Bios Recovery Using Usb Key; Self-Heal; Course Introduction - Dell Latitude 5420 Rugged Service Manual

NOTE:
a. If the hard drive is new, there will be no OS installed.
b. If the hard drive has been partitioned at the Dell factory, there will be a Recovery Partition available.
3. Disconnect the hard drive and install the hard drive into another system that has a full operational OS.
4. Start up the system and in the Microsoft Windows OS environment follow these steps to copy the BIOS recovery file to the
Recovery Partition.
a) Open a Windows Command Prompt window.
b) At the prompt, type diskpart to start the Microsoft DiskPart.
c) At the prompt, type list disk to list out the available hard drives.
Select the hard drive that was installed in Step 3.
d) At the prompt, type list partition to view the available partitions on this hard drive.
e) Select Partition 1 which is the Recovery Partition. The size of the partition will be 39 MB.
f) At the prompt, type set id=07 to set the partition ID.
NOTE: The partition will be visible to the OS as Local Disk (E) to read and write data.
g) Create the following folders in Local Disk (E), E:\EFI\Dell\BIOS\Recovery.
h) Copy both the BIOS files BIOS_CUR.rcv and BIOS_PRE.rcv to the recovery folder on Local Disk (E).
i) In the Command Prompt window, at the DISKPART prompt, type set id=DE.
After the executing this command, the partition Local Disk (E) will not be accessible by the OS.
5. Shut the system down and remove the hard drive and install the hard drive into the original system.
6. Start the system up and boot to System Setup, in the Maintenance section ensure that BIOS Recovery from Hard Drive is
enabled in the BIOS Recovery section of the setup.
7. Press the power button to shut the system down.
8. Holding the Ctrl and Esc keys, press the power button to start the system up. Keep holding the Ctrl and Esc keys until the BIOS
Recovery Menu page is displayed.
Ensure that the Recover BIOS radio button is selected and click Continue to start the BIOS recovery.

BIOS recovery using USB key

NOTE: Ensure that you have the file type extensions visible in the operating system.
NOTE: Ensure that you have downloaded the latest BIOS from the Dell support site and save it on your system.
1. Browse to the location of the downloaded BIOS update executable (.exe) file.
2. Rename the file to BIOS_IMG.rcv.
For example, if the file name is PowerEdge_T30_0.0.5.exe, rename it to BIOS_IMG.rcv
3. Copy the BIOS_IMG.rcv file to the root directory of the USB key.
4. If not plugged in, plug in the USB key, restart the system, press F2 to enter the System Setup, and then press power button to shut
down the system.
5. Start the system.
6. While the system is starting up, press the Ctrl+Esc keys while holding the power button until the BIOS Recovery Menu dialog box is
displayed.
7. Click Continue to start the BIOS recovery process.
NOTE: Ensure that the Recovery BIOS option is selected in the BIOS Recovery Menu dialog box.
8. Select the path on the USB drive where BIOS recovery file is stored( root directory or "\") and follow the on-screen instructions.

Self-Heal

Course Introduction

Self-Heal is an option that helps recover a Dell Latitude system from a No Post, No Power, No Video situation.
156 Diagnostics