while computer is plugged in turn it off with the power button then once it's turned off it will continue to give the same light code, then unplug the charger, hold down the power button for like a minute, then plug the machine back in, hold the power button for another minute then hopefully it will fix itself. I just did this and now i can unplug my machine and also get back the performance that it was lacking in.  Hopefully your issue was the same as mine and that you don't need to replace any parts! Answer from camrashii on dell.com
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while computer is plugged in turn it off with the power button then once it's turned off it will continue to give the same light code, then unplug the charger, hold down the power button for like a minute, then plug the machine back in, hold the power button for another minute then hopefully it will fix itself. I just did this and now i can unplug my machine and also get back the performance that it was lacking in.  Hopefully your issue was the same as mine and that you don't need to replace any parts!
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For users returning to this thread, the flash code of 4 amber (or blue in this case), 1 white or a constantly flashing amber light would be indications of a Temporary Battery Failure. The 4,1 code in particular would be due to 2 possible reasons. Either the battery has become too hot and has shut off the charging function to try to cool down the battery, or the computer has experienced an Over Current Protection event while charging and has shut off charging temporarily to protect the computer. Both of  these scenarios are recoverable. However, the computer does not charge until the Temporary Battery Failure condition has been removed. This is working as designed to protect the computer. Use the following steps to recover the charging capability of the computer and stop the blinking LED code from being displayed: Reseat the AC adapter. This can be done by disconnecting the AC adapter for ten to fifteen seconds and reconnecting it to the computer. If the Over Current Protection circuitry has triggered this, it resets the protection and resumes charging If the battery has gone above its thermal threshold, move to a cooler ambient temperature environment and wait for the computer to cool. Once the battery temperature has decreased, the computer should resume charging. If still unresolved, remove the bottom cover and reseat the battery cable to the motherboard.  Run the diagnostic to see if there is an error code for the battery Shutdown the unit Hold down the Fn key and the power button together A quick test should start. Make note of any errors if any If still unresolved, test with a known good OEM battery if available  See this video for additional battery troubleshooting.  Contact Dell GHN (Get Help Now) chat technical support Monday through Friday. Click the blue 'Get Help Now' on the right to start a private live chat session. Share the private Service Tag with them so that they can verify the ownership and warranty status. This will also generate a unique Technical Support case for your unique Service Tag. If already out of warranty, click here for the Dell out of warranty offerings.
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Tech News Today
technewstoday.com › home › hardware › alienware power button keeps flashing? here’s how to fix it
Alienware Power Button Keeps Flashing? Here’s How to Fix it - Tech News Today
January 9, 2023 - For example, if the power button blinks red twice and then blue once, this suggests that the system has detected a processor failure. The light combination is expressed in terms of light code, and the code, in this case, is 2-1. As per Alienware’s ...
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JustAnswer
justanswer.com › laptop › ojs7j-alienware-17-laptop-wont-load-power-button-flashes-3.html
My Alienware 17 laptop wont load, power button flashes 3. Times red and once blue. Tried holding the power button and it
March 25, 2024 - The flashing red and blue power button signals a hardware fault or failed update. First, perform a hard reset by unplugging the charger, removing the battery if possible, and holding the power button for 30 seconds.
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Dell
dell.com › dell community › laptops › alienware
m15 R6, 1 Blue, 4 Red power button flashes - Alienware
March 16, 2023 - While playing some games, the power button would start flashing blue and red (1 blue 4 red) and the game would start stuttering. The flashes go away once the charger is removed and the laptop runs normally. Once I connect the charger again, it starts flashing the same. I thought my charger was broken but the hardware diagnosis states the charger is fine. After shutting down and letting the laptop sit idle for a while. Powering back up with the charger plugged in, the laptop shows no issues.
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Dell
dell.com › support › kbdoc › en-us › 000422770 › alienware-area-51-laptop-power-button-flashing-red-once-and-then-blue-four-times
Alienware Area-51 Laptop Power Button Flashing Red Once and then Blue Four Times | Dell US
April 10, 2026 - The power fluctuation can confuse the laptop into displaying the "a single red and then four blue" flash pattern. Restarting the laptop recovers it from the displaying the error. Note: Before starting the update, perform the following: Back up all personal data. For more information, refer to: Back Up and Recovery · Connect the AC adapter. Updating the Alienware 16/18 Area-51 System BIOS to version 2.0.1 or later on the laptop resolves the issue.
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Tom's Guide
forums.tomsguide.com › home › laptops › laptop tech support
Alienware 15 R2 not turning on and LED lights flashing on and off? | Tom's Guide Forum
March 7, 2018 - Last night the wifi on my Alienware 15R2 disconnected, while everything else in the house was fine. I turned the laptop off to see if restarting helped, but the laptop didn't turn back on when I pressed the power button. I thought it might be low battery, so I plugged in the power adaptor. The blue-ish lights that show up on the power button when charging came on as normal.
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Reddit
reddit.com › r/alienware › alienware m16 r1, plugged in but not charging, power button flashing 4 reds, 1 blue?
r/Alienware on Reddit: Alienware M16 R1, plugged in but not charging, power button flashing 4 reds, 1 blue?
May 27, 2025 -

Hi, everyone... getting straight to the point,

I've been using this laptop (i9-13900HX and RTX 4080m) for almost 2 months now and had no issues. Been super content with it... right until yesterday.

I noticed my battery wouldn't charge anymore, and the power button keeps flashing in that pattern repeatedly if it's plugged in.

Basically, my laptop has turned into a portable desktop. I'm really at a loss of what to do here.

I observed the Battery State in the BIOS menu. Whenever I plug in the charger, it does state the battery is Charging briefly, and then changes to Idle.

I'm really confused... it seems like something is preventing the battery from being charged?

The battery drains normally, and I'm not sure if I want to let it reach 0...

Things I've tried:

  • Disconnect the battery and hold the power button for around 30 seconds, then reconnect the battery and boot the laptop.

  • Running the laptop without the battery (just using the charger adapter); in this case, the power button doesn't give off the 4 reds, 1 blue flashing pattern.

  • Using a different battery... issue still persists. So is the problem not the battery??

If anyone has any suggestions or steps to try out, they're highly appreciated! Worst case scenario, I'll just have to bring this to a service center and try my luck.

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Dell
dell.com › dell community › laptops › alienware
m15 R4, m17 R5, 4 flashing red and 1 blue power button battery issue (fix for some/most) | DELL Technologies
November 2, 2025 - Anyways, the fix for me and others has been to remove the power cord, hold the power button for 30 full seconds then attempt to start the laptop, first without the power cord attached and then with it plugged back in.
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Dell
dell.com › support › manuals › en-us › alienware-17-r5 › alienware-17-r5-servicemanual › diagnostics
Alienware 17 R5 Service Manual | Dell US
For example, the power and battery-status light blinks red two times followed by a pause, and then blinks blue three times followed by a pause.
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Reddit
reddit.com › r/alienware › alienware power button slowly pulsing
r/Alienware on Reddit: Alienware power button slowly pulsing
October 9, 2025 -

So I got off work and turned on my laptop and updated it and now it's slowly pulsing when I have it plugged in. I'm currently looking for the manual to figure out what it is but in the meantime does any know what this means?

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Dell
dell.com › support › manuals › en-us › alienware-x14-r1-laptop › alienware-x14-r1-service-manual › system-diagnostic-lights
Alienware x14 Service Manual | Dell US
For example, the power and battery-status light blinks red two times followed by a pause, and then blinks blue three times followed by a pause.
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Dell
dell.com › dell community › laptops › alienware
m15 R6, 1 Blue, 4 Red power button flashes | DELL Technologies
March 16, 2023 - While playing some games, the power button would start flashing blue and red (1 blue 4 red) and the game would start stuttering. The flashes go away once the charger is removed and the laptop runs normally. Once I connect the charger again, it starts flashing the same. I thought my charger was broken but the hardware diagnosis states the charger is fine. After shutting down and letting the laptop sit idle for a while. Powering back up with the charger plugged in, the laptop shows no issues.
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Reddit
reddit.com › r/alienware › 4 red light 1 blue power button flashing
r/Alienware on Reddit: 4 red light 1 blue power button flashing
June 8, 2022 -

Hello everyone, i bought an x17 R1 back in February and performance wise it's great and everything is smooth but recently sometimes the power button does (four) red flashes and (one) blue I've read that it's a battery failure or something? also is this standard or i should claim warranty and get it replaced?