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I am experiencing the same screen flickering on my new Win 10 HP Spectre x360 Ultrabook, also using the i7-6500u.
It only happens while on battery, and while on the balanced or power saving power management plan - when either touching a key on the keyboard, the touch pad or even clicking a wireless mouse. I initially though it was some power drain issue / fault, but it also does it on the wireless mouse which is not directly hardwired.
I I notice it more on darker pictures with some colour - not so noticeable on a bright white screen.
I can work around the issue if I go into the advanced power settings, then change Intel(R) Graphics Settings>Inetl(R) Graphics Power Plan>On Battery: "Maximum Performance", then the flickering goes away.
I have not tested the impact of battery life by having this setting changed.
It appears to be on every device I tested in store also. It is also on the new Lenovo Yoga 900 with the same i7 6500u 520 Win 10.
Tried downloading the suggested drivers above, but for some reasons suggests its not compatible. Could only update with the HP software.
Its either going to be some Intel driver issue or a serious floor in their new CPU. Expecting its the former.
Answers (N/A if not applicable)
Provide a detailed description of the issue
Screen flickers (briefly turns black) randomly and intermittently for durations between 0.5 and 1.5 seconds per outage, often in bursts of a dozen outages in 10-60 seconds. Seems worse during I/O, e.g., when sending data out via wifi, e.g., to post data to the internet (like this report) - or moving the cursor. Problem appeared during intial setup (prior to updates), and persists after all Windows Updates, Dell Updates, and Intel Graphics Driver Updates.
Does it fail every single time, or only sometimes?
If you can offer a % rate please do.
Uploading data seems to often (not always) trigger the flickering. The upload phase of www (dot) speedtest (dot) net is a good test. http://www.speedtest.net
Brand and Model of the system.
New Dell XPS 13 model 9350 with HD 520 graphics and QHD+ touch screen, 8GB RAM and 256 GB SSD
Hybrid or switchable graphics system?
ie Does it have AMD or NV graphics too?
Only native Intel i7-6500 HD 520 graphics
Make and model of any Displays that are used to see the issue (see note2 below).
LFP = Local Flat Panel (Laptop panel)
EFP = External Flat Panel (Monitor you plug in)
LFP - 3200 x 1800 touch screen
How much memory [RAM] in the system (see note2 below).
Provide any other hardware needed to replicate the issue.
ie: Cables&brand, cable type [vga, hdmi, DP, etc], dock, dongles/adapters, etc
Hardware Stepping (see note1 below).
Operating System version (see note2 below).
64 bit Windows 10 Home10.0.10586
Version 10.0.10586 Build 10586
VBIOS (video BIOS) version. This can be found in “information page” of CUI (right click on Desktop and select “Graphics Properties”.
unknown. Current version of Intel HD Grpahics Control Panel does not display "Processor Graphics Information," contrary to Graphics Drivers — Video BIOS FAQ
Graphics Driver version; for both integrated Intel and 3rd party vendors (see note2 below).
126.96.36.19912. I will try to upload SSU, DxDiag and DispDiag files separately. I cannot find an "attach" button as mentioned in note2.
SW or Apps version used to replicate the issue.
Chrome, MS Edge, or just letting the OS flicker.
Single display, clone, or extended (see note2 below).
Display resolution & refresh rate setting of each display (see note2 below).
AC or DC mode, i.e. is power cable plugged in or not?
AC (power cable plugged in)
How to repro
Please provide steps to replicate the issue. These steps are very crucial to finding the root cause and fix.
A screenshot to illustrate the issue is a huge plus. A video of the failure is even better! Attach to the post or provide the YouTube link.
- Boot machine
- Watch it flicker (briefly turn black intermittently and randomly)
- Open a browser, watch it flicker more
- Reliably - Cause heavy flicker during the upload phase of testing internet speed using www (dot) speedtest (dot) net - or other I/O - as little as typing this form.
- Boot machine
Have the exact same issue. Seen this problem reported on many manufacturer web sites so it seems like an Intel issue.
The beta driver seems to address this issue but I prefer to wait for the official release.
Hope this get patched up quickly. Very disappointing such basic functionality isn't working properly.