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Popular Dell Inspiron 3891 Manual Pages
Service Manual - Page 1
Inspiron 3891
Service Manual
Regulatory Model: D29M Regulatory Type: D29M004 March 2021 Rev. A00
Service Manual - Page 7
... as replacement parts or parts to be removed from sensitive parts before physically handling any hardware components ● ESD Packaging - Metal, static-shielded bags are typically installed in . Always place parts in anti-static bags for a large open flat work surface, and parts should always return the damaged part using an unmonitored kit, it is critical to each service...
Service Manual - Page 22
...service incident where the system board is replaced, or when the coin-cell battery is displayed prompting you to enter the BIOS and configure the date and time. Installing the coin-cell battery
Prerequisites If you note the BIOS setup program's settings before performing the installation process.
22
Removing and installing... "Invalid Configuration" error message is replaced an RTC reset ...
Service Manual - Page 58
... prompts you make your computer and press F2 immediately.
Moves to a specific device (for future reference. BIOS overview
The BIOS manages data flow between the computer's operating system and attached devices such as the user password, type of the System Setup options, changes that you to the previous field. Moves to the next...
Service Manual - Page 64
... will schedule a data wipe cycle for the admin password (if set .
Enable or disable changes to the System and Hard Disk passwords when an administrator password is selected
Admin Password System Password Internal HDD-0 Password Password Configuration
Password Change
UEFI Capsule Firmware Updates
Set, change, or delete the administrator password. Default: OFF
Data Wipe on the next...
Service Manual - Page 65
... the user to this setting will allow the OS to set .
Default: OFF
Lower Case Letter
Enforces password restriction that the password must contain at least one lower case letter.
Default: ON
Master Password Lockout Enable Master Password Lockout
Enables or disables master password support. Default: Enable Absolute
Admin Setup Lockout Master Password Lockout
Enable to prevent...
Service Manual - Page 66
... the BIOS Admin password (if set in the event of certain system errors. Default: ON
BIOSConnect BIOSConnect
Enables or disables cloud Service OS recovery if the main OS fails to boot within the number of the system firmware to recover from certain corrupted BIOS conditions from a recovery file on LAN/WLAN
66
System setup Table 13...
Service Manual - Page 69
Go to secure your computer. 6.
Select the operating system installed on the screen. Double-click the BIOS update file icon and follow the instructions on your computer.
You can create a system password and a setup password to www.dell.com/support. 3. CAUTION: The password features provide a basic level of your computer if it myself. 5.
About this task To enter the system...
Service Manual - Page 70
... Y to clear the admin and system password. 5. Deleting or changing an existing system setup password
For this code to generate the Master System password. The computer reboots. Dell customer support representative requires this computer, the password clear feature is generated by hashing the computer's service tag. Contact Dell customer support for receiving more assistance on your...
Service Manual - Page 71
... version. 5
Troubleshooting
Real-Time Clock (RTC Reset)
The Real Time Clock (RTC) reset function allows you release the power button. The system RTC Reset occurs after you or the service technician to recover Dell Inspiron, systems from or writes to AC power. Confirm that the memory module is installed properly. If problem persists, replace the system...
Service Manual - Page 74
...format the hard drive. If the message reappears, Contact Dell.
Table 21. If the hard drive is installed, properly seated, and partitioned as a boot device.
Run the System Set tests in Dell Diagnostics. If the problem persists, try again.
74
Troubleshooting Correct the settings for instructions (click Start > Help and Support). The keyboard controller may be malfunctioning, or...
Service Manual - Page 75
... information see Dell SupportAssist OS Recovery User's Guide at www.dell.com/support. 3. System error messages
System message
Description
Alert! CPU fan failure
CPU fan has failed. A parameter out of tools to its normal operating range.
Copy the BIOS setup program file to the operating system. If reseating the cable does not solve the problem, replace the keyboard...
Service Manual - Page 76
....dell.com/support. 3. Follow the instructions on the screen to flash the BIOS:
Steps 1. Follow these steps to complete the BIOS update. Turn on your computer. 2. Click Product support, enter the Service Tag of the BIOS for your computer model.
4.
After the download is complete, navigate to flash (update) the BIOS when an update is available or when you replace...
Setup and Specifications - Page 7
If not connected to a network for Windows updates. Locate and use Dell apps from the Windows Start menu-Recommended
Table 1. Set up , Dell recommends that you about installing and configuring Ubuntu, see the knowledge base articles SLN151664 and SLN151748 at www.dell.com/support. 6. Finish operating system setup. When setting up your computer
7 For more information about the warranty ...
Setup and Specifications - Page 20
... knowledge base articles for sales, technical support, or customer service issues, see www.dell.com/contactdell. www.dell.com/support/windows
www.dell.com/support/linux
Troubleshooting information, user manuals, setup instructions, www.dell.com/support product specifications, technical help blogs, drivers, software updates, and so on Dell products and services using your product ● Data...
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