If your HP laptop is not turning on, you may face one of these possible scenarios:

These can happen due to problems with the power adapter, battery, embedded controller, power switch, BIOS, or even CPU/RAM.

Start the troubleshooting bychecking loose connectionsandreplugging the power adapter. Identify whether thepower outlet is at fault. If the issue persists, move on with other fixes.

Since your HP laptop isn’t responding after pressing the power button, I can assure you that this is a hardware failure.

If you’re at least seeing the splash/logo screen, it could be related to boot and software issues. Also, signs of fans running and keyboard light mean that thelaptop is turning onbutrather has display issues.

In such scenarios, I advise trying out the basic solutions first. Follow my other guide related toblack screens on HP laptopsand try the fixes.

Whatever underlying problem there might be, most HP laptops indicate the source of the problemthrough blink codes. Check if yourAC power adapter/Battery LED, Num Lock, orCaps Lockblinks white or red.

Here are the possible solutions that should work on all HP models:

Now, let’s break down each of the aforementioned solutions in detail below. Even if there’s no blink code as discussed above, proceed step-by-step to identify and fix the underlying problem.

Identify Battery Failure

When resetting the keyboard or embedded controller, did you notice anysigns of battery swelling? If so, I’m pretty much sure that your HP laptop isn’t charging at all.

you may identify this bychecking the battery LED. If it doesn’t flash any light, you may confirm that the laptop isn’t receiving power.

However, not all HP models support this feature. To validate whether the battery is at fault, I suggeststarting the laptop without it. All you have to do is remove the battery, keep the AC adapter plugged in, and turn it on.

If your laptop boots up, there was an issue with the battery and itrequires replacement. ensure to get the authentic one from the official HP store (that has the same wattage rating).

Additional Tip:All laptops have dedicatedbattery drivers. In case these get corrupted or disabled, the device won’t charge. Eventually, this may completely drain the laptop and it won’t turn on.If it starts with only the AC adapter attached, ensure youupdate/reinstall the driver.

Verify Faulty Power Adapter

If your laptop isn’t turning on even after starting it without a battery, there’s probably an issue with the power adapter. Here are the possible ways to verify this:

Reset Embedded Controller

Oftentimes, issues with key sequence, boot block, and firmware/BIOS lead to startup issues with the HP laptop.

By resetting the dedicated Embedded Controller chip, you should be able to fix the underlying hardware issues. This is even handy as it resolves any defective power management function.

If your HP laptop supports areset pinhole(at the bottom), insert a paperclip and press it for about 10 to 20 seconds.

In case that doesn’t help or the notebook doesn’t support such functionality, you need to drain the capacitors. The process is fairly easy and here’s how to do it:

Try Resetting CMOS

Another main cause for boot orPOST (Power On Self Test)failure involves a corrupted BIOS. Resetting CMOS should clear all the stored data andreset the firmware.

If there’s no CMOS battery,repeat the steps I provided toreset the EC. This time, keep the external battery outfor a longer time(at least 30 minutes).

In case your HP laptop has an internal battery, open the bottom panel.Disconnect the cable for several minutes and replug.Reassemble and check if it turns on now.

Additional Tip:you may eventest the CMOS using a multimeter. In case the reading falls below the specified voltage, know that theCMOS battery is probably dead.

Trigger BIOS Recovery

Clearing CMOS works most of the time and it also helped our team solve a similar issue onProbook 440 G6. However, if you’re encountering this issue after a failed BIOS update, the only solution isperforming auto recoveryor doing this manually.

For the auto-recovery feature to work, there should be a backup of the BIOS existing in your HP laptop. Otherwise, you’ll have to try a key press combination or use a recovery USB drive.

Before You Begin:Ensure your laptop doesn’t supportHP Sure Start. BIOS can’t be recovered on HP models supporting this functionality.For some, holding the power and mute buttons together for a few seconds has also helped. you may try that for sure.

Manual BIOS Recovery Using USB Flash Drive

Reseat or Replace Faulty Components

When an HP laptop doesn’t turn on, the culprit is usually power failure or corrupted BIOS. However, faulty components can also lead toNO BOOT and NO POST issues.

There should be some form of blink codes as tabulated in the first troubleshooting step. Based on that, you may try reseating the memory module or the processor (if possible).

Follow the general instructions below to learn the right way to reseat laptop RAM:

Unlike RAM, laptop CPU upgrade or replacement is only supported by a handful of HP models. Most aresoldered onto the motherboardand you won’t find a dedicated processor socket.

Nonetheless, you may stillreapply the thermal pasteand do a proper cleaning of your laptop to see if this helps out. Don’t forget to clean the fans and blocked air vents.

Replace Damaged Charging Port

Are you using a broken charging port? Well, there are obvious signs, like loose connectivity, slow or intermittent charging, visible damage, etc.

As I stated earlier, you may try charging your laptop with an alternative method. If it doesn’t work as well, this could mean the charging port itself is faulty.

While it may betoo hectic to fix a charging port,a quick replacement is a much easier option. Do note that it is not applicable to every HP model.

First, open up the laptop’s back panel and check if there’s arelevant cable connected to the mainboard. Replug and see whether this solves your problem. And if not, you have to go for a replacement.

Visit a repair shop or you may even order it online. Just ensure you purchase the appropriate onedepending on the model.

Some HP laptops have thecharging port slotted directlyonto the motherboard. Even so, if you possess hardware and soldering skills, you might still be able to replace it.

Check the Power Switch Connector

Sometimes, there’s no indication of POST or battery failure. Yet, the HP laptop doesn’t respond when pressing the power button. Not even thefans make noise.

While it’s a rare case scenario, there could be something wrong with the power switch connector. Thebutton might not be pressing properlyor the motherboard connector might have gone loose.

Open up the bottom casing and identify the power switch connector location. You may get help from the user manual.Reconnect itand turn on the HP laptop.

Even if that doesn’t help, I recommendshorting the keyboard connector’s two pins. This should help youturn on the laptop without the power button. If this works, know that the switch is faulty and you need to replace it.

Contact Vendor for Motherboard Replacement

You have tried everything and yet the HP laptop doesn’t turn on. This could be an indication that themotherboard is dying or is probably dead.

Also, there could be an underlying issue preventing from getting a sufficient power supply. For instance, the power module may have short-circuited after a power surge.

Beforedestroying or disposing of the laptop, I suggest contacting the vendor/manufacturer. If thewarranty hasn’t been void, they mightreplace the laptopor its damaged parts.

Your storage drive shouldn’t be affected. So, ensure youremove the HDD or SSDand recover data using another computer.

In my case, the oldHP Pavilion G6laptop was completely broken with no signs of life. I’ve harvested some of the working parts and still use them today.