Archive for the ‘All Other Laptop Issues’ Category

HP DV2000 DC connector.

DC jack on HP DV series is not part of the motherboard. The jack is connected to the motherboard via cables.  Replacing the jack on the model does not require soldering.  This video will show you how to remove and reinstall the DC connector.

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Symptoms and Affected Models

Symptom Computer Models Covered Distorted or scrambled video on the notebook computer screen All No video on the notebook computer screen even when the notebook computer is on All Random characters, lines or garbled images on the notebook computer screen Dell, Hewlett-Packard Intermittent video issues Dell, Hewlett-Packard lure to detect the wireless adaptororFailure to detect […]

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All Day Battery Life

Smart PC Power & Performance Management The new laptops incorporate self-aware and adaptive technologies to sense where power is needed most to ensure priority components receive power for improved overall performance and battery life. Intel® Turbo Boost Technology 2.0 dynamically increases processor speed during performance intensive tasks such as video editing, data analysis and 3D […]

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Laptop unexpectedly goes into Sleep mode while you are using it

If your laptop unexpectedly goes into Sleep mode while you are using it but the battery charge is not low, you may need to recalibrate your battery. You should also recalibrate the battery periodically to maintain the accuracy of the battery gauge. Follow these steps to recalibrate the battery. Connect your computer to AC power and let […]

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Laptop shuts down when connecting AC adapter.

Laptop is running but soon as you plug in the AC adapter the laptop shuts down.  However, the laptop works fine and charging works too if you plug in the AC adapter before turning on the laptop. Check LM393 IC.

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How to test a Diode on laptop.

This just a simple test to verify if the diode is working at all. Best to test components out of circuit. 1. Set the meter to test for ohms. Any range will work. 2. Connect the Positive probe to the cathode side of the diode and the Negative probe to the anode side of the […]

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How to perform quick check for bad caps.

1. Check with multimeter. 2. Touch with finger, if it feels hot then it’s shorted. 3. Test with crayon, crayon will melt when contact with shorted cap.

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MOSFETs and Caps voltage rating.

Most MOSFETs are rated at 30v, should be able to handle up to 24v with no problem. Caps are rated at 25V, MAX1772 charges the battery can handle up to 28V, MAX1999 main PSU controller is rated for 24V.

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Laptop Video Issue Repair Guide

Welcome Scroll down for a complete list of affected models. If you are looking for a DIY solution to fix your HP Pavilion DV series laptop you’ve come to the right place. Our guide will show you how to fix common video display and boot up issues on HP pavilion dv2000, dv6000, dv9000, and TX1000. […]

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Replacement motherboard

When buying replacement make sure to buy one with the exact same part number. Even same model may have different motherboards.  See example below. Both are to for the same model.

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