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Fujitsu Lifebook T734 CPU Replacement

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  1. Fujitsu Lifebook T734 CPU Replacement, Preparation: passo 1, imagem 1 %32
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  2. Fujitsu Lifebook T734 CPU Replacement, The Removables: passo 2, imagem 1 %32 Fujitsu Lifebook T734 CPU Replacement, The Removables: passo 2, imagem 2 %32

    • First remove the battery... a little tricky. Slide and press at the same time,

    • Next let's slide out the ultrabay-ish CD drive. There's a little latch on the side of the CD drive. Pull it and it should slide out. (Take out your CD drive security screw if it is installed...)

    • Unscrew and remove: Pen, WWAN cover, cooling insert, Hard drive cage, Ram cover and ram. Lay all in a safe space for the upcoming challenge.

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  3. Fujitsu Lifebook T734 CPU Replacement, Remove the screws: passo 3, imagem 1 %32 Fujitsu Lifebook T734 CPU Replacement, Remove the screws: passo 3, imagem 2 %32 Fujitsu Lifebook T734 CPU Replacement, Remove the screws: passo 3, imagem 3 %32

    • Remove the 19 screws from the back panel.

    • Be sure to get the hidden screws where the CD drive was.

    • Now remove the back plastic guard. This is right behind the screen. Some careful spugging and the plastic should pop off.

    • Next remove the 3 screws uncovered by the rear guard.

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  4. Fujitsu Lifebook T734 CPU Replacement, Remove Keyboard: passo 4, imagem 1 %32 Fujitsu Lifebook T734 CPU Replacement, Remove Keyboard: passo 4, imagem 2 %32

    • Carefully pry up keyboard. Watch out for the keyboard/touchpad connector. After lifting the front of the keyboard off about 1/2 inches reach in and disconnect the cable.

    • Make sure to remove screw shown in step 6 before removal of keyboard.

    • Lift out keyboard/touchpad

    • Be careful when moving the screen without the back two screws in. Excess force may crack bottom cover.

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  6. Fujitsu Lifebook T734 CPU Replacement, Remove display assembly: passo 5, imagem 1 %32

    • Remove both display connectors. Be careful to flip up the latch before pulling on the cable.

    • Remove the WWAN and Wifi antennae cables.

    • Remove 2 screws holding the display assembly into the rear cover.

    • Remove display assembly and set aside.

    • Be sure to remove the ribbon cable connecting to the main board.

    • Connector delicate. May find removing the WWAN board helpful in removing cable.

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  7. Fujitsu Lifebook T734 CPU Replacement, Remove cables and daughter boards: passo 6, imagem 1 %32 Fujitsu Lifebook T734 CPU Replacement, Remove cables and daughter boards: passo 6, imagem 2 %32 Fujitsu Lifebook T734 CPU Replacement, Remove cables and daughter boards: passo 6, imagem 3 %32

    • Remove this screw before removing Keyboard and top cover... Oops

    • Remove this cable

    • Remove this cable. Tiny wire for tiny speakers...

    • Remove these screws and remove the expresscard board.

    • You don't have to remove this board, but it's so darn easy and helps I think.

    • Carefully lift up the tape around the hard drive cable. Remove cable and tape as required.

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  8. Fujitsu Lifebook T734 CPU Replacement, Remove VGA board: passo 7, imagem 1 %32

    • Remove the 2 hex standoffs on either side of the VGA port.

    • Disconnect/Snap off the VGA connector/board from the main board.

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  9. Fujitsu Lifebook T734 CPU Replacement, Remove motherboard: passo 8, imagem 1 %32 Fujitsu Lifebook T734 CPU Replacement, Remove motherboard: passo 8, imagem 2 %32

    • Motherboard is now free. Mostly

    • The power connected is attached under the motherboard. After loosening the board, lift it up enough to remove the power cable.

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  10. Fujitsu Lifebook T734 CPU Replacement, Motherboard and fan: passo 9, imagem 1 %32 Fujitsu Lifebook T734 CPU Replacement, Motherboard and fan: passo 9, imagem 2 %32 Fujitsu Lifebook T734 CPU Replacement, Motherboard and fan: passo 9, imagem 3 %32

    • Photos showing the motherboard

    • Cool fan grills. Oh, make sure to disconnect the power cable and undo the 2 screws holding the fan down.

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  11. Fujitsu Lifebook T734 CPU Replacement, Remove and replace the CPU: passo 10, imagem 1 %32 Fujitsu Lifebook T734 CPU Replacement, Remove and replace the CPU: passo 10, imagem 2 %32 Fujitsu Lifebook T734 CPU Replacement, Remove and replace the CPU: passo 10, imagem 3 %32

    • Loosen the 3 screws holding the head sink onto the cpu socket. Common practice is to remove and replace the thermal paste.

    • You can install any G3 socket no more than 37 watt cpu.

    • With a i7-4712MQ after 7 min of adia 64 stress test I saw max temperature of 85 C with no cpu throttling.

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Conclusão

To reassemble your device, follow these instructions in reverse order.

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Daniel Grohol

Membro desde: 04/24/16

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4 comentários

Is it really 37 watt CPU only? Has anyone tested higher?

s h - Responder

Yes the 4712mq is a 37W part. As is the 4702mq. I would look at the forum thread in the description. But from memory I don't think anyone else has tried the 45W part. Physically you might be able to do it. (Board power delivery not with standing)

The cooling solution is only designed for 35W. Adding a full fat 45W skew would probably lead to throttling under load and/or uncomfortable temperatures on the bottom cover near the vent.

Daniel Grohol - Responder

You didn't have to remove the LCD to remove the system board, but very good disassemble notes

Kenya Joyner - Responder

It's for the wifi card. I don't know if the BIOS would support booting from that slot. It's worth a try. When I had this laptop I ran it with a 2.5" SATA SSD and that worked fine.

Daniel Grohol - Responder

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