Lenovo Storage N3310 (English) User Guide and Hardware Maintenance Manual - Le - Page 129

Troubleshooting and diagnostics, Troubleshooting procedure

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Chapter 7. Troubleshooting and diagnostics This chapter provides information about basic troubleshooting and diagnostic methods to help you solve problems that might occur in the storage product. If you cannot diagnose and correct a problem by using the information in this chapter, see Chapter 8 "Getting information, help, and service" on page 121 for additional troubleshooting resources. Troubleshooting procedure Use the following information as a general procedure for diagnosing and troubleshooting problems you experience with your storage product: 1. Verify that the power cords and the cables for all attached devices are connected correctly and securely. 2. Verify that the storage product and all attached devices that require ac power are connected to properly grounded, functioning electrical outlets. 3. Verify that all installed hardware and attached devices are enabled in the BIOS settings of your storage product. For more information about accessing and changing the BIOS settings, see "Using the Setup Utility program" on page 31. 4. View the status and diagnostic LEDs to identify the system and device status and diagnose problems. See "Viewing the status and diagnostic LEDs" on page 115. 5. If the storage product is not working after you have added new software, installed a new optional device, or replaced a piece of hardware, remove or reinstall the software, device, or hardware to see if the problem could be solved. 6. View the system event log to diagnose problems. See "Viewing the system event log" on page 115. 7. Turn on the storage product and press Esc as soon as you see the logo screen to view any diagnostic messages. 8. Refer to "Basic troubleshooting tables" on page 116 and follow the instructions for the type of problem you are experiencing. If the basic troubleshooting information does not help you resolve a problem, continue with the next step. 9. Try using a previous storage product configuration to see if a recent change to hardware or software settings has caused a problem. Before restoring your previous configuration, capture your current configuration in case the older configuration settings do not solve the problem or have adverse effect. 10. Use an antivirus program to see if your storage product has been infected by a virus. If the program detects a virus, remove the virus. 11. If none of these actions solve the problem, seek technical assistance. See Chapter 8 "Getting information, help, and service" on page 121. Viewing the status and diagnostic LEDs Your storage product has status and diagnostic LEDs on the front panel, the rear panel, the system board, the hot-swap storage drives, and the optical drive (if supported). The various LEDs help you easily identify the system and device status and diagnose problems. For information about the LEDs, refer to the related topics in "Locations" on page 13. Viewing the system event log The system event log (SEL) contains information about all the POST and system management interrupt (SMI) events. You can view the SEL to diagnose system problems. © Copyright Lenovo 2015 115

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Chapter 7. Troubleshooting and diagnostics
Thischapterprovidesinformationaboutbasictroubleshootinganddiagnosticmethodstohelpyousolve
problems that might occur in the storage product.
If you cannot diagnose and correct a problem by using the information in this chapter, see Chapter 8
“Gettinginformation,help,andservice”onpage121foradditionaltroubleshootingresources.
Troubleshootingprocedure
Use the following information as a general procedure for diagnosing and troubleshooting problems you
experience with your storage product:
1.Verifythatthepowercordsandthecablesforallattacheddevicesareconnectedcorrectlyandsecurely.
2.Verifythatthestorageproductandallattacheddevicesthatrequireacpowerareconnectedtoproperly
grounded, functioning electrical outlets.
3.VerifythatallinstalledhardwareandattacheddevicesareenabledintheBIOSsettingsofyourstorage
product.FormoreinformationaboutaccessingandchangingtheBIOSsettings,see“UsingtheSetup
Utility program” on page 31.
4. View the status and diagnostic LEDs to identify the system and device status and diagnose problems.
See “Viewing the status and diagnostic LEDs” on page 115.
5. If the storage product is not working after you have added new software, installed a new optional
device,orreplacedapieceofhardware,removeorreinstallthesoftware,device,orhardwaretoseeif
the problem could be solved.
6. View the system event log to diagnose problems. See “Viewing the system event log” on page 115.
7. Turn on the storage product and press Esc as soon as you see the logo screen to view any diagnostic
messages.
8.Referto“Basictroubleshootingtables”onpage116andfollowtheinstructionsforthetypeofproblem
you are experiencing. If the basic troubleshooting information does not help you resolve a problem,
continue with the next step.
9. Try using a previous storage product configuration to see if a recent change to hardware or software
settings has caused a problem. Before restoring your previous configuration, capture your current
configurationincasetheolderconfigurationsettingsdonotsolvetheproblemorhaveadverseeffect.
10. Use an antivirus program to see if your storage product has been infected by a virus. If the program
detects a virus, remove the virus.
11. If none of these actions solve the problem, seek technical assistance. See Chapter 8 “Getting
information, help, and service” on page 121.
Viewing the status and diagnostic LEDs
YourstorageproducthasstatusanddiagnosticLEDsonthefrontpanel,therearpanel,thesystemboard,
thehot-swapstoragedrives,andtheopticaldrive(ifsupported).ThevariousLEDshelpyoueasilyidentify
thesystemanddevicestatusanddiagnoseproblems.ForinformationabouttheLEDs,refertotherelated
topics in “Locations” on page 13.
Viewing the system event log
Thesystemeventlog(SEL)containsinformationaboutallthePOSTandsystemmanagementinterrupt(SMI)
events. You can view the SEL to diagnose system problems.
© Copyright Lenovo 2015
115