Lag - Nexus 7 Q&A, Help & Troubleshooting

Hi
I'm experiencing small quantities of lag on my nexus. It's barely noticeable , but it tends to get irritating from time to time. Mainly it happens when I'm installing an app and simultaneously trying to scroll through the screens. It also tends to appear when scrolling between widgets, between text predictions an so forth. I've installed seeder and lagfix but they cannot solve the issue completely. For comparison I am not experiencing this on my Acer iconia a110, everything runs smoothly there. I read that the problem might be coming from the higher resolution display - 1280x800 as compared to the lower 1024x600 display on the acer but I'm not completely sure. Have any of you experienced that type of lag on your devices ? Please advice on what might be the solution.
Running rooted device on android 4.2.1 stock rom
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I've been told if your force GPU rendering in the developer setting then that does away with almost all scrolling lag.
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Flash smoothrom or super charge from. Stock sucks

Along with disabling Google currents and flashing motley kernel.
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Jaydizzle414 said:
I've been told if your force GPU rendering in the developer setting then that does away with almost all scrolling lag.
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I've seen this option.... What does it do?
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Ryano89 said:
I've seen this option.... What does it do?
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http://m.pocketnow.com/2012/05/25/what-is-force-gpu-rendering-in-ice-cream-sandwich
This pretty much explains it. I know this article is referring to ics but it aplies to any ROM
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Thanks
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Now it just stays on the google logo and does nothing, furthermore it doesn't show as adb and it is not recognized as a device on my PC. Any ideas on how to unbrick it ?

Managed to unbrick it by flashing the "bricked" kernel and again the smoothrom
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Related

[Q] Screen Flickering & DPI mod

Had my Nexus 7 for 24 hours know & its amazing but the I've only just noticed that sometimes my screen flickers & I have to lock & unlocked my nexus 7 to stop it, is this due to the DPI mod I'm using to give me a TabletUI or is this a fault?
Thanks in advance
Seems like its a problem regarding tegra 3 devices. It should be fixed in a rom update eventually.
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Take the brightness control out of Auto and see if it helps
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jazzfreek said:
Take the brightness control out of Auto and see if it helps
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That's what I did too. Seemed to help.
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Mine seems to flicker only when using Tapatalk. I haven't seen it do this on the home screen, browser or when playing games at all but every time I use tapatalk I see it at least once.
*edit* I also remember seeing it flicker when using the Facebook app.
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theoneofgod said:
Seems like its a problem regarding tegra 3 devices. It should be fixed in a rom update eventually.
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That does suck but at least I know my unit isn't faulty
jazzfreek said:
Take the brightness control out of Auto and see if it helps
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nikeman513 said:
That's what I did too. Seemed to help.
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I'll try this & report back
PROlific666 said:
Mine seems to flicker only when using Tapatalk. I haven't seen it do this on the home screen, browser or when playing games at all but every time I use tapatalk I see it at least once.
*edit* I also remember seeing it flicker when using the Facebook app.
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Mine only seams to happen with chrome

A very strange screen defect... :(

Whenever there is a certain shade of gray, there is a bunch of green pixels. I don't mind a whole lot but it's annoying. Is anyone else experiencing this? Fix??
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It looks like you might have to return it.... not experiencing anything like that on mine and I had a few weird things happen here and there
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I'm not going to return it unless something serious occurs. This doesn't really bother me unless I'm in the settings app or in poweramp.
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Fair enough I guess.... how about reading in night mode?
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Likely to only get worse.
Fixed!! I just flashed a new ROM and the problem went away
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Actually it was the kernel that did it. Trinity seven alpha 86. Great kernel but needs work
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Need for speed most wanted

Hi guys
Quick question or two.
To people that have the above game ...how is it running on your service . do you have motion blur when on n2o water reflections on the road ?
Graphics on my phone are defo not on maximum
When I tried it on my galaxy nexus graphics were much better than this phone.
Any way of improving this damn thing ?
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Mine are fine, try using a custom kernel like francos or faux's
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Ace42 said:
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That's what I have, no reflections , no motion blur .
In terms of different kernel... Don't want it. They usually make the phone slower in my opinion, last time I've tried Franco kernel scrolling was really bad.
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MattSkeet said:
That's what I have, no reflections , no motion blur .
In terms of different kernel... Don't want it. They usually make the phone slower in my opinion, last time I've tried Franco kernel scrolling was really bad.
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You should really try Franco kernel again r28 is amazing
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MattSkeet said:
That's what I have, no reflections , no motion blur .
In terms of different kernel... Don't want it. They usually make the phone slower in my opinion, last time I've tried Franco kernel scrolling was really bad.
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I think they have top update the asp for the nexus.
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spaceman860 said:
You should really try Franco kernel again r28 is amazing
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But that will less up my touch sensitivity patch which I prefer over custom kernel
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I have Matr1x kernel. Do not have an issue with the game at all. N4 graphics can't compete with my galaxy galaxy about 10.1
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I went back to stock on my nexus and now I'm unable to install the game. In play store it says "incompatible with this device". Are you getting that?
K3yMaster said:
I went back to stock on my nexus and now I'm unable to install the game. In play store it says "incompatible with this device". Are you getting that?
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Running stock. Not compatible.
K3yMaster said:
I went back to stock on my nexus and now I'm unable to install the game. In play store it says "incompatible with this device". Are you getting that?
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Same happened to me, I read somewhere it is to do with a recent change to the game. I just restored with titanium and its fine.
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Running stock and the game runs great. I even have 4x MSAA enabled in developer settings which makes the game appear noticeably sharper.
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Paranoid android gaming performance?

How is the gaming performance on paranoid android custom rom?
Well I have just reinstalled 3+ because I experience less lag and crashes then other ROMs I amusing night lies no problem so far and more and easy customizing options... That is just my opinion
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GregTheGreat said:
Well I have just reinstalled 3+ because I experience less lag and crashes then other ROMs I amusing night lies no problem so far and more and easy customizing options... That is just my opinion
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[Q] Glitching with PACman ROM?

I have had problems with the PACman ROM where there seems to be constant glitching when scrolling between home screens or scrolling up and down from menus etc.
Is there any way to fix this? Stock ROM does not do this so I know its not my phone.
lukkypuggy said:
I have had problems with the PACman ROM where there seems to be constant blotching when scrolling between home screens or scrolling up and down from menus etc.
Is there any way to fix this? Stock ROM does not do this so I know its not my phone.
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Go into Developer Options and check the Disable HW Overlays box each time you do a restart.
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Jersey846 said:
Go into Developer Options and check the Disable HW Overlays box each time you do a restart.
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That fixed it!!! Thanks!
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lukkypuggy said:
That fixed it!!! Thanks!
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Seems most 4.2.2 roms share this issue.
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Jersey846 said:
Seems most 4.2.2 roms share this issue.
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Yeah, I noticed it on Tiny's UNOFFICIAL CM10.1 ROM for the HTC DROID Incredible.
Your tip worked on both ROMs for two different devices.
Is there any way to come up with a permanent fix to this problem?
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Thanks so much for this fix. The varying vsync issue was driving me nuts.
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This is also a problem with 4.3 roms
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