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Yoga C930 and Y740 screens tints red and brightness goes down

Q: Yoga C930 and Y740 screens tints red and brightness goes down

My C930 screen randomlyl tints red and the brightness level goes way down. To fix it I go to display settings and change the scaling. That fixes it, so I then change the scaling back to what I had. Is this a hardware problem? The problem also occures on my Y740 notebook. It's very annoying. I have all the latest updates installed. Both systems are running the latest Windows 10 Insider build. This problem does not occur on other systems I have that run Insider builds.

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RELEVANCY SCORE 200
Preferred Solution: Yoga C930 and Y740 screens tints red and brightness goes down

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RELEVANCY SCORE 82.4

Hi, I encounter a strange situation. When I unplugged the laptop from the AC adapter, the screen became brighter. Plugging it to the AC adapter dimmer the screen. How come? Shouldn't it be the other way around?

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RELEVANCY SCORE 73.6

I noticed when i watch netflix or other platforms, the display changes (brightness/contrast changes so the scenes appear redder) and almost as if the someone is switching the lights on and off in the actual show. But on other displays such as my phone, the colors are fine. I tried changing my battery plan, turning off the adjusting brightness, and disabling settings in the intel graphics settings. Nothing seems to do the trick! super distracting to watch a show and see the whole screen flicker every few seconds.

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RELEVANCY SCORE 64

I have looked at all recent (2019) topics and so far none have fixed my issue. I just purchased a C930 and it looked much brighter in store than it does at home. My screen brightness is maxed out. I tried taking power saving mode off, using Lenovo Vantage--including checking for updates, and nothing has worked. If this is as bright as it can go, I'll have to switch over to another brand, which is something I definitely don't want to do. ANY help is appreciated so I can keep the computer! Also, whites appear to be offwhite because of brightness issue.

A:C930 Screen Brightness Too Dark

So after restarting the computer, the screen suddenly brightened. I'll leave this open for the moment to make sure it stays brighter, but hopefully this will help a new buyer and their issue of this.

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RELEVANCY SCORE 61.6

Hi, I am looking for a laptop with a 4K screen. According to the specs, the X1 Carbon Gen 7 and X1 Yoga Gen 4 will have 51W battery. Does that mean even they will get the latest cpu (which some said there is not much different), they will have shorter battery life than the current Yoga C930 which has 60W battery? https://www.ultrabookreview.com/24380-2019-lenovo-thinkpads/https://www.ultrabookreview.com/24458-lenovo-yoga-c930-review/ 

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RELEVANCY SCORE 61.6

Hi, for the X1E, before replacing compoents, it is suggested on the manual that we need to go to the BIOS to disable the battery first. How about the 4K version of Yoga 730 15" and Yoga C930?

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RELEVANCY SCORE 60.8

Hi, I keep getting conflicting information. Has anybody tried the Lenovo Pen Pro on these laptops? Are they fully compatible with each other? https://www.lenovo.com/ca/en/accessories-and-monitors/pens-and-supplies/pens/TAB-ACC-BO-Lenovo-Pen-P...

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RELEVANCY SCORE 60.8

Hi, I noticed that when I took the laptops out from a computer bag and immediately flipped them over into a tablet, the login screen showed up with a prompt to enter the password. However, virtual keyboard did not show up. I had to turn the laptps to laptop mode, entered the password and then flipped them back to tablet for the machines to function. This has happened to both my Yoga 730 15" 4K and Yoga C930 4K. Why? Perhaps it is not the virtual keyboard not showing up but the touch screens did not respond? Is this a common issue for the Yoga line?

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RELEVANCY SCORE 60.4

Hello there, I need help please! I can't fix the screen brightness. It appears to be stuck on full brightness which draws my battery life quickly and hurts my eyes during nights. The brightness button in the action center is missing, there is no brightness slide bar in the display setting nor in control panel, and brightness fn buttons in the keyboard are not working as well. When I click on the battery icon, there is a brightness button next to the battery saver button but also not working (not even clickable).I searched online and I tried:- updating/reinstalling/rolling back display drivers- resetting pc (reinstalling windows)- many other little repairs College is starting soon and I really need my battery life and I will be studying on my laptop in late hours so this brightness issue is a big trouble for me    


























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RELEVANCY SCORE 59.6

My screen brightness using FN+F11/F12 and also in the advanced power settings slider won't adjust the screen to anything other than brightness and minimum or brightness to 100% when I move the slider.  It shows the percentage moving up and down, but the screen stays 100% until I'm on the lowest setting,  then it goes right to minimum.  I received a bunch of Lenovo updates on the first Wednesday of this month and I've had several issues since then, I tried reverting back to previous drivers, but it made no difference, so I'm back on the latest drivers.

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RELEVANCY SCORE 57.6

I bought my ThinkPad X1 Yoga for around $1600 CAD with 2 years on-site warranty. The Yoga C930 is usually around the same price or more expensive, but the yogadays promotion right now made the base model $200 cheaper even with 2 years on-site warranty. Would you guys say that at $200 cheaper, the Yoga C930 is worth it? It has dual fans and a bigger battery, those seem to be the main advantages. 

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RELEVANCY SCORE 56.4

I recently purchased the Yoga c930 to mainly draw on the go and do artwork in various apps and programs (mainly Photoshop, SketchBook, and Krita). However, this 2 in 1 is unable to download the wacom feel it driver ( I get a message saying that the wacom driver is not compatiable with the computer/tablet, which is wierd because the pen uses wacom aes technology) and I am having trouble with getting pressure sensitivity to work in almost everything I have tried to draw in. I even tried to change setting within the programs themselves, but the only one that really worked was Photoshop. Krita and Sketchbook still have no pressure sensitivity. There is also a Lenovo Pen Settings control panel for pressure sensitivity, but it does not really seem to make a difference in sensitivity when I change the settings there. Any suggestions as to how to get the pressure sensitivity to function properly on this computer would be greatly appreciated. I really don't want to have to return the laptop and get the Yoga 720 13" becuase this computer is really nice otherwise, but I'm starting to think that may be the only option if I want to have a better drawing experience.

A:Yoga C930 Pen Pressure

You are using a Yoga Book c930? Or a Yoga c930? Doesn't sound like you have the Yoga Book (This is the Yoga Book forum) based on the replacement laptop you would get.

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RELEVANCY SCORE 56.4

Hey all, just wondering if anyone has solutions for the pen failing to eject in a brand new c930? The pen ?clicks? when you press it but does not eject beyond a mm or two (so you can?t grab it).  Wondering if if there are any obvious solutions or if I should just return and get a new one.  Thanks!

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RELEVANCY SCORE 56.4

Hi!I just got my new Yoga C930 yesterday and im not sure the space key should look/feel like this. It don't have any travel distance, it's feels like a touchkey. Is it normal at this product? I'm uncertain, it's my first laptop. I made a picture from it. It's height its a little bit under of the others.

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RELEVANCY SCORE 56.4

Hello, I recently purchased a Yoga C930 (less than a week ago).  I had a few screen glitches and just thought it was normal for a new computer that hasn?t really run yet but today I turned it off and now it will not turn back on.  If I press the power button, the keyboard backlight turns on for about a second and sometimes the fan turns on but then it immediately turns back off.  This repeats itself every five seconds until I hold the power button and it turns off again.  Has anyone had a similar issue or know a possible solution?  I have tried to reset but there is no physical Nova button and I cannot access the Nova menu since the computer does not get that far when turning on.

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RELEVANCY SCORE 56.4

The pen that comes along with the Lenovo Yoga C930 isn't working on my laptop. The battery shows full and I barely ever use the pen but I have many plans of starting to use it. It really saddens me that I left an HP laptop for a Lenovo just to come to this problem. It has only been 1 month since I've bought this laptop and I barely use the pen but then it doesn't work anymore. There was a time where I didn't charge the pen for a whole week but I put it back and didn't touch it ever since. It's impossible that anything could have happened to the pen because I left it in a drawer. The touch screen works perfectly fine.... I don't know what to do and I am really really sad/disappointed. I need help with this if anyone can let me know of anything I can do or what's wrong? 

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RELEVANCY SCORE 56.4

Hello everyone! So after going back and forth which laptop i wanted i finally ended up getting a Yoga C930 which feels MUCH better compared to the 730 i had for about a day. The only concern i have for it right now is the fan noise is noticeable. I updated all of the drivers and did all of the windows updates, but it seems the fan is much more audible compared to the 730 i had. (I used the windows app and Driver Easy to do this) It's not entirely annoying but i do notice it. I also notice the laptop tends to get a bit warm. I know its only been a few hours but still its something i've noticed.  This is the exact one i purchased from Best Buy I've also noticed the Dolby Atmos Speaker System app apparently isn't compatible with my device? Also looking if anyone has recommendations on which usb c dongle to use so I can connect extra USB, display, and memory card reader? Some of the ones I?ve found on amazon don?t exclusively list if it works on the yoga c930

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RELEVANCY SCORE 56.4

Hi We've problem with the Yoga C930, that's gets very hot when it's charging, both on the bottom and on the top in front of the soundbar, and we can also feel the heat between the kyes. Is there a known solution to this problem?  It's a new pc, and all drivers are up to date including the BIOS.  Best regard Simon

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RELEVANCY SCORE 56.4

Hi all, I ended up exchanging my C930 because of this and the new unit came with a Western Digital SSD, which is either slow or faulty or windows defender is slowing things down for no apparent reason. Could C930 users post their crystalmark results here? The crystalmark utility is now available from windows apps.  Thank you!

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RELEVANCY SCORE 56.4

Just wondering if anyone knows of any good USB-C chargers that I can use with my C930. I'm looking to leave one at home and pack the other in my backpack for charging on the go

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RELEVANCY SCORE 56.4

Hi All, I got new laptop YOGA C93013IKB Glass 2 days ago, but I noticed that Laptop temperature is very high specially while charging or playing simple games like asphalt 9.  I opened Lenovo vantage and downloaded the latest battery firmware and BIOS update but still I'm facing this issue. Anyone can recommend a solution for this  

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RELEVANCY SCORE 56.4

I purchased a Lenovo Yoga c930 last week and it got delivered today. I have been experiencing issues with the sleep and power options. As soon as I click the button to eject the pen, the laptop goes into sleep mode where I have to sign in again. The situation gets worse because sometimes the laptop would shut down randomly when the pen is ejected out or it is inserted back into the laptop. Does anyone have a solution for this issue or anyone faced a similar issue? I have checked the power options and I have set the power and sleep option as never. 

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RELEVANCY SCORE 56.4

I have the YOGA C930 (not YOGABOOK) and i am looking for the replacement for the included pen.I've searched everywhere i could not find it even in the lenovo store.Does anyone know where to buy it or order it?Thanks in advance for the help.

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RELEVANCY SCORE 56.4

I've got problems with brand new Yoga c930. Getting BSOD all the time and it restarts. On the attemps to recover or reset the system same thing happens just BSOD. I'm able to boot live Ubintu from USB, however when I try to boot recovery Windows USB that I downloaded from Lenovo it wont boot. I can see it in the Bios/Boot menu, I changed the boot order to start USB first, disabled Secure boot, but still the machine not booting from the recovery USB. Any suggestions?

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RELEVANCY SCORE 56.4

I have a brand-new Yoga C930 2-in-1 with a 1TB SSD and 16 GB RAM, which I'd like to run Ubuntu Linux on. I can't manage to boot from a USB (type A) pen drive yet, though. I managed to enter the BIOS (via this hint) and the "Boot from USB" option is "Enabled". When I exit the BIOS, though, saving the changes, having the USB pen drive plugged-in into the USB-A slot, Windows is booting up just normal. No USB boot happens, no boot menu is shown. Also, the usual pressing of buttons such as F2, F11, F12 or Del doesn't result in anything being shown from the BIOS. How do I boot from a USB drive then? Obviously, when there is a related option in the BIOS, it should be possible, shouldn't it?

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RELEVANCY SCORE 56.4

Greetings,the docked pen is not charging. It was about 60% charged out of the box but obviously ended up empty a couple of days later... I updated all kind of drivers but to no avail. Thing refuses to charge. Any suggestions?THXmx

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RELEVANCY SCORE 56.4

My lenovo c930 (not the smaller book model) did not power on last night. When i would press the power button the computer would make a stange noise, kind of sounded when a car will not power on when it has a dead battery. However, when i pluged in the charger it powered on. The battery was not dead as when the laptop powered on the battery was about 30 percent.. i just bought this laptop 17 days ago, this is quite fustrating.. The device seemed to have a couple bugs the first couple days of use but i didnt think much of it when it went away.. i hope lenovo can take care of the issue..

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RELEVANCY SCORE 56

Hello all,about 2 months ago I accidentally put a lot of Coke on keyboard of my brand new Lenovo. Now the key ?N? is no more working, I know if a stupid question but do you have any advice for me? I use my laptop for work and I can?t wait too many time for repair it, Best Buy asked me for 2/3 weeks. could someone help me! I m desperate... Thank you guys...

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RELEVANCY SCORE 56

I just purchased a new Yoga C930 with an integrated camera.  I have changed all the settings I can think of to activate the camera to no avail. I have uninstalled and reinstalled and still I cannot use the camera. Any suggestions?

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RELEVANCY SCORE 56

I've been using the C930 since February and recently I've noticed that the laptop gets very, very hot towards the top of the keyboard, below the soundbar.  This happens just when the laptop is on, even when I'm not doing anything taxing at all (e.g. watching a youtube video).  Is there a bios update or something that I need to reinstall or something?  It's very concerning. Related issue:the device seems to turn on when i store it away while the lid is closed and it is sleeping.  when i take it out of my laptop sleeve it feels slghtly warm to the touch.  

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RELEVANCY SCORE 56

Dear Expertsi have purchased a yoga c930 the 512 SSD versionit comes with 1 large "c" drive and a recovery partitioni usually prefer to make a system partition "C" and another partition for my personal files and data "D" for instancebut i had a previous bad experience with a g500s ideapad lenovo unit, where by partitioning the OKR and recovery functions were lostsothe question isare there any precautions to split the C into to partitionsand would this affect the recovery function if needed in the future

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RELEVANCY SCORE 56

I bought my wife a Yoga C930 for Christmas. It worked fine for a couple weeks. Then it sat for a few days used and when she went to use it again yesterday, it would not turn on. It should be fully charged as it had been plugged in. When you push the power button, the LED turns on, but the computer does absolutely nothing. It does not boot, or even go to a post screen. The display does not turn on, the fans don't turn on.....nothing. If I hold the power button for about 10 seconds, the led will go out, and it will turn on if I press again, but the computer never boots.  Any suggestions? 

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RELEVANCY SCORE 56

My first ever Lenovo laptop is coming next week and I am so excited because it has been a big investment for me!! I hope to make it last at least throughout college, and since I can be kind of klutz, I?m already looking into what protective measures I can take. I found a lot of cases on amazon, but the main design flaw seems to be that they don?t allow the laptop to go into tablet mode, which is a bummer since the reason I bought a 2-in-1 is for doodling. Anyhow, I?m just curious as to what other Yoga users or what recommendations there is. Thanks in advance! 

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RELEVANCY SCORE 56

i just bought the new c930 (not yoga book but the yoga c930 ) and i installed all upadtes etc but i have not been getting the battery i expected. when i scroll my mouse to the battery bar, it constantly shows around 6-7 hours on full charge. all i am doing is web browsing. Is this normal? i expected to get around 9-10 hours for the web browsing. Also keep in mind i am on better performance so not the best performance or anything. Ya if i lower the performance even more i might be able to get a little more but i dont think thats normal. I dont have the 4k version either just the regular. If this is expected then fine but i am not sure.

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RELEVANCY SCORE 56

From review videos, it looks like it wobble quite a lot. Perhaps those are demo units. How about real consumer units? Is the hindge loose or fairly rigid? Does it wobble if you use it on the bus or subway?

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RELEVANCY SCORE 56

I recently purchased a Lenovo Yoga c930. When I use Cortana or anything else with voice detection, the microphone works. But as soon as I record video on the Camera app, it stops working. A lot of times the video appears to be only 1 second when the recording was on for much longer. How can I solve this?

A:Yoga C930 microphone problems

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RELEVANCY SCORE 56

All the testing I have done shows no Intel Thunderbolt 3 software or drivers installed under the standard current updated Lenovo configuration.  The Intel Thunderbolt control centre from the MS Apps store will not install also. The Lenovo support want me to re-image my 920 and C930 but this appears to be a waste of time if the required software for Thunderbolt 3 port does not exist and if the required Intel Thunderbolt controller chip is not installed . The Thunderbolt icon also does not appear when a thunderbolt device is plugged in.  The bios does not have the required Thunderbolt security settings options either. All of this makes me doubt that the claimed 40 gps Thunderbolt 3 ports are anything more than conventional 5 or 10 gps USB 3-c ports as that is what they appear to be setup as by Lenovo  I hope i am wrong. The required drivers are clearly visible in other similar specification Thunderbolt 3 computers e.g. HP spectre X360 but do not appear in the Lenovo C930 and 920

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RELEVANCY SCORE 56

I just purchased a Lenovo Yoga C930, and the Pen doesn't charge in the dock unless I push the pen all the way to the bottom of the dock (and only if I'm putting the pen in, not taking it out), and even then it only charges up to 50%.
The battery lasts a while after I do this, and it takes 15 seconds for the battery to charge from 6% to 50%.
The charging contacts on the Pen itself seem straight and fine. 
The first day I used the pen, I used it heavily for a few hours and did not encounter a problem. 
Any suggestions? Is this most likely a problem with the Pen or with the laptop itself?
 

A:Yoga C930: pen only half charging

The Lenovo Yoga Book c930 does not have a charging dock for the pen. I believe you are in the wrong forum. Good luck.

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RELEVANCY SCORE 56

So i have a Yoga c930 with 8gb ram and an i7 8550u. And i also have some old linux OS's on my USB thumb drive. I can successfully boot to my desktop pc from that same drive. That pc supports both UEFI and legacy, and since the OS on the thumb drive can only boot through legacy i cannot seem to boot it on the Yoga C930. I've updated to the latest bios (8GCN32WW) and i've tried to both disable secure boot, and intel trust platform technology. Both unsuccessfully, and both disabled at the same time. Is it just not possible to boot from a legacy drive, or am i doing something wrong? Best regards, Mads.

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RELEVANCY SCORE 56

Hi, considering to upgrade the 1TB SSD in the Yoga C930 4K to a Samsung 970 EVO 2TB. Anybody succeed in doing that? What is the procedure? Thanks. 

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RELEVANCY SCORE 56

Hi,I have just received my Yoga C930 today and it have some display issues.The resolution on some apps are very High (Apps appear small)Have found also resolution problem on Mail settings:How does one fix this?Thanks

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RELEVANCY SCORE 56

Hi. I have a new Yoga C930 (16GB 1TB 4K). I wanted to testdrive Ubuntu (18.10)  live on it. I downloaded ubuntu-18.10-desktop-amd64.iso, mounted it and copied files to a USB-A thumb drive. I booted from the USB-A following suggestions from this thread, which worked well. However, after the ubuntu splash screen it comes to a stop and shows this screen.  I did "ls" to check directories. Any suggestions?  Thanks in advance, Pallamas

A:Yoga C930 Booting Ubuntu from USB-A

Apologies. Bad USB-A drive. Boots well with new thumb drive.

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RELEVANCY SCORE 56

Hello, I bought a lenovo yoga c930 laptop yesterday with a FHD screen (1920x1080p) and the first thing I noticed is that all images and videos seem to be a bit blurry and not sharp as would for a 1080p screen. I checked that the screen resolution is set to 1080p and I don't know what else to do, even logos on websites and normal small images you would normally pass by seem very annoying and disappointing to look at. I'm not sure how I'll even manage to watch videos on it (1080p videos definitely don't even look close to 1080).I hope there's something you can tell me to help with this as it is very upsetting where my 10 year old Toshiba laptop that has a way worse screen resolution specs but way better image and video quality.Thanks 

A:Yoga c930 screen resolution

A funny thing worth noting is that even the Desktop background image that comes with the laptop is blurred. I don't understand how that can be a good start.

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RELEVANCY SCORE 56

I have been having issues booting to usb (to install a fresh copy of windows enterprise. But i am unable to get it too boot off the usb( ive used the same usb stick to boot on other computers fine). It justg  ignores the usb stick and continues booting into windows on the ssd. id like to know if others here have had the same issue and what they did ti boot off a usb stick I used diskpart to create a primary partition in the usb and formatted with ntfs. In bios. Its set usb boot to enable .And ive turned off secure boot. Please help!

A:Yoga c930 unable to boot off USB

Hello and welcome,
 
If you're trying to boot in UEFI mode, your setup isn't correct.  I've never messed with enterprise before but to verify how it is installed (same as 10 non-enterprise) I just pulled down an eval ISO. Use a 64 bit ISO.
 
Use diskpart to configure your flash drive: select disk, clean, create partition primary, format fs=fat32 quick, assign.  Not NTFS, don't set it active.  Use your favorite archiving tool - the free 7zip or just Windows 10 Explorer - and extract the contents of the ISO to the flash drive.
 
BIOS can probably be at defaults.  Ssecure boot on or off doesn't matter.  Get to the boot menu (Fn + Power Button IIRC) and select the flash drive directly.  That should do it. Booted just fine on the first Lenovo laptop I tried.
 
[edit to add] Is this  a Yoga C930 or a Yoga Book C930?
 
Z.

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RELEVANCY SCORE 56

Hi, I need clarification. I read some reviews and lenovo product page that both the FHD and 4K versions support HDR. One reviewer mentioend that the FHD version cannot detect HDR contents. Could you please clarify? Also, if I get the FHD version and connect it to an external 4K TV that supports HDR (either directly from the TS3 port of the laptop or via a TB3 hub like the Caldigit TS3+), will I be able to see HDR contents on my 4K HDR TV?

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