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EDED01
Paper Tape
Posts: 4
Registered: ‎12-19-2018
Location: US
Views: 524
Message 1 of 5

X1 Extreme Plugging In/Out Charger Blacks Out Screen.

Plugging in or taking out my charger turns my screen black for a second before it flahes on again. I never really heard of a laptop doing this before so is this normal on the X1E model? Anyone else experience this?

njweb
SCSI Port
Posts: 55
Registered: ‎12-11-2018
Location: US
Views: 485
Message 2 of 5

Re: X1 Extreme Plugging In/Out Charger Blacks Out Screen.


@EDED01 wrote:

Plugging in or taking out my charger turns my screen black for a second before it flahes on again. I never really heard of a laptop doing this before so is this normal on the X1E model? Anyone else experience this?


Think this is normal when it is adjusting graphics settings (brightness etc.); noticed this too, but since it is literally just for one second it doesn't bother me.

Wouldn't worry about it at all... 

jfong111
Punch Card
Posts: 5
Registered: ‎04-05-2016
Location: US
Views: 438
Message 3 of 5

Re: X1 Extreme Plugging In/Out Charger Blacks Out Screen.

Yes, I'm having exactly the same issue here. It is rather annoying. It doesn't make any sense that just plugging in power or disconnecting power would cause the laptop to "stutter" for a second or two. I don't recall using a laptop that did that without someway of disabling it. Now if anyone has any suggestion on how to disable this behavior, I'm all ears.

Community SeniorMod
Community SeniorMod
Posts: 7,085
Registered: ‎01-13-2008
Location: US
Views: 418
Message 4 of 5

Re: X1 Extreme Plugging In/Out Charger Blacks Out Screen.

Many do this.  It's normal.  If I understand the described symptoms correctly it's like this:

 

The AC and battery power plans are set for different monitor refresh rates - perphas as a power-saving measure when on battery.  The monitor takes a moment to adjust to the changed rate, and blanks while that is going on.  It can happen for even the smallest changes: 59Hz vs 60Hz.

 

If it's really a bother, go to the advanced section of the power plans and set them to the same rate.

 

(If I'm reading this correctly... What I described will cause the "symptom" but may not be what you're seeing.)

 

Z.


The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc.


The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored - questions and answers belong in the forum so that others may contribute and benefit. ... GeezBlog

 

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EDED01
Paper Tape
Posts: 4
Registered: ‎12-19-2018
Location: US
Views: 416
Message 5 of 5

Re: X1 Extreme Plugging In/Out Charger Blacks Out Screen.

I'll try adjusting my settings to see if that works.

 

EDIT: I don't see the option to change the refresh rate on the advance power settings. What is that under exacly?

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