Precision 5540 Service Manual Regulatory Model: P56F Regulatory Type: P56F003 May 2020 Rev.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents 1 Working on your computer............................................................................................................ 5 Safety instructions................................................................................................................................................................ 5 Before working inside your computer........................................................................................................................... 5 Safety precautions.....
Palm rest.........................................................................................................................................................................45 5 Troubleshooting......................................................................................................................... 48 Enhanced Pre-Boot System Assessment — ePSA diagnostics................................................................................... 48 Running the ePSA Diagnostics....................
1 Working on your computer Safety instructions Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that the following conditions exist: • • You have read the safety information that shipped with your computer. A component can be replaced or, if purchased separately, installed by performing the removal procedure in reverse order.
CAUTION: To guard against electrical shock unplug your computer from the electrical outlet before performing Step # 8. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface at the same time as touching a connector on the back of the computer. 8. Remove any installed ExpressCards or Smart Cards from the appropriate slots.
• • When unpacking a static-sensitive component from its shipping carton, do not remove the component from the anti-static packing material until you are ready to install the component. Before unwrapping the anti-static packaging, ensure that you discharge static electricity from your body. Before transporting a static-sensitive component, place it in an anti-static container or packaging. ESD field service kit The unmonitored Field Service kit is the most commonly used service kit.
CAUTION: Do not lift greater than 50 pounds. Always obtain additional resources or use a mechanical lifting device. 1. 2. 3. 4. 5. Get a firm balanced footing. Keep your feet apart for a stable base, and point your toes out. Tighten stomach muscles. Abdominal muscles support your spine when you lift, offsetting the force of the load. Lift with your legs, not your back. Keep the load close. The closer it is to your spine, the less force it exerts on your back.
2 Technology and components This chapter details the technology and components available in the system. Topics: • • • • • • • • • • • Power supply specifications Power adapter Video specifications Audio specifications Memory Display specifications Keyboard specifications Battery Storage specifications USB Type-C USB features Power supply specifications Table 1. Power supply Features Specification Input Voltage 100 – 240 VAC Input frequency 50 – 60 Hz Type 130 W AC Adapter Power adapter Table 2.
Video specifications Table 3. Video Controller Type CPU Dependency Graphics memory type Capacity External display support Integrated Intel UHD 630 GFX Intel HD GFX Integrated Shared system memory HDMI 2.0 Nvidia Quadro T1000 w/4GB GDDR5 Discrete Intel Xeon E-2276M GDDR5 4 GB HDMI 2.0 Nvidia Quadro T2000 w/4GB GDDR5 Discrete Intel Xeon E-2276M GDDR5 4 GB HDMI 2.0 Audio specifications Table 4.
Display specifications Table 6. Display specifications Features Specification Type • UltraSharp FHD IGZO4, 1920x1080, AG, NT, W/Prem Panel Guar, 100% sRGB color gamut, Titan Gray. UltraSharp FHD IGZO4, 1920x1080, AG, NT, w/Prem Panel Guar, 100% sRGB color gamut, Platinum Silver. 15.6" Ultrasharp UHD IGZO4, 3840x2160, Touch, w/Prem Panel Guar, 100% Adobe color gamut, Titan Gray. 15.6" Ultrasharp UHD IGZO4, 3840x2160, Touch, w/Prem Panel Guar, 100% Adobe color gamut, Platinum Silver. • • 15.
Table 6. Display specifications(continued) Features Specification Power consumption (max) • • • • 4.22 W (FHD 100% sRGB color gamut ) 9.23 W (UHD Adobe 100% color gamut) 4.3 W (OLED UHD 100% color gamut, Titan Gray) 14.8 (OLED UHD 100% color gamut, Platinum Silver) Keyboard specifications Table 7. Keyboard specifications Features Specification Number of keys • • • Size Full sized • • 80 (U.S. and Canada) 81 (Europe) 84 (Japan) X= 19.05 mm key pitch Y= 18.
Table 8. Battery specifications(continued) Features Specifications Charging time when the computer is off (approximate) 4 hours Operating time Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions Temperature range: Operating 0°C to 35°C (32°F to 95°F) Temperature range: Storage -40°C to 65°C (-40°F to 149°F) Coin-cell battery ML1220 Storage specifications NOTE: The 2.
USB Power Delivery The USB PD specification is also closely intertwined with USB Type-C. Currently, smartphones, tablets, and other mobile devices often use a USB connection to charge. A USB 2.0 connection provides up to 2.5 watts of power — that'll charge your phone, but that's about it. A laptop might require up to 60 watts, for example. The USB Power Delivery specification ups this power delivery to 100 watts. It's bidirectional, so a device can either send or receive power.
Speed Currently, there are 3 speed modes defined by the latest USB 3.0/USB 3.1 Gen 1 specification. They are Super-Speed, Hi-Speed and FullSpeed. The new SuperSpeed mode has a transfer rate of 4.8Gbps. While the specification retains Hi-Speed, and Full-Speed USB mode, commonly known as USB 2.0 and 1.1 respectively, the slower modes still operate at 480Mbps and 12Mbps respectively and are kept to maintain backward compatibility. USB 3.0/USB 3.
Compatibility The good news is that USB 3.0/USB 3.1 Gen 1 has been carefully planned from the start to peacefully co-exist with USB 2.0. First of all, while USB 3.0/USB 3.1 Gen 1 specifies new physical connections and thus new cables to take advantage of the higher speed capability of the new protocol, the connector itself remains the same rectangular shape with the four USB 2.0 contacts in the exact same location as before.
3 Major components of your system 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15.
NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options.
4 Disassembly and reassembly Disassembly and reassembly Base cover Installing the Base Cover 1. Place the base cover on the computer and snap it in place. 2. Tighten the M2x3 T5 (10), M2x8 (2) screws to secure the base cover to the computer. NOTE: Ensure you use a Torx #5 screwdriver for the base screws and a Philips screwdriver for the two M2x8 system badge screws. 3. Turn the system badge flap over and snap it in place. 4. Follow the procedures in After Working Inside Your Computer.
Battery Lithium-ion battery precautions CAUTION: • Exercise caution when handling Lithium-ion batteries. • Discharge the battery as much as possible before removing it from the system. This can be done by disconnecting the AC adapter from the system to allow the battery to drain. • Do not crush, drop, mutilate, or penetrate the battery with foreign objects. • Do not expose the battery to high temperatures, or disassemble battery packs and cells.
• Do not bend • Do not use tools of any kind to pry on or against the battery • If a battery cannot be removed within the constraints above, please contact Dell technical support Installing the Battery 1. 2. 3. 4. 5. Place and align the battery in the battery bay. Tighten the M2x4 (7) screws that secure the battery to the computer. Connect the battery cable to the system board. Install the base cover. Follow the procedures in After Working Inside Your Computer.
5. Pull the SSD card thermal pad to access the bare SSD card. Installing M.2 Solid State Drive -SSD 1. Adhere the thermal pad to the M.2 solid-state drive. NOTE: The thermal pad is applicable only for a PCIe SSD card. 2. Slide the M.2 solid-state drive at an angle into the solid-state drive slot. 3. Press the other end of the solid-state drive down and replace the M2x3 (1) screw that secures the solid-state drive to the system board. 4. Install the: a. battery b. base cover 5.
Hard drive Removing 2.5 inch Hard Drive -optional 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a. base cover b. battery NOTE: System shipped with 3-Cell battery, the hard drive will be part of the configuration (Optional). 3. Perform the following steps to remove the hard-drive bracket from the computer: a. Remove the M2x4 (4) screws securing the hard-drive bracket to the computer [1]. b. Lift the hard-drive cage [2] off the hard drive assembly [3]. 4.
Installing the Hard Drive -optional 1. 2. 3. 4. 5. 6. 7. Replace the hard-drive covers on the hard drive. Connect the hard-drive interposer to the hard-drive assembly. Place the hard-drive assembly on the palm-rest assembly. Connect the hard-drive cable to the system board. Align the screw holes on the hard-drive cage with the screw holes on the hard-drive assembly. Replace the M2x4 (4) screws that secure the hard-drive cage to the palm-rest assembly. Install the: a. battery b. base cover 8.
Installing the Speakers 1. 2. 3. 4. 5. Using the alignment posts, place the speakers on the palm-rest assembly. Replace the M2x2 (4) screws that secure the speakers to the palm-rest assembly. Route the speaker cables through the routing guides on the palm-rest assembly. Connect the speaker cable to the system board. Install the: a. battery b. base cover 6. Follow the procedures in After Working Inside Your Computer. WLAN card Removing the WLAN Card 1.
Installing the WLAN Card 1. Align the notch on the WLAN card with the tab on the WLAN-card connector on the system board. 2. Align the bracket which secures the WLAN card to the palmrest assembly. 3. Connect the antenna cables to the WLAN card. CAUTION: To avoid damage to the WLAN card, do not place any cables under it. NOTE: The color of the antenna cables is visible near the tip of the cables. The antenna-cable color scheme for the WLAN card supported by your computer is as follows: Table 11.
b. battery 3. Pry the securing clips away from the memory module until it pops-up [1]. Then, remove the memory module from its connector on the system board [2]. Installing the Memory Modules 1. Insert the memory module into the memory socket. 2. Press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and re-install it. 3. Install the: a. Battery b. Base cover 4. Follow the procedures in After Working Inside Your Computer.
4. Perform the following steps to remove the right system fan: a. Remove the M2x4 (2) screws and lift the metal bracket that holds the left video-card fan to the system board [1]. b. Lift the metal bracket that secures the DisplayPort over Type-C [2].
c. d. e. f. g. Disconnect the display cable from the system board [1]. Un-route the display cable from the restraints [2] Disconnect the system fan cable from the system board [3]. Remove the M2x4 (2) screws that secure the system fan to the system board [4]. Lift the fan away from the laptop [5].
Installing the Fans 1. Perform the following steps to install the system fan: a. b. c. d. e. f. g. h. i. j. k. Align the screw holes on the left fan with the screw holes on the palm-rest assembly. Connect the left fan cable to the system board. Route the display cable through the routing guides on the left fan. Replace the M2x4 (2) screws that secure the left fan to the system board. Align the right fan to the system board. Route the touch-screen cable through the routing guides on the right fan.
NOTE: The Heatsink removal screw may vary depending upon the type of Heatsink installed. a. base cover b. battery 3. Remove the M2x3 (5) screws that secure the heatsink to the system board. NOTE: Ensure to remove the screws in the order (1,2,3,4,5). See the printed image number order on the top of heatsink. 4. Lift the heatsink away from the system board [2]. Installing the Heatsink 1. Align the heatsink with the screw holes on the system board. 2.
b. Remove the M2x3 screw that secures the DC-in connector to the computer [2]. c. Lift the DC-in connector from the computer [3]. Installing the DC-in Adapter Port 1. 2. 3. 4. 5. Place the DC-in adapter port into the slot on the palm-rest assembly. Route the power-adapter port cable through its routing guides on the palm-rest assembly. Replace the M2x3 screw that secures the power-adapter port to the palm-rest assembly. Connect the power-adapter port cable to the system board. Install the: a. Battery b.
c. d. e. f. g. Disconnect the power connector port cable from the system board [3]. Disconnect the speaker cable from the connector from the system board [4]. Peel the adhesive tape and lift the latch to remove the fingerprint cable [5] Lift the plastic lever and disconnect the display touchscreen cable [6] Peel the adhesive tape to release the touch screen cable. 4. Perform the following steps to remove the system board from the chassis: a.
Installing the System Board 1. Align the system board on the computer. 2. Replace the M2x4 (4) screws that secure the system board to the palm-rest assembly. 3. Connect the power-adapter port cable, speaker cable, keyboard-control board cable, touchpad cable, and touch-screen cable to the system board. 4. Connect the display cable to the system board. 5. Align the display-cable bracket with the screw hole on the system board and replace the screw (2). 6. Install the: a. Memory b. SSD c. Keyboard d.
b. battery c. WLAN card d. hard drive e. fans f. heatsink assembly g. memory modules h. system board 3. Perform the following steps to remove the audio board: a. Turn the system board over. b. Remove the M2x3 (2) screws that secure the audio board to the system board [1]. c. Lift up the audio board [2]. Installing audio board 1. 2. 3. 4. Align the audio port in the slot of the system board. Replace the M2x3 (2) screws to secure the audio board to the system board. Turn the system board over.
Coin-cell battery Removing the Coin-Cell Battery 1. Follow the procedures in Before Working Inside Your Computer. CAUTION: Removing the coin-cell battery re-sets the BIOS settings to default. It is recommended that you note the BIOS settings before removing the coin-cell battery. 2. Remove the: a. base cover b. battery c. WLAN card d. hard drive e. fans f. heatsink assembly g. memory modules h. system board 3. Perform the following steps to remove the coin-cell battery: a. Turn the system board over. b.
a. System Board b. Memory c. Heatsink assembly d. Fans e. Hard drive f. WLAN card g. Battery h. Base cover 5. Follow the procedures in After Working Inside Your Computer. Power button Removing power button 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a. base cover b. battery c. System board 3. Perform the following steps to remove the power button: NOTE: There are two power button options: • Power button function with light indicator.
Installing power button 1. Align the power button into the slot on the system chassis. 2. Replace the M1.6x3 (2) screws that secure the power button to the system board. 3. Install the: a. Battery b. Base cover 4. Follow the procedures in After Working Inside Your Computer. Power button with fingerprint reader -optional Removing power button with fingerprint reader 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a. base cover b. battery 3.
Installing power button with fingerprint reader 1. Place the power button into the slot on the system chassis. NOTE: There are two power button options: 2. 3. 4. 5. 6. • Power button function with light indicator. • Power button with fingerprint reader function without light indicator (optional). Connect the adhesive data cable to the system chassis . Replace the M2x3 screw that secures the power button board to the system chassis.
a. base cover b. battery 3. Perform the following steps: a. b. c. d. e. f. Release the Mylar tape that secures the display cable to the system board [1]. Lift the latch and disconnect the display cable from the connector on the system board [2]. Release the Mylar tape that secures the display cable to the system board [3]. Remove the M2x4 (2) screws and lift the metal bracket that holds the left video-card fan to the system board [4].
Installing the Display Assembly 1. 2. 3. 4. 5. 6. 7. Place the palm-rest assembly at the edge of the table with the speakers facing away from the edge. Align the screw holes on the palm-rest assembly with the screw holes on the display hinges. Replace the M2.5 x 5 (6) screws that secure the display hinges to the palm-rest assembly. Route thetouchscreen cable through the routing guides on the fan. Connect thetouchscreen cable and display cable to the system board.
3. Gently place the system on a flat surface . 4. Rotate the hinges to angle 45° to release the antenna cable. 5. Slide and lift the antenna cover away from the display assembly. 6. To remove the antenna module: a. Remove the copper tapes that secure the antenna module [1]. b. Remove the M2x4 (4) screws and lift the metal brackets that secure the antenna cable [2,3].
Installing the antenna cover 1. Replace the antenna cover on the display assembly. 2. Turn the display hinges to the normal position. 3. Install the: a. Display assembly b. WLAN card c. Battery d. Base cover 4. Follow the procedures in After Working Inside Your Computer. Keyboard lattice and Keyboard Removing the Keyboard 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a. base cover b. battery c. fans d. heatsink assembly e. SSD f. memory modules g. system board 3.
4. Un-route the Keyboard cable [1] and then remove the M1.6 x 1.5 (31) screws that secure the keyboard to the computer [2]. 5. Disconnect the cable from the connector on the system board. 6. Remove the screw (2) that secures the keyboard pad to the system board. 7. Lift and remove the keyboard from the system chassis.
Installing the Keyboard 1. 2. 3. 4. 5. 6. Adhere the Mylar to the keyboard. Align the screw holes on the keyboard with the screw holes on the palm-rest assembly. Replace the M1.6 x 1.5 (31) screws that secure the keyboard to the palm-rest assembly. Adhere the Mylar to the screws that secure the keyboard to the palm-rest assembly. Connect the keyboard cable and keyboard-backlight cable to the keyboard-controls board. Install the: a. System Board b. Hard drive c. Base cover 7.
i. system board j. display assembly k. power connector port l. keyboard 3. After performing the above steps, we are left with the palm rest assembly. Figure 1.
Figure 2. Fingerprint reader function without light indicator Installing the Palm rest Assembly 1. 2. 3. 4. Align the palm rest assembly on the display assembly. Tighten the screws to secure the display hinges to the palm rest assembly. Press down on the palm rest assembly to close the display. Install the: a. keyboard b. system board c. power connector port d. display assembly e. fans f. heatsink assembly g. speakers h. WLAN card i. hard drive(optional) j. memory modules k. battery l. base cover 5.
5 Troubleshooting Enhanced Pre-Boot System Assessment — ePSA diagnostics The ePSA diagnostics (also known as system diagnostics) performs a complete check of your hardware. The ePSA is embedded with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to: The ePSA diagnostics can be initiated by the FN+PWR buttons while powering on the computer.
6 Getting help Topics: • Contacting Dell Contacting Dell NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: 1. 2. 3. 4. Go to Dell.com/support.
