Lenovo 90BX E50-00 Series, Руководство по техническому обслуживанию аппаратной части

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Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to “Left and right view”
and “Rear view” for help with locating the various connectors.
Step 4. Remove the computer cover. Refer to “Removing the computer cover”.
Step 5. Disconnect the data and power cables from the hard disk drive. 1
Step 6. Remove the four screws that secure the hard disk drive to drive bay. 2
Step 7. Remove the hard disk drive by pulling it straight out of the drive bay.
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Step 8. To install the new hard disk drive ：
a. Slide the new hard disk drive into the drive bay.
b. Secure the new hard disk drive to the drive bay with the four screws.
c. Connect the power and data cables to the hard disk drive.
Step 9. Reattach the computer cover.
Replacing a memory module
Note: For this procedure, it helps to lay the computer flat.
To replace an optical drive:
Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
Step 2. Unplug all power cords from electrical outlets.
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Lenovo E50–00 SeriesHardware Maintenance Manual