PSU) or voltage regulator).
| Check the System Event Log or system messages for the specific issue. If it is due to a problem with the PSU, check the LED on the PSU. Reseat the PSU.
If the problem persists, see the Getting help section.
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![icon for memory indicator](https://dl.dell.com/content/guides/public/Html/per760_ism_pub/images/GUID-6C0356B2-00D5-4884-9897-7192D88014A5-low.jpg) | Memory indicator
| The indicator turns solid amber if a memory error occurs.
| Check the System Event Log or system messages for the location of the failed memory. Reseat the memory module.
If the problem persists, see the Getting help section.
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![icon for PCIe indicator](https://dl.dell.com/content/guides/public/Html/per760_ism_pub/images/GUID-0CE83551-E9C1-4009-A869-40A12CFB59EC-low.jpg) | PCIe indicator
| The indicator turns solid amber if a PCIe card experiences an error.
| Restart the system. Update any required drivers for the PCIe card. Reinstall the card.
If the problem persists, see the Getting help section.
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