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Introduction
If the computer may start to boot but then shuts down, increased Windows errors or 'blue screens of death” the computer may freeze for seemingly no reason, or connected devices that worked before suddenly won’t work, replace the motherboard on the HP EliteBook 840 G1
- T8 Torx Security Bit Screwdriver
- Anti-Static Wrist Strap
- Phillips #1 Screwdriver
- iFixit Opening Tools
No parts specified.
Working on your device while it is turned on may result in electric shock. Make sure to shut down and unplug your device before you begin.
Flip device over so that the bottom panel is facing upwards.
Slide the latch, to the right.
Slide the cover upwards to remove it.
Once the cover is removed you will be able to see the battery and the two latches that hold it in place.
The two latches should be pulled back, one of which is spring loaded and must be held in place in order to remove the battery.
Lift up and remove the battery.
Battery should easily be lifted up and out.
Identify the RAM and the pull tabs that will be used in the next step.
Always use an anti-static wrist strap when working on a computer.
Pull back the two tabs on either side of the RAM this will allow the RAM to be removed.
When handling a memory module, use care to prevent touching the memory chips on the board. Touching the memory chips could damage or destroy the memory.
Pull the RAM stick gently out and up once the tabs have been pulled to the side.
Loosen the four Phillips screws securing the hard drive.
These screws will stay captive to the plastic hard drive bracket.
Grab the pull tab on the hard drives plastic casing and pull it out and to the side.
Make sure all screws have been properly loosened and are no longer connected at the bottom before doing this step.
Remove the 2.5' hard drive from the plastic bracket.
In order to take out the fan and heatsink the plastic cover must first be taken off.
Remove the eight 2 mm Phillips #1 screws.
Remove SD card by sliding it out.
Remove the thirteen 6 mm Torx T8 screws.
Some screws have plastic covers over them that need to be pried out before the screws can be removed.
Remove the single 7 mm Phillips #1 screw.
Loosen the two Phillips #1 screws. These screws will remain captive to the device.
Using the plastic opening tools, remove the plastic cover by beginning at one of the corners and prying it up.
Use the plastic opening tools to remove the keyboard, starting at one of the top corners. You need to lift the top side and then takeing it out moving the keyboard towards the screen.
Once the keyboard is removed, detach the ribbons connecting the keyboard to the laptop by prying the small tab and sliding the ribbon out.
Loosen the six Phillips #1 screws. These will remain captive to the heatsink.
Use the plastic opening tools to remove the tape covering the wires connected from the fan to the motherboard.
Disconnect the fan by sliding the wire out.
Remove the fan by lifting it up and sliding it out.
Remove the heat sink by lifting it up and sliding it out.
Disconnect the two antenna cables.
They are labeled as 1 and 2 and should go back to the same place when put back.
Remove the single 3 mm Phillips #1 screw securing the wireless card.
Remove the three 4 mm Phillips #1 screws.
Remove the single 2 mm Phillips #1 screw.
Remove both ribbons marked.
Before removing the ribbon pry the small black tabs that seat them.
Pry the grey plastic tab from the orange tab to free it.
Repeat for the clear plastic tab.
Disconnect the cables by taking off the tape and getting them out from under the plastic.
Remove ribbon cable connected to the motherboard.
Before removing ribbon pry the small white tab that seats the ribbon.
Disconnect plastic port.
Remove black tape near the edge of the motherboard.
The motherboard can now be lifted up easily, if any snagging occurs make sure everything was disconnected properly before continuing.
When reassembly ensure nothing is stuck under the motherboard.
To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Why Used?
Adorama sells high quality used equipment that is physically examined before we purchase it for resale. Each product is rated by condition and includes the basic components needed for operation. Weekday orders for used items placed by 1:00 PM EST generally ship the same day. All used goods come with a 90 day Adorama warranty. To ensure your satisfaction, any used equipment can be returned within 30 days of purchase, no questions asked!
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- Keith M Impressively thin and light, the HP EliteBook 840 empowers users to create, connect and collaborate, using enterprise-class performance technology that helps keep you productive in and out of the office. Ideal for mobile professionals needing best-in-class, business rugged notebooks with enhanced system and graphic performance in a managed-IT environment. Windows 7 Professional 64 (available through downgrade rights from Windows 10 Pro 64).
• Power through your day with Windows 10 Pro and the powerful, sleek, thin and light HP EliteBook 840
• HP Sure Start with Dynamic Protection checks your BIOS every 15 minutes to detect attacks and corruption then self-heals the BIOS automatically
• Enjoy a remarkable balance of comfort and feedback with the HP Premium Keyboard engineered for accuracy
• Stand up to the workload with an EliteBook that passed MIL-STD 810G testing
• Experience the difference with HP Clear Sound AMP and the HP EliteBook 840 speakers
• Suppress background noise including keyboard clicks with HP Noise Reduction Software
Portable powerhouse
Combine high performance technology and long battery life with Windows Pro, 6th Gen Intel Core processors and a PCIe Gen3 SSD.
Slim new design with all the right ports
Connect to essential ports without the hassle of dongles. At just 18.9mm, the ultra slim and light HP EliteBook 840 comes with VGA, Display Port, RJ-45, USB, USB-C and enterprise docking capabilities.
Security inside and out
HP helps protect you from malware and visual hacking. HP Sure Start with Dynamic Protection protects against BIOS attacks.
Designed for collaboration
Replace your speaker phone with the HP EliteBook 840 with Audio by Bang & Olufsen plus HP Noise Reduction Software that provides a rich collaboration experience for applications like Skype for Business.