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O que você precisa
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Power down the laptop. Flip it over and remove only the indicated screws.
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Remove the cover for the memory compartment. Then remove the indicated screw hidden under the cover.
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Remove the cover for the hard drive compartment. Remove the hard drive. Then remove the indicated screw hidden under the hard drive.
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Remove the optical drive by pulling on it while holding the middle sliding lever. Then remove the indicated screw hidden under the optical drive, at the edge of the laptop.
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Open the laptop all the way. Remove the plastic trim plate above the keyboard, by gently prying at the indicated points. See first photo.
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The trim plate conceals two screws that hold the keyboard. Remove these screws. See second photo.
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Pull the top of the keyboard up and out. Flip the keyboard toward you, exposing the ribbon cable. See third photo.
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Remove the two screws adjacent to the translucent cover.
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Peel back the translucent cover. Remove the two narrow white ribbon cables by gently pulling up on their collars to release the connector, and then sliding the ribbon cable out.
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Remove the metal cover held down by two screws. Remove the additional screw to the right of the cover. See second photo.
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Detach the keyboard ribbon cable from the connector by gently pulling up on the long white collar to open the connector. See third photo.
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Detach the blue ribbon cable in the same manner.
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Detach the white ribbon cable from the connector by gently pulling the gray connector collar toward you.
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Detach the black display ribbon cable by gently pulling it straight up off the motherboard.
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Peeking in from the side, disconnect the red, white, blue and black cable by carefully pulling the connector out of the socket.
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Move and rotate the case bottom out of the way, exposing the CPU and CPU fan assembly. See second photo.
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Remove the indicated screws. See first photo.
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Remove the sheet metal straps holding the copper heat pipes to the chips. See second photo.
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Remove the copper heat pipe to the upper chip.
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Flip the fan over, exposing the socketed CPU chip. See third photo.
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Turn the ZIF retaining screw to release the CPU chip. When properly released you will be able to easily lift the CPU out of its socket.
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Apply heat sink compound to the raised portion of new CPU chip. Also apply heat sink compound to the smaller chip in the upper right corner of the photo.
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Boot the computer and log in. The Windows Settings/System/About dialog will still show the old processor. Let's jump through a few more hoops to fix this.
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Download the Toshiba tem91t1 maintenance tool. This must be run whenever the CPU changes.
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The download creates a bootable floppy that runs the maintenance tool on your laptop. It wants to create a floppy disk, so run this on a PC that has a floppy drive.
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Boot your Tecra M5 from the maintenance floppy. Select option 2: Repair initial config set. This is supposed to shut down your system when it finishes, but it failed to terminate on my laptop. Eventually I removed the floppy and rebooted my Tecra M5 laptop.
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The Settings/System/About dialog now shows the updated CPU.
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The device manager now shows the updated CPU.
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2 comentários
Hi there,
I am looking for Toshiba tem91t1 maintenance tool. The link is not working anymore. Is it possible to get a copy of this tool? Or where can I get it?
Thanks,
Gunnar
If this tool is no longer available for free download from the Toshiba web site, I would start by sending a message to Toshiba support, asking them if they could please put the tool back up there. https://support.dynabook.com/support/mod...