Description Spare part number
Intel Core i7-5500U Discrete 850M 4GB (2.4 GHz, SC turbo up to 3.0 GHz), 1600 MHz/4 MB L3, dual core
15 W for use with FreeDos and Ubuntu Operating Systems
794987-001
Intel Core i7-5500U Discrete 850M 4 GB (2.4 GHz, SC turbo up to 3.0 GHz), 1600 MHz/4 MB L3, dual core
15 W for use with Windows Standard Operating System
794987-501
Intel Core i7-5500U 850M 4GB (2.4 GHz, SC turbo up to 3.0 GHz), 1600 MHz/4 MB L3, dual core 15 W for
use with Windows Professional Operating System
794987-601
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 37),
5. Remove the optical drive (see
Optical drive on page 38).
6. Remove the top cover from the base enclosure (see
Base enclosure on page 41).
7. Remove the WLAN module (see
WLAN module on page 55).
8. Remove the subwoofer (see
Subwoofer on page 60).
Remove the system board:
1. Remove the following cables if you have not already done so:
●
Power connector board cable (1)
●
Display cables (2), and (3)
●
Speaker cable (4)
Component replacement procedures 65
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