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I bought this CPU (Intel Core i7 870 Processor Quad Core 2.93GHz 95W LGA 1156 8M Cache Desktop CPU ) on Aliexpress: https://www.aliexpress.com/item/1005004371446180.html?spm=a2g0o.order_list.order_list_main.11.18b31802YWNZwl

I want to use it to replace the old i5 processor on my HP Compaq 8100 Elite SFF PC. Detailed information about my desktop can be found in the attached CPU-Z report (both the text and screenshots)

After installing it, I hear beeps every sec for six times then there is a one-second break then it beeps again. I have tried resetting the BIOS by removing the motherboard battery and pressing and holding the SW50 yellow button.

Do you think that it is an issue with the CPU (that I can return) or a compatibility issue with the motherboard..? I am not able to find the motherboard information from the CPU-Z report to look up the supported CPU list.

CPU-Z CPU-Z report - https://www.dropbox.com/s/m25h4b2sls791kz/DESKTOP-P0FP5LP.txt?dl=0

Robotnik
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Difan Zhao
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According to the HP tech specification here http://h10032.www1.hp.com/ctg/Manual/c02034672 That processor should work. enter image description here

The error code states video as the processor you have purchased does not have video capibilities built in - The 8100 SFF does have the ability to add a video card via the spare pcie slot - half height video cards should fit.

JohnnyVegas
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