Changed CPU on my laptop but monitor won't turn on

By miranda3860
Nov 19, 2010
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  1. I have an Acer Aspire 5100 and it used to have a single not dual amd turion 64 2.0 ghz cpu socket s1. i bought a amd turion ii ultra 2.5 ghz socket s1. I installed the cpu and turned everything on. The power light and fan look and sound like they are running but the monitor wont turn on. i switched to the old cpu and the monitor turns back on but not with the new cpu. I dont kow whats wrong with it and why the monitor wont turn back on with the new cpu. Please help
  2. luvhuffer

    luvhuffer TechSpot Paladin Posts: 443

    The handbook for the Aspire 5100 you can find here in PDF format says:
    Platform • AMD Turion™ 64 X2 dual-core TL-50/TL-52/TL-56/TL-
    60/TL-62 processor or higher with 1 MB L2 cache,
    supporting AMD PowerNow!™ Technology and AMD HyperTransport
    ™ Technology•

    Mobile AMD Sempron™ 3200+/3400+/3500+ or
    higher with 512 KB L2 cache, supporting AMD
    ™ Technology and AMD HyperTransport™ Technology, 64bit OS support.

    even though the new CPU is the same socket doesn't necessarily mean it will work with that system. Other times it may work but requires a BIOS update to develop compatibility for the CPU. Your best bet is to talk to ACER directly about whether or not that CPU is compatable with that model.

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