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Web pages appear completely black, but load properly as soon as I move the cursor (mouse). What's wrong?

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enteeen
enteeen
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When I open (some) web pages, including emails, the new window appears entirely black. As soon as I move my mouse (cursor) the black window is replaced by the requested web page. I note that similarly described problems appear widely (but the black windows don't respond to a cursor movement) if I google the symptoms, but I have found no effective recommended solution. I use Windows 7 64 bit and outlook for mail but other reports appear to embrace Windows 10 and Internet explorer.

Have you come across this problem recently and if you are able, could you please offer an explanation or advice?

Kind regards,

Norman Naylor

When I open (some) web pages, including emails, the new window appears entirely black. As soon as I move my mouse (cursor) the black window is replaced by the requested web page. I note that similarly described problems appear widely (but the black windows don't respond to a cursor movement) if I google the symptoms, but I have found no effective recommended solution. I use Windows 7 64 bit and outlook for mail but other reports appear to embrace Windows 10 and Internet explorer. Have you come across this problem recently and if you are able, could you please offer an explanation or advice? Kind regards, Norman Naylor

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cor-el
cor-el
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You can try these steps in case of issues with web pages:

You can reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • hold down the Shift key and left-click the Reload button
  • press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • press "Command + Shift + R" (Mac)

Clear the cache and remove the cookies from websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).

"Clear the cache:

  • Options/Preferences -> Privacy & Security -> Cached Web Content: "Clear Now"

"Remove the cookies" from websites that cause problems.

  • Options/Preferences -> Privacy & Security -> "Use custom settings for history" -> Cookies: "Show Cookies"

Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Appearance
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window