My left side ctrl key, Esc and F3 keys is not working [Closed]

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 Anonymous -
hi

I have a problem, I have Sony vaio SVE15114FXS laptop and from day before yesterday my laptop left side ctrl key, esc and f3 stop working suddenly, I tried alot to understand tht y its giving problem but no any result found. I restored my laptop too for this problem but still its giving me same problem,,,,,,,,,,,,,,,plz help me, and make me out from this problem.



:-)

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I have the exact same problem but found more of the f# keys had stopped working then just one, I was doing a little digging on my computer and found that the binary codes had gone missing for the keys. Without these codes, the keys cannot function, this problem happens to a lot of gamers because it's cause by confusion on too many keys being struck repeatedly at the same time, it messes with the codes. but the codes then dissapear as a safety precaution to stop it from damaging other codes, what most people may think is true how broken keys are basically the problem 100% of the time, they are wrong, it is alot harder for keys to just break then they think, no matter how hard they push them, so if you take my advice, find a way to restore the default codes for the keys, if not, just get a specialist to fix your Ctrl key then press "Left Ctrl, Left Alt, Left Shift, Right Ctrl, Right Alt and right Shift" and that should fix your other keys.
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Keyboards break often. So I suspect that's your problem. The good news is they are relatively easy to replace. Ebay might be a good place to start shopping for a new/used one.

Good Luck
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u mean to say I should change my keyboard...????
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you could first use the "on screen keyboard" to check Windows to see if it's functioning correctly. Just Google OSK to find how to use the onscreen keyboard.

Good Luck
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well in on screen keyboard esc and ctrl key is working but its doesn't show all F keys, so how can I check those keys b/c 2 F keys (F1, F3) are not working.
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Then it's time to test with an external USB keyboard. If the external keyboard works OK then you probably need to replace the Sony keyboard.
my functions keys are not working plz tell me how to make it work plz