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Description Spare part number
NVIDIA GeForce GTX 850M 4 GB dedicated video memory and Intel Core i5-5200U 2.2 GHz processor, SC
turbo up to 2.7 GHz (4 MB L3 cache, dual core, 15 W) for use with Windows Professional and HD panel
782302-601
NVIDIA GeForce GTX 840M 2 GB dedicated video memory and Intel Core i5-5200U 2.2 GHz processor, SC
turbo up to 2.7 GHz (4 MB L3 cache, dual core, 15 W) for use with Ubuntu Linux and HD panel
782301-001
NVIDIA GeForce GTX 840M 2 GB dedicated video memory and Intel Core i5-5200U 2.2 GHz processor, SC
turbo up to 2.7 GHz (4 MB L3 cache, dual core, 15 W) for use with Windows Standard and HD panel
782301-501
NVIDIA GeForce GTX 840M 2 GB dedicated video memory and Intel Core i5-5200U 2.2 GHz processor, SC
turbo up to 2.7 GHz (4 MB L3 cache, dual core, 15 W) for use with Windows Professional and HD panel
782301-601
4th generation
NVIDIA GeForce GTX 850M 4 GB dedicated video memory and Intel Core i7-4510U 2.0 GHz processor, SC
turbo (4 MB L3 cache, dual core, 15 W) for use with Ubuntu Linux and FHD panel
768005-001
NVIDIA GeForce GTX 850M 4 GB dedicated video memory and Intel Core i7-4510U 2.0 GHz processor, SC
turbo (4 MB L3 cache, dual core, 15 W) for use with Windows Standard and FHD panel
768005-501
NVIDIA GeForce GTX 850M 4 GB dedicated video memory and Intel Core i7-4510U 2.0 GHz processor, SC
turbo (4 MB L3 cache, dual core, 15 W) for use with Windows Professional and FHD panel
768005-601
NVIDIA GeForce GTX 850M 4 GB dedicated video memory and Intel Core i5-4210U 1.7 GHz processor, SC
turbo (3.0 MB L3 cache, dual core, 15 W) for use with Ubuntu Linux and FHD panel
781103-001
NVIDIA GeForce GTX 850M 4 GB dedicated video memory and Intel Core i5-4210U 1.7 GHz processor, SC
turbo (3.0 MB L3 cache, dual core, 15 W) for use with Windows Standard and FHD panel
781103-501
NVIDIA GeForce GTX 850M 4 GB dedicated video memory and Intel Core i5-4210U 1.7 GHz processor, SC
turbo (3.0 MB L3 cache, dual core, 15 W) for use with Windows Professional and FHD panel
781103-601
NVIDIA GeForce GTX 850M 4 GB dedicated video memory and Intel Core i5-4210U 1.7 GHz processor, SC
turbo (3.0 MB L3 cache, dual core, 15 W) for use with Ubuntu Linux
781102-001
NVIDIA GeForce GTX 850M 4 GB dedicated video memory and Intel Core i5-4210U 1.7 GHz processor, SC
turbo (3.0 MB L3 cache, dual core, 15 W) for use with Windows Standard
781102-501
NVIDIA GeForce GTX 850M 4 GB dedicated video memory and Intel Core i5-4210U 1.7 GHz processor, SC
turbo (3.0 MB L3 cache, dual core, 15 W) for use with Windows Professional
781102-601
NVIDIA GeForce 840M 2 GB dedicated video memory and Intel Core i5-4210U 1.7 GHz processor, SC
turbo (3.0 MB L3 cache, dual core, 15 W) for use with Ubuntu Linux
763749-001
NVIDIA GeForce 840M 2 GB dedicated video memory and Intel Core i5-4210U 1.7 GHz processor, SC
turbo (3.0 MB L3 cache, dual core, 15 W) for use with Windows Standard
763749-501
NVIDIA GeForce 840M 2 GB dedicated video memory and Intel Core i5-4210U 1.7 GHz processor, SC
turbo (3.0 MB L3 cache, dual core, 15 W) for use with Windows Professional
763749-601
Before removing the system board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 31), and then remove the following components:
Component replacement procedures 53