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Installed latest 64bit version, but screen is mostly black with a few white shapes and/or pixs

  • 3 replies
  • 1 has this problem
  • Last reply by FredMcD

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Install completed normally, but the pages only show some pixs and white shapes. Sometimes different areas/shapes flash white as the cursor moves over them. Seems to be only a video issue, since clicking on a spot with a function activates the function.

Running Win 7 64/bit, and duai Nvidia Geforce 8600GTS graphics cards

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What's your Firefox version? Were you using the 32-bit program before?

Start Firefox in Safe Mode {web link} by holding down the <Shift> (Mac=Options) key, and then starting Firefox.

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

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Running 59.0.2. Clean install on 64bit system since you can't just upgrade Win 7 32bit to 64bit.

Had tried safe mode yesterday and the problem does not appear in safe mode. How do I find the issue that's causing the problem?


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It could be the work of one of your add-ons, or it could be Hardware Acceleration. How to disable Hardware Acceleration {web link}

Type about:addons<enter> in the address bar to open your Add-ons Manager. Hot key; <Control> (Mac=<Command>) <Shift> A)

In the Add-ons Manager, on the left, select Extensions. Disable a few add-ons, then Restart Firefox.

Some added toolbar and anti-virus add-ons are known to cause Firefox issues. Disable All Of them.

If the problem continues, disable some more (restarting FF). Continue until the problem is gone. After, you know what group is causing the issue. Re-enable the last group ONE AT A TIME (restarting FF) until the problem returns.

Once you think you found the problem, disable that and re-enable all the others, then restart again. Let us know who the suspect is, detective.