# Corebook Pro Function Key Behaviour **URL:** \ **Category:** Official Firmware\ **Created:** [October 5, 2020, 6:55pm UTC](https://forum.chuwi.com/t/corebook-pro-function-key-behaviour/15264 "2020-10-05T18:55:10Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![SumNemo](https://avatars.discourse-cdn.com/v4/letter/s/e19b73/32.png) [@SumNemo](https://forum.chuwi.com/u/SumNemo)\ **Post date:** [October 5, 2020, 6:55pm UTC](https://forum.chuwi.com/t/corebook-pro-function-key-behaviour/15264/1 "2020-10-05T18:55:10Z")
Is there a BIOS version, for the Corebook Pro, that allows for the behaviour of the function keys to be changed, so they are F1, F2 by default? ---
**Author:** ![manonegra222](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.chuwi.com/manonegra222/32/11498_2.png) [@manonegra222](https://forum.chuwi.com/u/manonegra222)\ **Post date:** [October 6, 2020, 8:30pm UTC](https://forum.chuwi.com/t/corebook-pro-function-key-behaviour/15264/2 "2020-10-06T20:30:27Z")
I do not know, I do not have that model. Write to [service@chuwi.com](mailto:service@chuwi.com) and wait for a response ---
**Author:** ![0b1kn00b](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.chuwi.com/0b1kn00b/32/2511_2.png) [@0b1kn00b](https://forum.chuwi.com/u/0b1kn00b)\ **Post date:** [March 30, 2021, 3:07am UTC](https://forum.chuwi.com/t/corebook-pro-function-key-behaviour/15264/3 "2021-03-30T03:07:55Z")
Same with the Corebook X. F1 turns the screen off. send help! ---
**Author:** ![manonegra222](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.chuwi.com/manonegra222/32/11498_2.png) [@manonegra222](https://forum.chuwi.com/u/manonegra222)\ **Post date:** [March 30, 2021, 10:43am UTC](https://forum.chuwi.com/t/corebook-pro-function-key-behaviour/15264/4 "2021-03-30T10:43:37Z")
Function keys F1, F2, F3 … work in combination with the Fn key ---
**Author:** ![chiaki](https://avatars.discourse-cdn.com/v4/letter/c/e8c25b/32.png) [@chiaki](https://forum.chuwi.com/u/chiaki)\ **Post date:** [April 7, 2021, 1:09pm UTC](https://forum.chuwi.com/t/corebook-pro-function-key-behaviour/15264/5 "2021-04-07T13:09:40Z")
I contacted to [aftersale-service@chuwi.com](mailto:aftersale-service@chuwi.com), then I got new EC(Embeded Controller) file. New EC is version ‘CH-EC-V1.8.0’. The new EC, I can use F1, F2… without FN key combination. ---
**Author:** ![manonegra222](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.chuwi.com/manonegra222/32/11498_2.png) [@manonegra222](https://forum.chuwi.com/u/manonegra222)\ **Post date:** [April 7, 2021, 5:05pm UTC](https://forum.chuwi.com/t/corebook-pro-function-key-behaviour/15264/6 "2021-04-07T17:05:49Z")
Yes, it is the second option for those who need the default function keys. ---
**Author:** ![0b1kn00b](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.chuwi.com/0b1kn00b/32/2511_2.png) [@0b1kn00b](https://forum.chuwi.com/u/0b1kn00b)\ **Post date:** [June 1, 2021, 2:10pm UTC](https://forum.chuwi.com/t/corebook-pro-function-key-behaviour/15264/7 "2021-06-01T14:10:25Z")
I do realize that but it’s a muscle memory thing that I had to retrain. ---
**Author:** ![tt367](https://avatars.discourse-cdn.com/v4/letter/t/258eb7/32.png) [@tt367](https://forum.chuwi.com/u/tt367)\ **Post date:** [August 11, 2021, 10:57am UTC](https://forum.chuwi.com/t/corebook-pro-function-key-behaviour/15264/8 "2021-08-11T10:57:32Z")
I sent a message to the official email address I specified, but I didn’t get a reply. Do I need to attach a photo of the product serial number, etc.? ---
**Author:** ![tt367](https://avatars.discourse-cdn.com/v4/letter/t/258eb7/32.png) [@tt367](https://forum.chuwi.com/u/tt367)\ **Post date:** [September 11, 2021, 8:35am UTC](https://forum.chuwi.com/t/corebook-pro-function-key-behaviour/15264/9 "2021-09-11T08:35:14Z")
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