Some tabs on internet pages are missing (though the 'hand' appears when arrow hovers over where they should be); they are also missing on Internet Explorer BUT they are there on OPERA. Problem has occurred in last few months.
Tabs missing on Nationwide Internet banking (secure page). Also missing on Moneysupermarket.com
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On the moneysupermarket site, the top row of navigation buttons are drawn using background images. If the images are missing, then the buttons are invisible.
You can block images from a site using a Firefox feature, or using an add-on (e.g., an ad blocker), or using external security software. This article has a run down on some of the most common issues:
Images or animations do not show | Troubleshooting | Firefox Help
The fact that it also affects IE makes me wonder whether a Windows display or accessibility setting might be involved. This article describes the effect of some of these settings:
Accessibility | How to | Firefox Help
Any luck?
Incredible. I only posted the question 5 minutes ago and now a reply. Incredible! You may well be right when you suggest accessibility. I did make some changes because of poor eyesight (as suggested on the BBC website), but is there an easy way to undo them, ie revert to default? I will follow up your Accessibility link. I used AVG and ZoneAlarm for many years, but recently changed to Avasti (still with ZoneAlarm) because AVG seemed to be causing computer lock-ups.
Thank you for taking the trouble to reply to my question.
If you checked the box to override the web site's colors and styles, that could be the problem. A better approach is to use Firefox's zoom feature. You can zoom up the page to have larger text and images, and this will be remembered on a site-by-site basis. To set the baseline to a higher zoom level for all sites, you can use one of these add-ons:
I haven't tried them, but see them recommended frequently. Good luck!
Thanks once again. I normally only use Firefox, so any alterations to Firefox (which I can't recall making) wouldn't be an explanation, since Internet Explorer (not normally used) has the same fault. Thanks again.
See also (High Contast in Windows):
Thank you for all your suggestions. The problem is now solved (after 4 months of frustration). I'm using XP. Control Panel / Accessibility Options / Display / Untick High Contrast. Your early suggestion of an Accessibility problem was spot on. Thanks.