Hi @jargs ,

What is the make and model number of the fan?

Post an image of the capacitor in question showing the markings and the wiring etc.

Here's how to do this on iFixit Adding images to an existing question.

Are the two white wires joined together or even the terminals they're connected to, are they joined together? It may be that they are just in multiple connection for the supply in the fan.

Disconnect the wires from the capacitor and then use an Ohmmeter to test between the capacitor terminals where the two white wires were connected and check if they are short circuit.

Also some DMMs (digital multimeter) have a capacitance test function which you may be able to use to test the 4uF capacitor (if the meter’s capacitance test range is this high). Discharge the capacitor first before testing i.e. short out the red wire terminal to the white wire terminal (or both?) for a few seconds.

The 4uF is necessary to get the correct current (i.e. therefore speed) for the fan.

Also don’t assume that the red is the hot wire. In some places the white wire is the active wire in electrical appliance wiring. ;-)

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A blinking Caps Lock key on an HP laptop usually indicates a hardware or firmware issue. Here are a few steps you can try to fix it:

1. Restart your laptop: Sometimes, a simple restart can resolve temporary issues. Shut down your laptop completely, then turn it back on after a few seconds.
2. Check for stuck keys: Make sure none of the keys on your keyboard are physically stuck. Sometimes, a stuck key can cause strange behavior.
3. Update your keyboard drivers: Go to the HP website and download the latest drivers for your laptop's keyboard. Install them and see if it resolves the issue.
4. Check for BIOS updates: Sometimes, firmware updates can fix hardware-related issues. Go to the HP website, find your laptop model, and check if there are any BIOS updates available. Follow the instructions to update your BIOS.
5. Perform a hard reset: Turn off your laptop, disconnect the power adapter and remove the battery (if it's removable). Hold down the power button for about 15 seconds to discharge any residual power. Then, reinsert the battery (if applicable), plug in the power adapter, and turn on your laptop.
6. Check for overheating: Overheating can cause hardware malfunctions. Make sure your laptop is not overheating by checking the ventilation and cleaning any dust from the vents.
7. Contact HP support: If none of the above steps work, it's possible that there's a more serious hardware issue with your laptop. Contact HP support for further assistance or to inquire about warranty service if your laptop is still under warranty.

If none of these steps resolve the issue, it might be best to seek professional assistance or take your laptop to an authorized service center for diagnosis and repair.

@dan0 I bet you are 100%right with that. Can you tell/show them how to do the replacement? Maybe you have a link that you can provide with your answer. That’ll be really helpful for the OP.

@dilipkumar82495 what make and model is your phone? What have you checked and what have you tried?