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  • Last reply by Mortalblood

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On 27/9/13 my firefox browser became slow in many ways. when i scroll down on facebook and when i scroll down on youtube it lags i don't have any addons installed or anything does anyone know how to solve this problem i have tried:

Reinstalling firefox I have reset firefox to default state. Going on tools then options then going on advanced and disabled hardware acceleration and none of these work when i use google chrome it was all fine and had no problems but i'm mainly a firefox user

Chosen solution

Hey guys just got my pc back from repair thank you for trying to help i restored my pc with a windows 7 cd and everything works fine:)

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How do i disable web-gl

Just youtubed it disabled it still nothing so i enabled it again and i checked my windows update for grapics card update went to nvidia grapics update everything is up to date but dont know how to fix it still :(

Modified by Mortalblood

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If you can stop the pages from lagging by disabling the Flash plugin, then it's worth a few more Flash troubleshooting steps.

To test that:

orange Firefox button (or Tools menu) > Add-ons > Plugins category

set Shockwave Flash to "Never Activate"

Then try Facebook. If it's fast again...

This is some standard guidance that addresses the most common issues with Flash in Firefox. I'm sure you've seen some of it before, but just in case:

(1) If you have any video recorders/downloaders that interact with Flash media, make sure they are as up-to-date as possible, or disable them temporarily.

(2) Disable hardware graphics acceleration in Firefox and in Flash

(A) In Firefox, un-check the box here and restart: [YOU DID THIS]

orange Firefox button (or Tools menu) > Options > Advanced > General > "Use hardware acceleration when available"

(B) In Flash, see this support article from Adobe:

(3) Disable protected mode (Windows Vista/7/8)

See this support article from Adobe under the heading "Last Resort": Adobe Forums: How do I troubleshoot Flash Player's protected mode for Firefox?

Any improvement?

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Video 1 :showing you my scroll delay and when i start up firefox on the main loadpage it has a small delay to load and sometimes it has a longer delay

Video 2 is going to show you the typing delay i have and i dont have this problem on google chrome or my computer.and when i wrote this is a test it came a few seconds after

Watch it in 1080p if you want :D

Modified by Mortalblood

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Does it have any effect when you disable smooth scrolling?

  • Tools > Options > Advanced > General: Browsing: "Use smooth scrolling"

Boot the computer in Windows Safe Mode with network support (press F8 on the boot screen) as a test to see if that helps.

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i have disabled and enabled smooth scrolling same thing tried that before i started this forum

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when i tap f8 when my pc starts a bios pops up

and i tried starting windows in safe mode with network a while ago saw it on another forum it did not help :/

Modified by Mortalblood

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is there anything i can do ?

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What were the results of the Flash troubleshooting?

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My pc is under repair on my laptop now after i get my computer back ill reply back here how it is my Mozilla on this laptop works great

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Chosen Solution

Hey guys just got my pc back from repair thank you for trying to help i restored my pc with a windows 7 cd and everything works fine:)

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