Dell Latitude E5440: Difference between revisions
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{{WikipediaInfoAlt| | {{WikipediaInfoAlt|Dell Latitude}} | ||
{{DeviceAlerts}} | {{DeviceAlerts}} | ||
{{InfoboxDevice | {{InfoboxDevice | ||
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|Batteries = Yes, Can be equipped with a 4, 6, or 9 cell Lithium-Ion Battery Back, as well as a proprietary Lithium CMOS battery. | |Batteries = Yes, Can be equipped with a 4, 6, or 9 cell Lithium-Ion Battery Back, as well as a proprietary Lithium CMOS battery. | ||
|Destructive Entry = No | |Destructive Entry = No | ||
}} | |Memory=two SoDIMM slots|Sound=Realtek ALC3226}} | ||
The [[wikipedia:Dell_Latitude#Exx40_Models_(2013/2014)|Dell Latitude E5440]] is a businesses-focused 14" laptop computer released in 2014 featuring [[wikipedia:Haswell_(microarchitecture)|Intel Haswell]] Processors. | The [[wikipedia:Dell_Latitude#Exx40_Models_(2013/2014)|Dell Latitude E5440]] is a businesses-focused 14" laptop computer released in 2014 featuring [[wikipedia:Haswell_(microarchitecture)|Intel Haswell]] Processors. | ||
==Known Issues== | ==Known Issues== | ||
===When power button is pressed when device is plugged into the charger, the power light comes on for 5-10 seconds, and then the machine shuts off with no other signs of life. === | ===When power button is pressed when device is plugged into the charger, the power light comes on for 5-10 seconds, and then the machine shuts off with no other signs of life. === | ||
====Causes==== | ====Causes==== | ||
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*Remove the main and CMOS batteries and wait several hours. Then connect only the charger and power on the device. | *Remove the main and CMOS batteries and wait several hours. Then connect only the charger and power on the device. | ||
*Replace the CMOS battery. | *Replace the CMOS battery. | ||
==Disassembly Notes== | ==Disassembly Notes== | ||
* Make sure the main battery pack is removed from the device before disassembly to prevent damage to the device. | * Make sure the main battery pack is removed from the device before disassembly to prevent damage to the device. | ||
* Follow all EDS protection procedures as necessary to prevent damage to the device. These procedures include but are not limited to avoiding walking on carpet and regularly touching a metallic surface that is known to have a good connection to ground, or alternatively wearing an ESD strap which has a good connection to ground. | * Follow all EDS protection procedures as necessary to prevent damage to the device. These procedures include but are not limited to avoiding walking on carpet and regularly touching a metallic surface that is known to have a good connection to ground, or alternatively wearing an ESD strap which has a good connection to ground. | ||
* When all batteries are disconnected for 30 seconds or more, all BIOS/Firmware settings are erased. Depending on your configuration, this could cause the OS to no longer boot. It is recommended to make note of any important settings if possible before removing all batteries. | * When all batteries are disconnected for 30 seconds or more, all BIOS/Firmware settings are erased. Depending on your configuration, this could cause the OS to no longer boot. It is recommended to make note of any important settings if possible before removing all batteries. | ||
==Original Parts== | ==Original Parts== | ||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
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|Unknown | |Unknown | ||
|} | |} | ||
==Replacement Parts== | ==Replacement Parts== | ||
===Please refer to the "Original Parts" section for information you can use to find genuine replacement parts, as sources for replacements vary in availability. === | ===Please refer to the "Original Parts" section for information you can use to find genuine replacement parts, as sources for replacements vary in availability. === | ||
==Related Links== | ==Related Links== | ||
*[https://www.youtube.com Videos or other things that might be helpful to check out] | *[https://www.youtube.com Videos or other things that might be helpful to check out] | ||
*[https://www.dell.com/support/manuals/nl-nl/latitude-e5440-laptop/delllatitudee5440_om-v2/specifications?guid=guid-fa08d88f-67d7-4277-a7b9-d872f106a82b&lang=en-us Owners manual] | |||
==References== | ==References== | ||
<references /> | <references /> | ||
[[Category:2010s]] | |||
[[Category:Computer]] | |||
[[Category:Laptop]] | |||
Latest revision as of 21:32, 3 April 2023
- For more information, see this article's corresponding Wikipedia page: Dell Latitude.
Dell Latitude E5440
| Preliminary Information | |
|---|---|
| Release Year | 2014 |
| Leak Risk | Unknown |
| Batteries | Yes, Can be equipped with a 4, 6, or 9 cell Lithium-Ion Battery Back, as well as a proprietary Lithium CMOS battery. |
| Mounting Technology | Through Hole, SMD, BGA, Sockets |
| Capacitor Types | Unknown |
| Destructive Entry | No |
| Hardware Specifications | |
| Memory Capacity | two SoDIMM slots |
| Sound | Realtek ALC3226 |
The Dell Latitude E5440 is a businesses-focused 14" laptop computer released in 2014 featuring Intel Haswell Processors.
Known Issues
When power button is pressed when device is plugged into the charger, the power light comes on for 5-10 seconds, and then the machine shuts off with no other signs of life.
Causes
- Using an underrated power adapter when the main battery is dead.
- Attempting to power on the device when the main battery is dead without a charger connected properly.
- Attempting to power on the machine with bad/missing memory.
- Due to a possible design flaw [1] with this laptop, a CMOS battery with a low voltage can cause this issue. The CMOS battery does not have to be completely dead for this issue to occur.
- General motherboard failure.
Solutions
- Charge the device with a 65W genuine Dell charger (90W if your model has a dedicated graphics card).
- Re-seat/Replace the memory.
- Remove the main and CMOS batteries and wait several hours. Then connect only the charger and power on the device.
- Replace the CMOS battery.
Disassembly Notes
- Make sure the main battery pack is removed from the device before disassembly to prevent damage to the device.
- Follow all EDS protection procedures as necessary to prevent damage to the device. These procedures include but are not limited to avoiding walking on carpet and regularly touching a metallic surface that is known to have a good connection to ground, or alternatively wearing an ESD strap which has a good connection to ground.
- When all batteries are disconnected for 30 seconds or more, all BIOS/Firmware settings are erased. Depending on your configuration, this could cause the OS to no longer boot. It is recommended to make note of any important settings if possible before removing all batteries.
Original Parts
| Part | Qty | Location | Specifications | Dell P/Ns |
|---|---|---|---|---|
| CMOS Battery | 1 | Bottom right corner under the bottom access panel | CR2032 with 2-Pin Connector; 3V - 220 mAh | C8KT2 |
| Main Battery | 1 | Top of laptop accessible externally from the bottom | 11.1V Lithium-Ion in 4, 6, and 9 cell configurations (40, 65, and 90 Wh respectively) | FJTXY CXF66 WGCW6 NVWGM M7T5F Y6KM7 45HHN |
| Memory | 2 | Bottom center under the bottom access panel | 2x DDR3L SDRAM SODIMM Modules at 1600MHz (PC3L-12800U) | Unknown |