Dell Vostro 260s Owner's Manual (Mini Tower) - Page 52

Diagnostic Beep Codes, Super I/O chip failure - ram

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Power LED Light Status Steady White Possible Cause Troubleshooting Steps +5VSB rail on the power supply is working correctly. • Ensure the main power cable and front panel cable are securely connected to the system board. The computer is fully functional and in the On state. If the computer is not responding, do the following: • Ensure the display is connected and turned on. • If the display is connected and turned on, listen for a beep code. Diagnostic Beep Codes Beep 1 2 3 4 5 6 Possible Cause Troubleshooting Steps BIOS ROM checksum in progress of failure. System board failure, covers BIOS corruption or ROM error No RAM detected No memory detected • Chipset Error (North System board Failure and South Bridge Chipset, DMA/IMR/ Timer Error for Intel platform); Chipset Error • Time-Of-Day Clock test failure • Gate A20 failure • Super I/O chip failure • Keyboard controller test failure RAM Read/Write failure RTC Power Fail Video BIOS Test Failure Memory failure COMS battery failure Video card failure 52

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Power LED Light Status
Possible Cause
Troubleshooting Steps
+5VSB rail on the power
supply is working correctly.
•
Ensure the main power
cable and front panel
cable are securely
connected to the
system board.
Steady White
The computer is fully
functional and in the On
state.
If the computer is not
responding, do the
following:
•
Ensure the display is
connected and turned
on.
•
If the display is
connected and turned
on, listen for a beep
code.
Diagnostic Beep Codes
Beep
Possible Cause
Troubleshooting Steps
1
BIOS ROM checksum in
progress of failure.
System board failure,
covers BIOS corruption or
ROM error
2
No RAM detected
No memory detected
3
•
Chipset Error (North
and South Bridge
Chipset, DMA/IMR/
Timer Error for Intel
platform); Chipset Error
•
Time-Of-Day Clock test
failure
•
Gate A20 failure
•
Super I/O chip failure
•
Keyboard controller
test failure
System board Failure
4
RAM Read/Write failure
Memory failure
5
RTC Power Fail
COMS battery failure
6
Video BIOS Test Failure
Video card failure
52