Acer Aspire 7540 fn/f5 not responding

By miller09
Aug 9, 2010
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  1. im not a computer wizard so please help, i have a acer aspire 7540 which i hook up to my 1080 lcd tv with a hdmi, ive always used fn/f5 to put it on there, just recently fn/f5 as well as fn and volume/brightness controls stopped working as well.if anyone could help that would be great, also i am just realizing that the multi-gestures are not working ie.scroll, back, forward, zoom and rotate. please help me thanks. Dan
  2. mailpup

    mailpup TS Special Forces Posts: 7,186   +469

    Perhaps the HDMI cable is loose or defective. Maybe the laptop HDMI port is bad. Maybe reinstalling the graphics driver is needed but be sure to uninstall the old one first.
  3. miller09

    miller09 TS Rookie Topic Starter

    the hdmi is working, because when i use the hot keys (windows+p) it works..thank you though
  4. mailpup

    mailpup TS Special Forces Posts: 7,186   +469

    Although it's probably not the graphics driver, why not update it anyway?

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