Black boot screen After upgrading the processor - Lifebook AH531

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Jimmy_D
Posts: 1
Joined: Wed Dec 08, 2021 16:51
Product(s): Lifebook AH531

Black boot screen After upgrading the processor - Lifebook AH531

Postby Jimmy_D » Wed Dec 08, 2021 17:24

Hi all,
I have Lifebook AH531, I upgraded the RAM to 8GB, it works.
But after upgrading the processor i5 Gen3 I got a black screen then the laptop shutdown after 5 seconds.
I tried other processors (i5 Gen 2) but I keep get the same result unless I get the standard processor back (i3-2312M).
I tried to install the standard RAM back with the new processor, same result.

Any solution?
I've read some articles about successful processor upgrading it's to i7:
viewtopic.php?t=48204

Thank you.

fujitsufanhu
Posts: 3
Joined: Tue Feb 22, 2022 15:20
Product(s): A531

Re: Black boot screen After upgrading the processor - Lifebook AH531

Postby fujitsufanhu » Tue Feb 22, 2022 19:53

This is the list of CPUs supported by the AH531:

Intel® Pentium®-Prozessor B950 (2,1 GHz, 2 MB)
Intel® Pentium®-Prozessor B940 (2,0 GHz, 2 MB)
Intel® Core™ i7-2640M-Prozessor (2,8 GHz, 4 MB)
Intel® Core™ i7-2620M-Prozessor (2,7 GHz, 4 MB)
Intel® Core™ i5-2430M-Prozessor (2,4 GHz, 3 MB) *
Intel® Core™ i5-2410M-Prozessor (2,3 GHz, 3 MB) *
Intel® Core™ i3-2330M-Prozessor (2,2 GHz, 3 MB) *
Intel® Core™ i3-2310M-Prozessor (2,1 GHz, 3 MB) *
Intel® Celeron®-Prozessor B810 (1,6 GHz, 2 MB)
Intel® Celeron®-Prozessor B800 (1,5 GHz, 2 MB)

Regards,
Attila https://www.doctorhouse.hu laptop repair technician


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