HP 15 – No power – Faulty Ram Supply

If a filter capacitor on a laptop motherboard is shorted, it can have several consequences and symptoms, including:

1. Power-related issues: A shorted filter capacitor can disrupt the power supply on the motherboard, leading to various power-related problems. These can include the laptop not turning on at all, intermittent power loss or shutdowns, or an inability to charge the battery properly.

2. System instability: The shorted filter capacitor can result in unstable power delivery to different components on the motherboard. This instability can cause the system to behave erratically, leading to crashes, freezes, or unexpected restarts during operation.

3. Overheating: A shorted filter capacitor can affect the stability of the voltage supplied to critical components, potentially causing excessive heat generation. This can result in increased operating temperatures throughout the laptop, leading to thermal throttling, decreased performance, or even system shutdowns due to overheating.

4. Audio or video issues: Since the filter capacitor plays a role in smoothing out the power supply, a shorted capacitor can introduce noise or interference into the audio or video circuits. This can manifest as distorted sound output, poor video quality, flickering screens, or artifacts on the display.

5. Component damage: In some cases, a shorted filter capacitor can cause damage to other components on the motherboard. The sudden influx of current due to the short can overload and potentially harm nearby components, leading to additional issues beyond the capacitor itself.

If you suspect a shorted filter capacitor on your laptop motherboard, it is generally recommended to have it examined and repaired by a qualified technician. They can assess the situation, replace the faulty capacitor if necessary, and ensure the overall stability and functionality of the laptop’s power supply.