Dell Latitude 7350 Detachable Owners Manual - Page 146
Table 55. System-diagnostic lights continued, Blinking pattern, Problem description
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Table 55. System-diagnostic lights (continued) Blinking pattern Amber White 2 5 2 6 2 7 2 8 3 1 3 2 3 3 3 4 3 5 3 6 3 7 4 1 Problem description Suggested resolution ● If the problem persists, replace the memory module. Invalid memory installed ● Reset and swap memory modules among the slots. ● If the problem persists, replace the memory module. System board or Chipset Error Replace the system board. LCD failure (SBIOS message) Replace the LCD module. LCD failure (EC detection of power rail failure) Replace the system board. CMOS battery failure ● Reset the main battery connection. ● If the problem persists, replace the main battery. PCI or Video card or chip failure Replace the system board. BIOS Recovery image not found ● Flash latest BIOS version ● If the problem persists, replace the system board. BIOS Recovery image found ● Flash latest BIOS version but invalid ● If the problem persists, replace the system board. Power rail failure Replace the system board. Flash corruption is detected by SBIOS. Timeout waiting on ME to reply to HECI message. Memory DIMM power-rail failure ● Press the power button for over 25 seconds to do RTC reset. If the problem persists, replace the system board. ● Disconnect all power source (AC, battery, coin cell) and drain flea power by pressing and holding down the power button 3~5 seconds to ensure all power are drained. ● Run "BIOS recovery from USB", and the instructions are in the website Dell support. ● If the problem persists, replace the system board. Replace the system board. Replace the system board. 146 Troubleshooting