View source for Computers/Latitude E5540



We own a set of 11 Dell Latitude E5540 laptops.

They were purchased from ComputerCorps in Carson City on 14 September 2023 for $1250: nominally 10 for $125 each, with an extra laptop with a missing battery thrown in free of charge.
[[File:Latitude E5540 Right.jpg.jpg|thumb]]
[[File:Latitude E5540 Left.jpg.jpg|thumb]]
[[File:Latitude E5540 Front.jpg.jpg|thumb]]
{| class="wikitable"
|+
!Manufacturer
|Dell
|-
!Model
|Latitude E5540
|-
!Manufactured
|8 December 2014
|-
!RAM
|4 GB DDR3L 1600
1x 4 GB SODIMM, 1 slot open
|-
!CPU
|Intel [https://ark.intel.com/content/www/us/en/ark/products/81018/intel-core-i34030u-processor-3m-cache-1-90-ghz.html Core i3-4030U] 1.9 GHz 2 cores
|-
!Graphics
|Intel HD Graphics 4600
|-
!Storage
|64 GB SSD
|-
!Optical
|DVD+/-RW
|-
!Ports
|
HDMI (up to 3200x2000@60Hz)
<br>VGA
<br>2x USB 3.0 type A
<br>2x USB 2.0 type A
<br>10/100/1000 Ethernet
<br>3.5mm TRRS Headphone + Microphone
<br>SD Card
|-
!Display
|15.6", 1366x768, touch
|-
!Size
|14.92 x 9.86 x 1.32 in
|-
!Weight
|6.13 lbs
|}

== Firmware ==
While the Dell logo screen is displayed during boot:

* Press F2 to enter the setup utility
* Press F12 for a one-time boot menu

=== Firmware Update ===
We should periodically check [https://www.dell.com/support/home/en-us/product-support/product/latitude-e5540-laptop/drivers the Dell support site] for new BIOS updates. We're currently using version A24 from 4 December 2019.

To update the BIOS without Windows:

# Format a USB flash drive with a FAT32 file system
# Download the Windows EXE for the BIOS update from Dell and put it on the flashdrive
# Reboot the laptop, and on the Dell logo splash screen, press F12 to get to the boot menu
# Select "BIOS Flash Update" from the boot menu
# Click the "..." button to the right of "BIOS update file" and choose the EXE file
# Click "Begin Flash Update"

=== Firmware Setup ===
These settings are recorded for BIOS version A24. Press F2 at the boot logo screen to enter setup.

# Press the "Load Defaults" button
# General
## Boot Sequence
### Set "Boot List Option" to "UEFI"
### Use the "Delete Boot Option" button to remove any options other than the primary OS
### Press the "Apply" button
## Advanced Boot Options: uncheck "Enable Legacy Option ROMs"
# System Configuration
## Integrated NIC: set radio group to "Enabled"
## Parallel Port: set radio group to "Disabled"
## Serial Port: set radio group to "Disabled"
## SATA Operation: set radio group to "AHCI"
## Miscellaneous Devices
### Uncheck "Enable ExpressCard"
### Uncheck "Enable Hard Drive Free Fall Protection"
# Security
## Admin Password: set the admin password
## Password Change: uncheck "Allow Non-Admin Password Changes"
# Power Management
## Primary Battery Charge Configuration: set radio group to "Primarily AC Use"
# POST Behavior
## Fastboot: set radio group to "Minimal"