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Lenovo T470. power button blinks three times when DC + AC after few SPI flash attempts.

Q: Lenovo T470. power button blinks three times when DC + AC after few SPI flash attempts.

HiI have flashed the SPI with different fw a few times and the platform booted.I wanted to flash the original dump again and it worked properly.I made another try (different fw) and it didn't boot so I wanted to flash the original dump again but it didn't boot at all.The way it behaves is as follow: * With AC and DC: the power button blinks three times and doesnt boot.* With DC only: it wont boot at all* With AC only: it wont boot at all

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RELEVANCY SCORE 200
Preferred Solution: Lenovo T470. power button blinks three times when DC + AC after few SPI flash attempts.

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RELEVANCY SCORE 88.4

I've spent hours researching this annoying feature. If I leave the machine in sleep/hibernate state for more than about an hour and then open the lid, only the Lenovo logo is shown. CAD combo restarts but again only the logo is shown. I need to press the power button once, wait a few seconds then press the power button again. Then the laptop starts normally. The attached file shows my power settings. I appreciate any assistance. I have this problem whether I have my Wacom Pro S tablet attached or not. The laptop is brand new.


























Capture.PNG ?58 KB

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RELEVANCY SCORE 86.8

Hi There I'm having a BIG problem with my 4th Gen X1 Carbon laptop. When it's on it seems to work fine but if I need to power it off or do a restart. When It tries to turn back on, the power light flashes once as does the function bar then it turns off. I have to wait at least 5 minutes before I can turn it back on. I have tried the diagnostic software and everything passes with the exception of the Fan. it says "Not Available". I'm unsure if the fan is grayed out by design or if that is where the problem could be. If anyone has come across this before please let me know. I have limited confidance it the system untill I can resolve this issue. Thank youRobert

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RELEVANCY SCORE 79.6

Hello All, I have a issue with a HP M7-1015dx model . It was recently dropped and no longer turns on. I am a good techie and able to fix but I need your assistance. Where the ac cords plugs into the side of the laptop. There is a light . When I try to turn it on it blicks three times. Since, it is out of warranty HP will no help me so, I decided to goto the forums here. Everything I have read says the blinking is a indictor of issue but it can only related to specific laptop for these codes. I tried google searching  the blink but just general possible. I have removed and reseated memory , Does anyone have any knowledge of this particular laptops blinks codes for this model. Is it a lost cause ? because I would still have to replace the bottom casing since right monitor cramps broke. Any Help will be appreciated . Thanks

A:M7-1015dx - power up - power cords area blinks 3 times

Hi,          Check the blink code meaning in the below link http://support.hp.com/us-en/product/HP-Pavilion-m7-Entertainment-Notebook-PC-series/5262615/model/52...

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RELEVANCY SCORE 78.8

Hello, I have a ProBook 640 G1 that will not power on. After pressing the power button, with a battery installed and the AC adapter attached, the Charging LED blinks white 9 times . Unplugging the AC adapter results in 9 amber blinks. The light on the AC Adapter itself remains solid green. With the battery removed, and attached to the AC Adapter, three lights blink continously : The light on the power button (white), the Charging LED (AMBER), and the Power LED (White). The light on the AC Adapter itself remain solid green. In both cases pressing or pressing and holding the power button has no effect. There is no indication that power is actually making in to the MB; no BIOS , nothing at all. I do not have access to another unit with the same battery or AC adapter in order to try swapping those out. Thanks,Shane 

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RELEVANCY SCORE 78.4

My laptop does not start and power button LED Blinks many times(greter then 60)!i have tried these suggestions and they havent helped.- Hard Rreset- Cleaning the fan - Running laptop on direct power

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RELEVANCY SCORE 77.2

Hello!Please help me with a problem. When you turn off the computer beeps. Power LED flashes 3 times became white and red 5 times. What could be the problem? When you disconnect the power cord, turn on normally.HP ProDesk 490 G3 MT

A:The power button blinks

   Hi here is the hp LED flashes meanings and fixed http://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c01732674

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RELEVANCY SCORE 76.8

I have an HP Pavilion 15-p043cl with the same problem. The power/charge light blinks white three times when you press it. The laptop never actually powers up. I've tried with and without the battery and numerous other power adapters. It even blinks while the battery is removed, which is strange because the I've opened up the case and measured 19.5 volts on the motherboard, which is why the light even flashes in the first place.
 
The customer said the computer felt really warm, and now it's not working and this is happening. My only guess is that one of those hundreds of small components on the motherboard died/shorted out. So this seems to be a common issue with some HP models.

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RELEVANCY SCORE 76.8

My G72 will not start.  I have tried all the tricks for unplugging power cable, battery, holding the button down, etc. I have pulled RAM, verified power to the system board using a voltmeter.... No matter what I try, when I put the battery in and hook it to power, then press the power button, the AC power LED blinks three times.  It does this if the power is not hooked up; it does not do it if the battery's removed (with AC power). I have tried two separate AC adapters, known working ones. I have voltage at the system board, so I don't think it's the power connector.  The system responds only with the 3 blinks when I hit the power switch. What do the three blinks mean? I can find nothing online specific, and it's out of warranty.

A:G72 Laptop AC Power LED Light Blinks 3 Times. What does this...

If the LEDs are blinking with you turn on the notebook, refer the following weblink:http://support.hp.com/us-en/document/c01443366 

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RELEVANCY SCORE 76.8

Hi,I recently installed replaced my 1TB factory fitted HD with an SSD HD.After installing the new drive the laptop will not come on let alone boot.  When plugging in the power supply the LED light on the letter ?i? of ThinkPad flashes red 3 times and then goes off.  There is no further sign of life from the laptop.I have tried many things including: Disconnecting the battery waiting for various times (up to overnight!) before reconnectingLikewise I have done the same with the BIOS batteryDisconnecting both at the same time and leaving for various amounts of timePressing the emergency reset button (many, many times like CPR)After Googling running the ?secret code? pressing the power button 10 times in a row at 1 second intervals and then 30 seconds ? is this real or just a gimmick?Reinstalling the original hard disk and repeating the aboveAll with no luck, just the 3 flashes of the LED light before silence.  Unfortunately it is out of warranty.I?m hoping the laptop is not dead as it was a great machine and I really need to use it.Any help is much appreciated! Thanks in advance for anybody taking the time to (make a sensible) reply.

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RELEVANCY SCORE 76.8

I have a HP Pavillion 15 n019ax laptop which is nearly 3 years old now. My laptop suddenly doens't start for the last 2 days. If I plug the battery it will turn on with the only remaining percent. If I plug the charger it won't even charge and the power led doesn't light up.Then, if I remove the battery leaving only the charger laptop won't turn on and the power led blinks 3 times. What 3 blinks from power led mean?I've already done discharging by holding the power button for 15-30 seconds and even 1 minute. I tried resitting my ram and no results. Tried everything I can do but its a no go. I also bought a new charger, results is a no again.My battery is almost empty at 28% and still decreasing if my laptop is not in use.Though if I plug in the charger and the battery at the same time the battery will not decrease a single percent.Please reply to this post if you know any different solutions?

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RELEVANCY SCORE 76.4

Computer was shut down for 2 days without power. When pressing power button the power button blinks but does not power up. Have tried the reset option to no avail. Computer has been charging now for 4 hours.

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RELEVANCY SCORE 76

I was using my Yoga 900 this morning when it abruptly shut off for no reason. When I push the power button the (battery?) light is orange and blinks three times. I've tried letting it power up for a couple hours, trying to turn it on when it's plugged in, etc. but I can't get it to power up at all. Battery issue? Something else? It's been a great computer until this morning. Thanks in advnace for any help. MrL

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RELEVANCY SCORE 75.6

About two months ago I replaced a faulty hard drive and everything has been fine since. Shut the computer off two days ago. I press the power button to turn on the laptop and the power button blinks once and nothing. Took it apart. Reseated ribbon cable connecting motherboard to power button. Unplugged power adapter, removed batter, held down power button for 1 minute to disapate any lingering power. Hit the power button, same thing. One blink and nothing. Power adapter seems to be ok as red light displays when plugged in. Suggestions on what to do?

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RELEVANCY SCORE 75.2

Hi all, Is this a known issue at Lenovo 510 -14ISK.  I press the the power button to turn on the laptop , but the orange light only blinks 3 or 4 times and then turns off, leaving the laptop not powering. I ran the last BIOS update which was pushed by Lenovo. PS: The laptop doesn?t seem to respond at all. please help

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RELEVANCY SCORE 74.8

I am working on my in-laws computer (product number: G4B05AA). After a recent update from AMD the computer began to exhibit problem. First, it did not run smoothly. Then blue screens happened regularly (Thread Stuck in Device Driver) from which the only way to restart was to unplug the computer. One time it would not power up. Following the instructions for a hard reset worked. After letting it run all night because I thought that Windows 10 was trying to do an update, it still ran poorly. Then there came the final blue screen (same issue). After unplugging it, it will not restart at all. Even a hard reset will not work, no noises, only the continuously blinking power button. All periperals, except keyboard and mouse, have been removed. It does not appear to be an overheating issue. Thanks for your help.

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RELEVANCY SCORE 74.8

My daughter's emachines 4682 had been giving her problems then finally went kaput. When you try to turn it on, the green light surrounding the power button just blinks fast, but the computer will not boot or even turn on. Power supply, maybe?

I decided to remove the cover. For safety, I unplugged mouse/k'board/monitor, then took the cover off, wiggled some wires, hit the power button and the light stayed green, fan spun, HD spun. I quickly plugged in all peripherals, got to admin screen for XP Home, but could not get mouse or K'board to work (I don't think I got them plugged in quickly enough - both are USB, mouse is wireless), so I couldn't get past that screen. I manually turned off, tried to restart and... back to the old problem, fast-blinking green light, no power. I'm scratching my head on this one.

Thanks for any help.
dd
 

A:Solved: eMachines 4682 no power, button just blinks

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RELEVANCY SCORE 74.8

I faced this problem last night when my T530 suddenly switched off and not turning on till now. When I press the power button it blinks once and then nothing happens. When I plug the ac adaptor it doesn't show  charging indicator on.I tried to fix the problem by pressing the power button 10 times and then hold it for 30 seconds ( ac adaptor unplugged , battery removed ) but nothing happened.What should I do ? Please help..

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RELEVANCY SCORE 74.8

Hello all!

I am a rook to this forum but somewhat knowledgeable with computers. I seem to be having trouble with our eMachines T2385 computer. I personally hate eMachines and will never buy one. However, this PC was given to us by my mother-in-law because they couldn't get it to work. They said it wouldn't power up anymore and they said that if I can fix it, we can keep it. I thought it would be nice to fix and give to our kids to have a computer that they can play games on. Nothing fancy.

Since it was a powering up issue, I figured it would be a power supply issue. I was right and wrong at the same time. I took my power supply from my PC and put it inside the eMachines and it does power up. However, some strange things seem to be happening.

1) As soon as I plug the power cord from the wall into the power supply, the computer automatically powers up. I don't push the power button whatsoever. I even hold the power button in to power the PC down and it does not respond. It doesn't power down. The only way I get it to power down is by flipping the switch on the back of the power supply.

2) The old power supply got no response from hitting the power button. No fans turning. Nothing. The power supply I put in does get a response. The CPU fan kicks on. The power supply fan kicks on. The HDD powers up. But nothing comes up on the monitor. It remains blank.

I have tried unplugging the power to the PC and holding the power but... Read more

A:eMachines T2385 power button blinks rapidly

Two observations I can make from this.

In 1. I would say the power button is jammed and making a constant contact as this would cause it to start without being pressed.

In 2. That the old power supply has failed.

You would need to dissasemble the machine to test the power button with a test meter and also use a test meter on the old power supply to confirm it has no output.

Clearing the fault on the power button may get the machine going.
 

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RELEVANCY SCORE 74.8

I normally go to bed and leave my laptop running with a YouTube playlist playing for background noise to help me sleep. I've been doing this for about three years. I usually wake up the laptop in sleep mode or still playing the playlist but with the screen black. Today, though, I woke up to the laptop totally powered down and unresponsive. I checked the power cord and it was plugged in on both ends, but it acted like it was basically dead. Any push of the power button causes the button to turn on like normal, but it turns off after just a few seconds. Trying this several times, occasionally the keyboard lights will flash, too, but they die after just a second. The whole thing looks like it's booting up, but can't even turn the screen on at all. I'll link to a YouTube video showing the problem. A few months back, I was having harddrive problems from what I could tell, but fixed it. I haven't had any other problems other than that. Link: https://youtu.be/v3y7q2S0GS8 Could the battery have finally crapped out or something? I tried the whole battery removal and hold power button thing a few times with no results.

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RELEVANCY SCORE 74.8

I have a HP G7 series laptop.Several months ago the motherboard went out.  I finally got around to ordering a replacement, then had to order a replacement amd chip since the new motherboard had a different socket type.  I put it all back together and now instead of the caps light blinking, the power button will blink once for half a second and then nothing will happen after that. 

A:hp g7 laptop power button blinks once, doesn't boot

Hi @elMusso, Welcome to HP Forums! I understand that your laptop still does not work after you replaced the motherboard. I want to help. The document below may help you diagnose the hardware issue of your laptop:HP Notebook PCs - Computer Does Not Start and Emits an LED or Beep Code Let me know how it goes. To say "Thank you", click on the "Thumb up" icon. Regards, 

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RELEVANCY SCORE 74.8

When I press the power button, three lights including the power button blinks every five seconds and appears notihng on the screen.Spoiler (Highlight to read)   

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RELEVANCY SCORE 74

hi not sure if this is right area for this if not i apologize. i just got this hp pavilion dv5-2331nr from a friend that doesnt use it anymore. it has windows 7 home premium edition on it and its 64 bit.  i went to the bathroom and when i came back the screen was black so i thought i went into hibernation so i went to move mouse to wake it up and it doesnt turn back on but noticed the power button blinks once and then 5 seconds later it blinks again. when the power button on laptop blinks the "FN wireless button" blinks as well. ive tried holding in the power button and tried pressing the power button but it still dont turn on. not sure what else to try if anyone has any suggestions please feel free to let me know. it was working fine prior to it going black and not responding. thanks

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RELEVANCY SCORE 69.6

I have Lenovo Yoga 500 laptop for four years . Has worked well till yesterday. Today when tried to switch on, the powe on button and keyboard kept blinking from time to time but the laptop did not boot or power on . The laptop was working fine with absolutely no issues.

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RELEVANCY SCORE 68.4

I have been using my Lenovo Y500 laptop for 5 years and there was no problem like this. Yesterday I got a new SSD to replace my hard drive and after some problems, I managed to install windows and started using it.However, there is a problem. When trying to open the laptop with power button, it no longer boots. It just gets stuck on Lenovo logo screen.The only way to get past this is pressing restore button, which opens something called Novo button menu Where I have to select "Normal startup" to start my OS. Which is kinda annoying.What could be the problem here?

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RELEVANCY SCORE 67.2

When i run maplestory my screen goes black and my screen light power button blinks.
What can be the problem?
 

A:When i run maplestory my screen goes black and my screen light power button blinks

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RELEVANCY SCORE 67.2

Hello everyone,  Trying to purchase an extra charger for the Lenovo Thinkpad T470 (which was bought in the US) and would love to know which one I can order locally, from Lenovo India.  These are the chargers are available and I can either buy an USB type C charger or the slimport charger, right?  https://www.lenovo.com/in/en/accessories-and-monitors/chargers-and-batteries/chargers/Lenovo-45W-AC-...https://www.lenovo.com/in/en/accessories-and-monitors/chargers-and-batteries/chargers/Lenovo-65W-AC-...https://www.lenovo.com/in/en/accessories-and-monitors/chargers-and-batteries/chargers/PWR-ADP-BO-USB... This is the one that came with the laptop (USB type C):   Would be great if you could please suggest what would be a good buy for this laptop or if it's better to buy a charger from Lenovo USA.  Thank you for  your time.

A:Recommended power adapter/charger for Lenovo Thinkpad T470

I would buy the USB-C, thinking if or when I replace the laptop, the USB-C charger is more likely to work as a spare.  As far as wattage, the 45W will be lighter, but 65W may charge some devices faster and is more likely to be compatible with any replacement.  (I am not suggesting that you are going to replace the laptop soon, but things happen and situations change.)  

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RELEVANCY SCORE 66.4

have a T7500 that when rebooted, will take anywhere between 10-15 shutdown/startups before getting boot screen. Power button is green and 3 4 stay green when it is attempting to boot. I can't find what error this might indicate... any help would be much appreciated...

Thanks

Travis 

A:T7500 green power button 3 4 green lights, takes several attempts before getting boot screen

ubearcat,The led error represents ACPI S3 Suspend to RAM Windows Standby State. Try the steps below to resolve.Changing the power management options in the operating systemSometimes just changing the software settings in the operating system power options will fix the issue. Access to the power options in Windows can be done through the Control Panel. Depending on your version and view by settings, you may or may not see a power option link. In that case, look for power options under the hardware category. Once there, create a new plan or modify an existing plan, changing the advanced settings as needed.If changing the operating systems power options does not fix the problem, you can try changing the APCI setting to the computers Basic Input/Output System (BIOS).  Once there, you need to look for Power Management Options. There you will find the different ACPI standby states.

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RELEVANCY SCORE 66

I have a T450S that is a few months old. It has worked fine until just the other day when it would not turn on. When I push the power button, the green LED flashes three times. Then, the LEDs on the F1, F4, and Fn keys come on for several seconds and go off. Here's what I've tried:- Charging for an extended period.- Removing the battery for an extended period.- Removing the battery and holding the power button for 60 seconds.- Pressing the button in the emergency reset hole. Nothing has made any difference. Any ideas?













Solved!

Go to Solution.

A:T450S won't boot, power button flashes 3 times

Update: I called Lenovo support and am sending it in for repair.

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RELEVANCY SCORE 66

I hav to press the power button multiple times to start the laptop.. works good with the power cord on.all my drivers & bios is up to date.. but when i open the lid... i hav to press poer button multiple times & then in 4-5 min it starts.

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RELEVANCY SCORE 65.6

While playing YouTube videos in 1080p screen blinks black intermitently for a couple ms each. It is a hardware failure, because I coudn't find an answer anywhere? I am answering because the laptop is in warranty and I dont know what to do.

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RELEVANCY SCORE 65.2

My hp envy j040us laptop of 3 years, just shut down and never came back on. I did a hard reset but nothing improved. Right now when the power button is pressed , I see 4 steady blinks at 4 seconds intervals followed by one quick blink then the sequence starts all over again. Any assistance will be greatly appreciated.

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RELEVANCY SCORE 65.2

Hi  We have purchased a Lenovo Yoga Laptop on 20.01.17. From 10th of April onwards , there is some issues with Laptop Power Button .We are not able to switch it on using power Button. We had a talk with call center executives, Senior Executives & service Head of Kolkata, but still there is no proper update. We are still in Dark .They are not able to provide any proper information about parts availability.Ticket Ref No. is 7007963157.As the Laptop is very high valued  & purchased on the month of Jan.We are in regular touch of Service Head since last week & he is still not able to provide proper info about the parts availability .NOw he says he is sending an engineer to inspect.THis is not at all acceptable.  Any suggestions Would be helpful.

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RELEVANCY SCORE 64.8

Hello,I have a problem with my lenovo T440P, it don't power on...I'm supsecting, I killed motherboard or the cpu...This is what happened :I wanted to change the HDD on an ultrabay, and I think I remove the battery then the HDD while the computer shuted down.. I believed the computer was stoped but I suspect he didn't...After that the computer didn't power up anymore and the power button was blinking three times...then turned off...What I did :I tried an hard reboot, pressing and holding the power button, nothing happend..I tried to remove battery and ac adapter, and retry, nothing happens..I tried to remove ram, allt he disks (ssd, hdd), wifi card, nothing happensThen I disconected the cmos battery for half an hour and...When I connected the ac adapter the power on button stay lights up, then brievly flash..I tried to hard reboot, pressing and holding the power button, nothing happend..I tried to remove battery and ac adapter, and retry, nothing happens..I tried to remove ram, allt he disks (ssd, hdd), wifi card, nothing happens Then I disconeted the cmos battery for half an hour and...When I connect the ac adapter the power on button stay lights up (without press it), then brievly turned of, and stay lights up...When I connect the battery and I press the power on button, same thing happens.. I never got beeps or sounds... What do you think about this ?Thank you 

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RELEVANCY SCORE 64.8

Hi, my daughter has the same problems with the flashing power button/not starting up anymore as described in numerous posts here on the forum. Lenovo said that they started up an investigation. But I haven't been able to find the outcome onof that investigation on the forum. So what are the findings on this annoying problem?

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RELEVANCY SCORE 63.2

My laptop is Dell Inspiron 15 5547.

4GB Memory
1TB Hard Drive
Intel Core I7 (Dont know what generation).

It happens when i open the laptop and fix the wire problem in WLAN. So I detached the parts in order...

Battery
Hard Drive
2x 2GB Memory Card
Fan
Keyboard
Monitor

The reason i detached the parts because the wire of WLAN runs thru the monitor and i cant get thru to fix it unless i remove the monitor. Now when i put all the parts back in the descending order, i just got a beep and i got no display it just blank, I listen very carefully and got 4 beeps fading. Can you help me? Don't know what to do.

A:Making Beep sound 4 times repeatedly, when I press power button and it wont Start

4 beep sound may indicate a Ram failure according to source : www.dell.com/.../en
Try and reseat the RAMs. Or try to use 1 RAM to check which RAM is having faulty.
Hope this helps.

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RELEVANCY SCORE 62.8

Please help my laptop suddenly stops working while I was working on it and when I try to turn on the led power flashs 3 times without I press anything just plug the charger and the battery was inside and fully charged not working on AC or battery I tried to remove the battery and RAM and also the CPU for a while and same problem

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RELEVANCY SCORE 62.4

My computer will not start. The power status LED flashes for a short time but nothing else happens - no HDD, no fan, and no display. What do I do?I google and follow some ans but issue not solved, what do i do plz help

A:Laptop will not start only power button light flash

Welcome to the Lenovo Community !
 
Sorry to hear of your problem.  What model do you have ?
 
Try clearing the CMOS to see if that will resolve the start up problem.  Just do this....
1. Unplug the charger / adapter. 2. Remove the battery. (If your model has a removable battery, not an internal one)3. Press and hold the Power Button for 15 seconds. 4. Re-install the battery, plug in the charger / adapter if needed and power up the system to see if the problem was resolved.

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RELEVANCY SCORE 62.4

HP G5246sc just beeps fast, and power button flash orangeIt doesnt boot into Windows.I can get to Bios , but I see nothing wrong there.I have tried disconnecting USB cables and DCROM and HDDWhen disconnecting HDD, it doesnt beep, but thats because startup halts and show no boot device on the screen.  

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RELEVANCY SCORE 61.2

HP Elitebook power button and caps lock continue to flash white light. I've tried all the solutions listed in the forum and none of them worked.

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RELEVANCY SCORE 60.8

After shutting down laptop the power button light remains on for a few seconds. Is it safe to close down laptop while the light is on even the though the laptop screen is black.Laptop is a lenovo ideapad flex 4.

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RELEVANCY SCORE 60.8

This is my first time posting; i was wondering if anyone would help me with my problem. I have a lenovo 3 2in1 14inch yoga series laptop and i have been very pleased with it up until now. Recently I have not been able to power it on with the power button. I think about 6 months ago, while in it's case I accidently bumped the side of it onto a desk, and every since it became increasingly more difficult to turn it on - I've had to apply more and more pressure to turn the  system on. I also noticed it had been more indented and pliable than originally but I gave no importance to it since I could still turn it on. This brings me to about a week ago when I could no longer to turn it on at all no matter how hard i tried. I wonder, short of short of getting another computer and since I have an an expired warranty, if I can find an easier solution to this problem. All possible solutions appreciated. Thank you!

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RELEVANCY SCORE 60.8

so I don't know what to call it,but the light of the power button is turning on and off when I accidently unplug,so I just wanted to know what that means.

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