DELL 7240 CẮM PIN CMOS VÀO KÍCH NGUỒN ĂN DÒNG THẤP

Discussion in 'DELL' started by ckip6789, May 20, 2019.

  1. ckip6789

    ckip6789 Member

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    Như tiêu đề em nhận 1 con dell 7240 bật sáng đèn nhưng không ăn dòng không lên màn.
    tháo máy , rút pin cmos ra ăn dòng máy chạy bình thường. nhưng cứ lắp pin cmos vào là lại chỉ sáng đèn ăn dòng 0.01 em đã nạp lại bios thay mạch rtc thay thạch anh, thay pin cmos. vẫn không có tiến triển gì . Bí quá mong ae giúp đỡ
     

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  2. ckip6789

    ckip6789 Member

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  3. sangnguyenit

    sangnguyenit New Member

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    pan này là do lỗi RTC thôi bạn gõ bỏ tụ CC3 và CC4 (2 tụ nay nằm phía mặt sau jack fan nha bạn) là xong thôi.
     
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  4. ckip6789

    ckip6789 Member

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    thank em chưa test đc máy em trả về rồi gặp lại em làm song báo lại ạ
     
  5. dalatcomputer

    dalatcomputer New Member

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    Thanks Đã làm xong dell 7240 theo chỉ bảo Thanks diễn đàn sualaptop365 & sangnguyenit
     
    Jan 4, 2020 Last edited: Jan 4, 2020 #5
  6. cuong thach

    cuong thach New Member

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    Cam on ban that nhieu nhe minh da fix xong fan ban chi roi
     
  7. tuoiticona

    tuoiticona New Member

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    bác nào làm rồi cho em xin cái hình ảnh con tụ này được không ạ, em tìm mãi mà không đc
     
  8. joan davis

    joan davis New Member

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  9. thanhlam92

    thanhlam92 New Member

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    Tháo 2 con tụ này vẫn ko dc bạn
     
  10. Rajneesh Kumar

    Rajneesh Kumar New Member

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    The post is written in very a good manner and it details many useful information for me.
     
  11. Angela

    Angela New Member

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  12. robert patton

    robert patton New Member

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  13. 0986183281

    0986183281 New Member

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  14. Jain Nicky

    Jain Nicky New Member

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    I appreciate your work and knowledge. I will recommend this blog to others, more people will get the information and help. For the best quality information and quick updates.

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  15. gfhgfh

    gfhgfh New Member

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  16. gfhgfh

    gfhgfh New Member

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  17. lethanh0569

    lethanh0569 New Member

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  18. Nazro Gayle

    Nazro Gayle New Member

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    A battery on a computer is used to provide power for operating the pc. Lithium Ion or Li-ion batteries are the maximum usually used batteries in laptops and other gadgets. Dell computer batteries are designed for every Dell pc. Power troubles on laptops are compounded because a computer has electricity assets: an AC adapter (charger) and battery. The computer battery presents strength to the laptop while the AC adapter isn't always linked to the computer.
     

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