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Lenovo Flex 3 -1580 WON'T START

Q: Lenovo Flex 3 -1580 WON'T START

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RELEVANCY SCORE 200
Preferred Solution: Lenovo Flex 3 -1580 WON'T START

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RELEVANCY SCORE 80

Hi, I was thinking of buying this hybrid:https://www.newegg.ca/Product/Product.aspx?item=N82E16834332513 And then upgrading it with this:https://www.newegg.ca/Product/Product.aspx?item=N82E16820250085 I'm not clear on whether this voids the warranty or not? As close as I can understand it, it "may" if I mess something up? I've opened at least 100 laptops without messing anything up, so I'm confident I can do it without damaging anything, but I have also seen motherboards and touchscreens die in the first year, and don't want to mess up that part of the warranty for an SSD upgrade. I figured I'd make sure it powered on, then shutdown, crack it open, install the M.2 SSD, clone everything over, wipe the old SSD once into windows, and then finally perform the product registration. (Which uploads all your hardware specs? So they'd know everything was A-Okay with the new drive in place?) Thoughts? Anyone got more info on how strict they are with self service?

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RELEVANCY SCORE 80

My screen has been plagued by yellowing in the corners but the digitizer is perfectly fine. I was wondering if anyone has any answers on whether or not you can just replace the lcd on laptop without replacing the whole screen/digitizer. the whole screen is 150 dollars and a lcd is just around 50-100. Also if you can point me to any part # or repair manuals that would be great. Thanks

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RELEVANCY SCORE 78.8

Can the device (USB 3.0 TO VGA/HDMI ADAPTER) with 2 external screens be used in Lenovo - Flex 4 1580 plus its own HDMI port to connect the 3rd screen?

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RELEVANCY SCORE 78.8

My old W8.1 Flex 15 has it in the apps, and I use it to blow out internal dust, and to also reset the battery condition gauge.  I see this Lenovo Utility listed in the add/remove programs area of the control panel of my Flex-3 1580, but can't find it elsewhere to get it to run.  How can I get this Lenovo Utility to open, and use its features.  Thank you.
 
Mod's Edit: System model added to the front of Subject line to improve visibility / clarity.
 

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RELEVANCY SCORE 78.8

I have had my lenovo flex 4 1580 for less than a year, and while I love it there seem to be problems. And I am a law student so this is causing me a lot of anxiety. In the last few weeks the computer has started to freeze, and requires me to physically press the power button to restart it. I have tried a system recovery before the installation of windows 10 creative, I have tried unistalling/reinstalling java, I continue to check my system for updates. I have disabled the background apps. I am not running alot just mozillafoxfire, microsoft word, spotity (maybe), google chrome, and that is about it. And yet the CPU and or memory will  just shoot through the roof and it will freeze. It feels like there is some big program running in the backgroud but I have checked the task master and I do not know what it is..... Now it says that the computer is plugged in and it is not charging...I have checked the conservation mode is off, I tried the settings airplane mode is off,  I do not see any other other problems...am I missing something. I am hoping that these problems can be fixed, quickly, 

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RELEVANCY SCORE 78.8

I have a Lenovo Flex 4 1580, I have enclosed a screen shot, it is "Plugged in and not charging" ? How do I fix this? I tried restoring to a recover point, a full system wipe and reinstalling windows, but so far nothing has worked. What do I do?


























Screenshot (228).png ?395 KB

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RELEVANCY SCORE 78.8

Hi,As soon as I switch my laptop, I can see the desktop top image with pink and fuzzy look. It stared with yellow dull screen at he beginning before the pink color shown up. The screen will be in dull yellow while I open chrome or any white background appllication. The pink clor comes up if I open a video or any other apps without white background. This also come in safe mode. I have done the graphic driver update and see the same problem. Dont know what is the actual reason. Please help me..!!

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RELEVANCY SCORE 78.8

I can not find link of update file for BIOS on official support site.Lenovo companion offers download BIOS update of another types laptops(YOGA 3), but I don't want do it. I think it's dangerous.What should i do? 

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RELEVANCY SCORE 78.8

Sometimes when I'm using my Lenovo Flex 3, the screen suddenly turns blue and it does not respond unless I hold the power button to force it to shut down. Here are some errors/stopcodes which I've also received on other occasions. Any suggestions/advice would be appreciated! Thanks

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RELEVANCY SCORE 78.8

I recently purchased a new Pioneer DDJ SB2 DJ controller. Upon downloading the neccessary software and firmware from Serato DJ and Pioneer, I connected my controller to my computer via usb cord provided by Pioneer. However, when I opened Serato to start playing around, a error message came up saying that my hardware was disconnected. I looked up support from Serato as I thought it was a software issue. I quickly realized it wasn't after going through all the troubleshooting steps they provided. I then asked my friend to try out the program on his computer (MacBook), to see if it was a software issue or a computer problem. As expected it instantly worked on his laptop without any issues. I determined it was a problem with my computer. I took it to Geek Squad so they could have a look. Unable to fix it, they believe its a Windows 10 issue. So now I am coming to Lenovo to see if they can fix this problem. I find it ridiculous that out of nowhere my computer can no longer detect a usb plug in from my iPhone, external harddrive, and DJ controller.  Has anybody else had these issues?Specs: Windows 10Version 1607Intel Core i78.00GB RAM64-bit operating system

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RELEVANCY SCORE 78.8

Right now I have a problem with the w key on my laptop key board.  For all the other keys it registers a press when you feel the key give way.  However for my w key you do not have to press it, only rest you finger lightly on it and it will register a keystroke.  This is a problem for me because I rest my finger on W S and E all at the same time which leads to a lot of random w's throughout my typing.  Let me know if there is anything I can do other than replace my keyboard.

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RELEVANCY SCORE 78.8

Please help! I've been using sleep mode for pretty much the entire time that I have had this laptop (one month plus).  This is the first time I sent it into sleep mode for the evening and awoke the next day to find that the laptop refuses to wake up.  The keyboard will light up merrily along with the power button, but the screen will not turn on.  The fans are also running full tilt.  I can hear them running loud and clear, which is abnormal as during normal operations I cannot hear this machine running at all.  After having a jet engine for a previous laptop, this was one of my favorite features of the Flex 3. I have tried doing a ton of different things to get the laptop to wake up again including power resets and using the Novo button.  Nothing has worked.  If I could get at the battery and motherboard battery without voiding my warranty, I would.  My only solution is to try to run the battery down by leaving it on with the keyboard lights as bright as they will go and let the fan run like a jet engine.  Hopefully this will drain the battery in faster than the 4 days that everyone else was reporting.  Anyways, I don't know how everyone's Flex 3's lasted that long on battery anyways.  Mine kept turning itself on. The point of this post is to ask what I can do so that this issue never crops up again.   I love this machine, but if this becomes a recurring problem, I'm going to have to can it and g... Read more

A:Lenovo Flex 3 1580- Will Not Wake Up from Sleep Mo...

Have you tried updating the BIOS for your model yet? I have the same one and had problems with it never waking up from sleep. Haven't had a problem with it since the update though.

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RELEVANCY SCORE 78.8

Hi all, I recently upgraded my Ideapad Flex 4 with a new SSD, and shortly after began noticing random shutdowns, black screens, and failure to POST (it looked as though the BIOS had failed to initialize entirely, as the screen/keyboard backlights did not turn on). These symptoms often happened after the laptop incurred some form of shock, IE: picking the laptop up, setting it down, opening/closing the screen, or even simply tapping lightly on the keyboard or chasis. However, if the laptop were left completely undisturbed, these symptoms would not occur often. I tried literally everything I could imagine short of buying a new motherboard. I reseated (and then replaced) the RAM, I removed the batteries and let it sit overnight, I even tried flashing a new BIOS rom. After all that, I switched the SSD with the original HDD, and it works fine now (actually a little better, because the embedded controller had needed resetting for a while, but I hadn't gotten around to it until then). I wasn't aware that a simple SATA SSD could cause a laptop to fail to POST. As this happened several times over a couple of days, is there any chance of long-term damage to the MOBO/BIOS i should watch out for?

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RELEVANCY SCORE 78.8

I recently purchased a new Pioneer DDJ SB2 DJ controller. Upon downloading the neccessary software and firmware from Serato DJ and Pioneer, I connected my controller to my computer via usb cord provided by Pioneer. However, when I opened Serato to start playing around, a error message came up saying that my hardware was disconnected. I looked up support from Serato as I thought it was a software issue. I quickly realized it wasn't after going through all the troubleshooting steps they provided. I then asked my friend to try out the program on his computer (MacBook), to see if it was a software issue or a computer problem. As expected it instantly worked on his laptop without any issues. I determined it was a problem with my computer. I took it to Geek Squad so they could have a look. Unable to fix it, they believe its a Windows 10 issue. So now I am coming to Lenovo to see if they can fix this problem. I find it ridiculous that out of nowhere my computer can no longer detect a usb plug in from my iPhone, external harddrive, and DJ controller.  Has anybody else had these issues?Specs: Windows 10Version 1607Intel Core i78.00GB RAM64-bit operating system

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RELEVANCY SCORE 78

I have received two updates from Windows Update in settings on Windows 10. They are for the Flex 4-1580 and they are Lenovo Firmware 2.22.0, which released on 2/23/2017,  which failed to install, and Lenovo Firmware 2.23.0, which released on 3/24/2017, which failed to install as well. I was wondering if anyone has faced the same issues, and if so, how you may have gone about to resolve it. 
 
 
Thanks.
 
 
Moderator comment: Model added to subject for clarity.

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RELEVANCY SCORE 78

Hello all,

I have a problem installing windows 7 on my new windows 10 laptop. I find it very weird how I change settings in the BIOS to support all legacy stuff like windows 7 and I try to boot from USB all the way to dvd and nothing works. What I mean is when it is done booting, it says " No drivers were found" and there's not a hard drive for me to choose windows 7. It's weird though because there are windows 7 drivers on the official support page, yet I can't install it?

I just need to see a hard drive listed but nothing pops up, and yes I've formatted it already using diskpart.


Thanks

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RELEVANCY SCORE 78

I have a lenovo flex 3 1580 80r4 laptop the one with the nvidia 940m graphics card, this one -> https://www.cnet.com/products/lenovo-flex-3-1580-80r4-15-6-core-i7-6500u-8-gb-ram-1-tb-hdd-80r40007u...  anyways my daughter got a few drops of something sticky (soda) under the keys, it wasnt enough to damage anything, but now a few of the keys are a bit sticky when u press them, my question is how do you remove the keys one at a time without breaking them, i heard laptop keys are easy to break, and im pretty sure there is some kind of clips holding them, anyone know? thanx

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RELEVANCY SCORE 78

I recently purchased this laptop and did not spend any time playing on the keyboard prior to the purchase.  I am now regretting this purchase as I cannot understand nor adapt to the right shift key not being in the standard location. Why would Lenovo design a keyboard that would not be conducive to touch typing? I cannot seem to change my 45 years of touch typing experience to accomadate this major change.  It makes no sense.  Is anyone else having this issue and what if anything can be done about it?  

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RELEVANCY SCORE 78

Hi all, Last night, I managed to power on an old Flex 3 15" that I had lent to a friend. When it started booting, it prompted me to press a key to skip disk checking. Being curious as to whether the laptop has a HDD issue or not, I let it run. It now has been over 24 hours, and without a progress-bar, I'm not sure if it is stuck or is actually working. I'm not sure as to how much data is on the drive since he returned it to me without giving me his password. Any suggestions as to what to do?

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RELEVANCY SCORE 78

I've searched the Lenovo site and can not find the replacement part number for my laptop (Flex 3-1580, Model 0007US, Machine Type 80R4, SN R90HAFJB) digitizer screen.  Can anyone provide me with a link to the part needed and a video/pdf on how to do the replacement? Thanks 

A:Lenovo Flex 3-1580 digitizer screen replacement

Hi there, the part number for the digitizer assembly is 5D10K42174, here's one on eBay; http://www.ebay.com/itm/5D10K42174-Lenovo-Flex-15-6-FHD-LED-LCD-Touch-Screen-Glass-Digitizer-Assembl...
 
Refer to the HMM (pg 59) for instructions on replacing the screen: https://download.lenovo.com/consumer/mobiles_pub/lenovo_flex_3_1480_flex_3_1580_hmm_201509.pdf
 
Plus, here's service training videos: http://lenovolearning.bhivesoft.com/bhive/t/1004/course_launch_frame.jsp?id=8173
 
 

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RELEVANCY SCORE 78

Hello everyone. I must say that it is a lovely laptop but the touch screen issue is making me very upset. I called  Lenovo and Microsoft support and those people doesn't even have a bit of knowledge. Many incertain process and lot of doubts in them. But it can't be a hardware problem. I bought it 1 week ago and when I opened the factory sealed box the touch screen worked perfectly! And a few hours later would stop working. No pen and touch input available, no hid compliant touch screen in device manager. I read almost every thread about this complain in this forum. Tried everything without success. The laptop is 99% good.. But without the touch screen is like trash. Hope someone can understand and if there's a solution, please tell me and I beg you send me specifics links or specifics procedures, please don't tell me "go to support.lenovo.com"  or "do a system recovery or windows 10 update", etc. Thank you. 

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RELEVANCY SCORE 77.2

Dears, my laptop has 2 adjacent Bright Pixels+ overall Yellowish Screen on White Background, is the yellowish screen normal on all lenovo flex 3 laptops? can my screen be replaced with 2 bright adjacent pixels, below attached pictures for the yellowish screen and bright dots ??

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RELEVANCY SCORE 77.2

In the last saturday I turned off my notebook normally. Since today (monday), I press power button, the led power indicator stay on for five minuts, after that it power off. Nothing is showing on the screen. When I plug the AC Power, the AC Power indicator stay on, but every ten seconds it flash. Anybody else had this problem? Is there something that can I do, like battery reset, hard reset, etc.? Thanks,

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RELEVANCY SCORE 76.4

Help Lenovo Flex 3  1580 80R4 screen is constantly going black when the computer is still on forcing me to reboot all day long while trying to work.  Hard boot, resetting battery usage and screen dispay setting have not worked. It has done this since the day I got it nothing I have tried stops this HELP!!! Is there a download or something as a fix??

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RELEVANCY SCORE 76.4

I accidentally deleted my nvidia graphics drivers, and the latest version doesnt work. Knowing the drivers which came with the computer will let me re install them. Thanks.

A:Lenovo flex 3 1580 Nvidia graphics drivers fabric version

You might check to see if the earlier drivers are still present on your system by doing the following Right-click on StartSelect Device ManagerLeft-click on Display Adapters to expand.Right-click on your display adapter, and select Update DriverSelect "Browse my computer for driver software"Select "Let me pick from a list of available drivers on my computer"This should provide a list of drivers previously installed on your systemTo switch to one of them, choose an older driver and click Next.It would be hard to know exactly what driver was installed when your system was new, because Lenovo does not provide release notes for its drivers as its certifies them, but older drivers for the Nvidia 940M card should be available from Nvidia, as well as newer driver versions that those release by Lenovo that may resolve your problem. which can be found here https://www.geforce.com/drivers Good Luck,     

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RELEVANCY SCORE 76.4

respected all,lenovo companion not working properly after upgrade to Windows 10 v 1703 (creator update)its shows errror even after update of system interface foundation driver Modle no: flex 3 1580 type 80R4system interfae foundation driver v 1.0.76.0lenovo companion v 3.72.1.0Windows 10 - 1703  requsted to all please informe me if any has fix for above issue.i had attached screen shot for above reported problem too. thank     

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RELEVANCY SCORE 76.4

After one year of use, lower left display cover popped open and will not remain snapped shut. Can this be repaired?

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RELEVANCY SCORE 76.4

I just purchased a Flex 3-1580 3 days ago. Last night, I used it and it was just fine. This morning it was plugged in and the light was on next to the power button, but it would not start. I tried moving it to a different outlet, and the light went off when I unplugged it. Now, when it's plugged in, the light doesn't even go on, machine won't start. Holding the power button for 60 seconds shows no response either.HELP!!I have homework to do over the short holiday break!











Solved!
Go to Solution.

A:Flex 3-1580 will not start, no light when plugged ...

Same thing happened to me. After two weeks, my laptop just went black while watching a video. From then on, it won't start. Tried everything, I even thougth it was a problem with the screen, but I tried to plug a HDMI to it and still nothing.
What am I supposed to do? And on top of it, right now I'm outside the US (in Panamá) and no one here seems to respond as Lenovo Representant ... Please help!
 
 
Mod's Edit: Removed corrupt script link from posting.

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RELEVANCY SCORE 74

CAN MY LAPTOP INSTALL A REMOVABLE CARD FOR THE BETTER PERFORMANCE!!!PLEASE HELP ME LENOVO SUPPORT COMMUNITY!

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RELEVANCY SCORE 74

CAN MY LAPTOP INSTALL A REMOVABLE CARD FOR THE BETTER PERFORMANCE!!!PLEASE HELP ME LENOVO SUPPORT COMMUNITY!
 
removed serial number per forum rules - mod

A:LENOVO FLEX 3 1580 LAPTOP Serial Number: xxxxxxxx Machine Type Model: 80R40007US

Are you asking about memory?  SSD?  Other?

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RELEVANCY SCORE 65.6

MY computer had been acting very slow for a while and nothing would start up, and if it did it would take literrally five minutes. Now it will not go to start up screen and it will stay on a black screen. I can move the mouse and I can see the mouse arrow, but no matter how long I wait, it just stays there. Any ideas on what to do?

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RELEVANCY SCORE 65.6

MY computer had been acting very slow for a while and nothing would start up, and if it did it would take literrally five minutes. Now it will not go to start up screen and it will stay on a black screen. I can move the mouse and I can see the mouse arrow, but no matter how long I wait, it just stays there. Any ideas on what to do?

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RELEVANCY SCORE 65.6

Hello my name is Dylan and I need some help with my laptop. I tried to contact Lenovo with an e-mail but I don't know how, so I am posting on here for help. I would just like to know how to fix my laptop to get it working right.tuallySo, when I start up my laptop, the keyboard lights up, the fan turns on, and the screen turns on but is all black. The Lenovo logo does not come up. There are usually small beeping noises that keep going. The only thing I can access is actually the Boot Menu / App Menu, but I cannot find a way to get my computer to work as normal. I usually run Windows 10.

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RELEVANCY SCORE 64.8

My two year old Flex 2 suddenly wont turn on.   The power button lights up and the fan starts but the screen remains black.  I have let the power drain completely (you cannot remove the battery)  pressed the power button for 15sec x 4 then connected to the charger and still a blank screen.   the last timed I did attempt a "hard restart", everytime I held the power button a loud bleep occured which stopped when I let go of the power button.   Its warranty has expired and im not very knowledgable.  I am happy to send it away to be looked at, just dont know the best place to send it in the UK.  Any help?N

A:Lenovo flex 2 will not start, Blank screen

Hi Nigs,
 
Welcome to Lenovo Forums.
 
I would suggest you to visit the nearest Lenovo service centres for further assistance.
 
Good luck  Let us know how you get on.     
 
Regards,
Shashi
 
Tap that kudos button if I helped  If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! 

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RELEVANCY SCORE 64.8

I'm out of ideas at this point. My laptop has essentially become a brick. Lenovo Flex 15 Ideapad (20309)Windows 10Bios: 8ACN08WW (8/22/2013) For months now my laptop has taken anywhere from 2 minutes to over an hour to start up or wake from hibernate.  I have run numerous Windows Updates and have not found a fix.I have run the Lenovo Solutions Center and have not been told to download anything.I have gone into the Bios and enabled the roll back feature with the thought that I'd "flash the BIOS". But there is no prior BIOS firmware on the Lenovo site for this model laptop. At least that I could find.The latest attempt to fix this issue was me installing the ACPI driver found here. That did not fix the slow start up, in fact it made things worse. When the OS did come to life, none of my services were running. I could not connect to the internet as the NIC services were off. I could not run diagnostics as those services were off. Everything was off. I am not sure why. Last night I 'Shift' + 'Restart'ed my laptop, attempting to enter Safe Mode. Nothing happened. I then decided to enter the BIOS one last time and selected the "System Recovery" option. Since then, my laptop has not turned back on. Instead, the power button attempts to Start Up, but never even gets to the Lenovo screen. I just see two LEDs on the front of the laptop. What, if any, are my options? I just want a laptop that turns on in a reasonable amount of time. I do not ... Read more

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RELEVANCY SCORE 64

I recently tried to reset my Lenovo flex 3 back to factory settings, which is about a year and a half old, and instead of resetting it froze. I tried to restart the laptop while it was frozen, which seemed like it worked, but after a couple minutes I saw that it wasn?t making it past the logo screen. It just continuously restarted itself up until the logo screen, blacked out, then started again. How can I get my computer up and running again???
 

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RELEVANCY SCORE 61.6

Hi everyone, nice to be  a new member here. I'm currently using a Flex-15, that has been doing OK over the last few years, aside from ghost touches early on, then the touch screen died (still using 8.1).  Thinking of getting a Flex-3  80R40011US (i7/256 SSD/M940), but many reviews seem not so kind, and I am really torn about what to do.   I really like all of the features of the Flex-3, but reading of the black screen/shutting down issues, bad battery life, etc has me concerned.  The black screen shutting down is really a concern, even say after reading potential fixes here, and worried I will have a computer that can not be made to work properly...  Really don't want to get into a mess, right off of the bat, and can't afford to take a 15% restocking fee plus return shipping.  Is this issue over represented here, or do all owners experience this issue?  Is there an absolute 100% fix for this issue? Also would like to know about the display quality.  I had a 17" Y700 that had a golden cast, and despite a lot of fidling and BIOS update, it could not be corrected...  I hated it to be frank, and wonder if this type of issue, and/or other display issues are found in the Flex-3, with the 15.6" display? Thanks a lot for your help and insights, look forward to your replies.   

A:Flex-3 1580 - Buy or not to buy...

Hi everyone, nice to be  a new member here. I'm currently using a Flex-15, that has been doing OK over the last few years, aside from ghost touches early on, then the touch screen died (still using 8.1).  Thinking of getting a Flex-3  80R40011US (i7/256 SSD/M940), but many reviews seem not so kind, and I am really torn about what to do.   I really like all of the features of the Flex-3, but reading of the black screen/shutting down issues, bad battery life, etc has me concerned.  The black screen shutting down is really a concern, even say after reading potential fixes here, and worried I will have a computer that can not be made to work properly...  Really don't want to get into a mess, right off of the bat, and can't afford to take a 15% restocking fee plus return shipping.  Is this issue over represented here, or do all owners experience this issue?  Is there an absolute 100% fix for this issue? Also would like to know about the display quality.  I had a 17" Y700 that had a golden cast, and despite a lot of fidling and BIOS update, it could not be corrected...  I hated it to be frank, and wonder if this type of issue, and/or other display issues are found in the Flex-3, with the 15.6" display? Thanks a lot for your help and insights, look forward to your replies. 

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RELEVANCY SCORE 61.6

Hellow!)Can I upgrade my Lenovo flex 3 1580 with M.2 SSD ?

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RELEVANCY SCORE 61.2

Lenovo Flex 3 1580 I've tried multiple lenovo AC adapters and the laptop still won't charge. It's got about 4% battery left so it's turned off atm. I tried uninstalling and reinstalling the battery drivers, but that did nothing. The charging light won't come on, the only light is the low battery light. The battery is the built-in kind so taking it out isn't an option. I don't know what to do, someone please help.

A:Flex 3 1580 Won't Charge

I'm having the same problem! Mine's down to 0% so it has to constantly be plugged in. I'm really hoping someone can help with this!

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RELEVANCY SCORE 61.2

My laptop has recently been unable to power on. Initially this started with the power button falling out of place, but that issue was fixed by a successfull re-solder of the button onto the board. In the process i seem to have pulled out 2 wires out of the speaker connector dont know if this actually affects the power cycling. Now the laptop doesnt power on still. I have tried the following: - Removing the BIOS battery, and unit battery then plugging in the AC adapter. Once i plug in the adapter the machine powers on immediately, but it never successfully starts up. The screen stays black and the machine trys to boot up but nothing even happens. This is also accompanied by the CPU fan spinning up, and then the fan turns off after about 5s. -Have tried powering on the device with just Adapter and bios battery, yeilds no results. -Tried a normal power on with all battries in, and adapter in.  Basically tried everything in this link and nothing worked https://www.urtech.ca/2015/10/solved-lenovo-flex-3-flashing-power-light-but-will-not-power-up/

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RELEVANCY SCORE 61.2

I am running a Flex-3 1580 with Windows 10.  I don't know if it is a hardware problem, Windows 10, problem or the combination of the two, but my system uses all of my 8GB of memory and locks up 2 to 3 times a day requiring me to force power off in order to resume processing.  Am I going to have to get more memory or is something else going on that I need to fix?  Lenovo Solution Center says that all is well with the system.

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RELEVANCY SCORE 61.2

Hello everyone, I'm new here and I come with a problem. My flex 3 just stopped working, anytime I turn it on it shows the Lenovo start screen then goes black and shows the Lenovo start screen and goes black and the process goes on and on irrespective of the power source. Can someone please help me?

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