how to check dead laptop motherboard
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- Опубликовано: 7 сен 2024
- #laptopmotherboard #repair #hp #deadmotherboard #supertechpro
How to check dead laptop motherboard step by step
Dead Laptop Repair 100% | Laptop Not Power on solution
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Checking a dead laptop motherboard involves a systematic approach to diagnose the issue. Here are steps you can follow:
1. *Power Supply Check:*
- Ensure the laptop is plugged into a working power outlet.
- Check the power adapter for any signs of damage or malfunction.
2. *Indicator Lights:*
- Look for any indicator lights that show the laptop is receiving power when it's plugged in.
- These lights are usually near the power button or on the laptop's edge.
3. *Battery Check:*
- If the laptop has a removable battery, try removing it and powering the laptop using only the AC adapter.
- If the laptop doesn't turn on with the battery removed and only connected to AC power, the issue might be with the power adapter or the motherboard's power circuit.
4. *External Display Test:*
- Connect the laptop to an external monitor using the appropriate video output (VGA, HDMI, DisplayPort, etc.).
- Power on the laptop and check if the external monitor displays anything.
- If the external monitor shows a display, the issue might be with the laptop's screen or its connection to the motherboard.
5. *Check for Signs of Life:*
- Listen for any sounds like fans spinning or hard drive activity when you attempt to power on the laptop.
- Any audible signs can help diagnose whether the motherboard is receiving power and attempting to start up.
6. *Physical Inspection:*
- Visually inspect the motherboard for any signs of physical damage such as burnt components, bulging capacitors, or loose connections.
- Check for any liquid spills or corrosion that might affect the motherboard's functionality.
7. *BIOS/CMOS Reset:*
- In some cases, resetting the BIOS or CMOS settings can resolve startup issues caused by incorrect settings. Refer to your laptop's manual for instructions on how to perform a BIOS reset.
8. *Professional Help:*
- If you are unsure or uncomfortable performing these checks, consider seeking assistance from a professional technician or the laptop's manufacturer service center.
By systematically going through these steps, you can often pinpoint whether the issue lies with the motherboard itself or with another component like the power supply or display.
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sir jumper kon si use karen koi name beta dan
Aap is case me direct clr pr bhi shorting check kr skte , if clr pr short h to clr remove krke check kr lenge input side se h ya output side se iske according direct dc supply ke jumper de skte h minimum voltage se start krege or heating check kr lenge or 19 v se cpu heat ho rha h to ye 100% nhi kh skte h ki bios ke pin 8 bhi short dekhayega , isiliye latest board me 19 v dene se phke core ke mosfet phle check kr lenge
@@LappySanchit g app b theek keh rahay ho me nay pehlay hee conform kar liya tha k cpu short hy or me nay 9 volts supply say diyee hein or phir check kiya hy thanks bro esii tarhan suggestion daithay rehna ...
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