Dell Vostro 5625 Service Manual - Page 72

Real-Time Clock (RTC Reset), No memory or RAM Random-Access Memory

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The following table shows different power and battery-status light patterns and associated problems. NOTE: The following diagnostic light codes and recommended solutions are intended for Dell service technicians to troubleshoot problems. You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Table 11. Diagnostic-light LED codes Diagnostic light codes (Amber,White) Problem description 1,1 M-BIST: TPM 1,2 M-BIST: SPI flash 1,3 Hinge cable OCP1 1,4 Hinge cable OCP2 1,5 i-Fuse failure 1,6 EC internal failure 2,1 Processor failure 2,2 System board: BIOS or ROM (Read-Only Memory) failure 2,3 No memory or RAM (Random-Access Memory) detected 2,4 Memory or RAM (Random-Access Memory) failure 2,5 Invalid memory installed 2,6 System-board or chipset error 2,7 Display failure - SBIOS message 2,8 Display failure - EC detection of power rail failure 3,1 Coin-cell battery failure 3,2 PCI, video card/chip failure 3,3 Recovery image not found 3,4 Recovery image found but invalid 3,5 Power-rail failure 3,6 System BIOS Flash incomplete 3,7 ME error 4,1 Memory error 4,2 Power rail error Camera status light: Indicates whether the camera is in use. ● Solid white-Camera is in use. ● Off-Camera is not in use. Caps Lock status light: Indicates whether Caps Lock is enabled or disabled. ● Solid white-Caps Lock enabled. ● Off-Caps Lock disabled. Real-Time Clock (RTC Reset) The Real Time Clock (RTC) reset function allows you or the service technician to recover Dell systems from No POST/No Power/No Boot situations. The legacy jumper enabled RTC reset has been retired on these models. 72 Troubleshooting

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The following table shows different power and battery-status light patterns and associated problems.
NOTE:
The following diagnostic light codes and recommended solutions are intended for Dell service technicians to
troubleshoot problems. You should only perform troubleshooting and repairs as authorized or directed by the Dell technical
assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty.
Table 11. Diagnostic-light LED codes
Diagnostic light codes
(Amber,White)
Problem description
1,1
M-BIST: TPM
1,2
M-BIST: SPI flash
1,3
Hinge cable OCP1
1,4
Hinge cable OCP2
1,5
i-Fuse failure
1,6
EC internal failure
2,1
Processor failure
2,2
System board: BIOS or ROM (Read-Only
Memory) failure
2,3
No memory or RAM (Random-Access Memory)
detected
2,4
Memory or RAM (Random-Access Memory)
failure
2,5
Invalid memory installed
2,6
System-board or chipset error
2,7
Display failure - SBIOS message
2,8
Display failure - EC detection of power rail
failure
3,1
Coin-cell battery failure
3,2
PCI, video card/chip failure
3,3
Recovery image not found
3,4
Recovery image found but invalid
3,5
Power-rail failure
3,6
System BIOS Flash incomplete
3,7
ME error
4,1
Memory error
4,2
Power rail error
Camera status light:
Indicates whether the camera is in use.
●
Solid white—Camera is in use.
●
Off—Camera is not in use.
Caps Lock status light:
Indicates whether Caps Lock is enabled or disabled.
●
Solid white—Caps Lock enabled.
●
Off—Caps Lock disabled.
Real-Time Clock (RTC Reset)
The Real Time Clock (RTC) reset function allows you or the service technician to recover Dell systems from No POST/No
Power/No Boot situations. The legacy jumper enabled RTC reset has been retired on these models.
72
Troubleshooting