Dell Inspiron 24 3464 Inspiron 24 3000 Service Manual - Page 88

System diagnostic lights - series

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System diagnostic lights The computer POST (Power On Self Test) ensures that it meets the basic computer requirements and the hardware is working appropriately before the boot process begins. If the computer passes the POST, the computer continues to start in a normal mode. However, if the computer fails the POST, the computer emits a series of LED codes in amber color during the start-up. The following table shows different light patterns and what they indicate. Number of Power LED flashes 1 Problem description System board: BIOS and ROM failure 2 No memory or RAM detected 3 System board or chipset error 4 Memory or RAM failure 5 CMOS battery failure 6 Video card or chip failure 7 CPU failure 8 Display failure 3,3 BIOS recovery image not found (Three amber color LED flashes followed by three white color LED flashes.) 3,4 (Three amber color LED flashes followed by four white color LED flashes.) BIOS recovery image found but invalid 88

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System diagnostic lights
The computer POST (Power On Self Test) ensures that it meets the basic
computer requirements and the hardware is working appropriately before the
boot process begins. If the computer passes the POST, the computer
continues to start in a normal mode. However, if the computer fails the POST,
the computer emits a series of LED codes in amber color during the start-up.
The following table shows different light patterns and what they indicate.
Number of Power LED flashes
Problem description
1
System board: BIOS and ROM failure
2
No memory or RAM detected
3
System board or chipset error
4
Memory or RAM failure
5
CMOS battery failure
6
Video card or chip failure
7
CPU failure
8
Display failure
3,3
(Three amber color LED flashes
followed by three white color LED
flashes.)
BIOS recovery image not found
3,4
(Three amber color LED flashes
followed by four white color LED
flashes.)
BIOS recovery image found but invalid
88