Service Manual
Table Of Contents
- Precision 3460 Small Form Factor Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Precision 3460 Small Form Factor
- Side cover
- Front bezel
- Hard drive
- Hard-drive and optical-drive bracket
- M.2 solid-state drive
- Removing the M.2 2230 solid-state drive (slot-1)
- Installing the M.2 2230 solid-state drive (slot-1)
- Removing the M.2 2230 solid-state drive (slot-2)
- Installing the M.2 2230 solid-state drive (slot-2)
- Removing the M.2 2280 solid-state drive (slot-1)
- Installing the M.2 2280 solid-state drive (slot-1)
- Removing the M.2 2280 solid-state drive (slot-3)
- Installing the M.2 2280 solid-state drive (slot-3)
- WLAN card
- WLAN antenna
- Coin-cell battery
- Memory
- Hard-drive and optical-drive supporting bracket
- Expansion card
- Optical drive
- Speakers
- Processor fan and heat-sink assembly
- Processor
- Power-supply unit
- Fan
- Power button
- Intrusion switch
- SD-card reader
- Optional I/O modules (PS2/Serial)
- System board
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell
Table 21. Diagnostic LED behavior (continued)
Blinking pattern
Problem description Suggested resolutionAmber White
3 5 Power rail failure
● EC ran into power
sequencing failure.
● If problem persists,
replace the system board.
3 6 SBIOS Flash corruption
● Flash corruption detected
by SBIOS
● If problem persists,
replace the system board.
3 7 Intel ME (Management
Engine) Error
● Timeout waiting on ME to
reply to HECI message
● If problem persists,
replace the system board.
4 2 CPU Power Cable Connection
Issue
Recovering the operating system
When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell
SupportAssist OS Recovery.
Dell SupportAssist OS Recovery is a standalone tool that is preinstalled in all Dell computers installed with Windows operating
system. It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating
system. It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its
factory state.
You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their
primary operating system due to software or hardware failures.
For more information about the Dell SupportAssist OS Recovery, see Dell SupportAssist OS Recovery User's Guide at
www.dell.com/serviceabilitytools. Click SupportAssist and then, click SupportAssist OS Recovery.
Updating the BIOS in Windows
Steps
1. Go to www.dell.com/support.
2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search.
NOTE:
If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You
can also use the product ID or manually browse for your computer model.
3. Click Drivers & Downloads. Expand Find drivers.
4. Select the operating system installed on your computer.
5. In the Category drop-down list, select BIOS.
6. Select the latest version of BIOS, and click Download to download the BIOS file for your computer.
7. After the download is complete, browse the folder where you saved the BIOS update file.
8. Double-click the BIOS update file icon and follow the on-screen instructions.
For more information, see knowledge base article 000124211 at www.dell.com/support.
96
Troubleshooting