HP Notebook PC (AMD) * Models: 15-ba100 - 15-ba199 * Models: 15-ba000 - 15-ba099 * Models: 15-bf100 - 15-bf199 * Models: 15-bf000 - 15-bf099 * Models: 15-bf100 - 15-bf199 * Models: 15-bg000 - 15-bg099 HP 255 G5 Notebook PC - Maintenance and Service Guide

System board
NOTE: The system board spare part kit includes replacement thermal materials.
Description Spare part number
System board (includes replacement thermal materials):
All system boards use the following part numbers:
xxxxxx-001: Windows 7 or non-Windows operating systems
xxxxxx-601: Windows 10 operating system
For use in HP Notebook PC models (Discrete graphics memory; non-touch screen models):
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AMD A10-9600P processor and 4 GB of discrete graphics memory (R7M1-70) 854959-xx1
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AMD A10-9600P processor and 2 GB of discrete graphics memory (R7M1-70) 854960-xx1
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AMD A8-7410 processor and 4 GB of discrete graphics memory (R7M1-70) 854963-xx1
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AMD A8-7410 processor and 2 GB of discrete graphics memory (R5M1-30) 854964-xx1
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AMD A6-7310 processor and 2 GB of discrete graphics memory (R5M1-30) 854967-xx1
For use in HP Notebook models (UMA graphics memory; non-touch screen)::
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AMD A12-9700P processor 902570-xx1
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AMD A10-9600P processor 854957-xx1
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AMD A8-7410 processor 854961-xx1
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AMD A6-7310 processor 854965-xx1
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AMD E2-7110 processor 854968-xx1
For use in HP Notebook models (UMA graphics memory; touch screen)::
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AMD A10-9600P processor 854958-xx1
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AMD A9-9410 processor 854969-xx1
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AMD A8-7410 processor 854962-xx1
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AMD A6-7310 processor 854966-xx1
For use in HP 255 G5 Notebook PC models (UMA graphics memory; non-touch screen):
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AMD A8-7410 processor 858587-xx1
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AMD A6-7310 processor 858588-xx1
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AMD E2-7110 processor 858589-xx1
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
Component replacement procedures 63