Sony k750i bottons 1,2,3 and navigator botton left and right don't work

keep central heat off (botton on left push down botton on right push all the way up. Turn dialclock wise and either push in the little white button or pull out the "advencor". that button works the speed of the dial by turning it also

Please try the following procedure and do a backup of the SD memory data if any; with the camera turned on press Menu botton, then with left and right bottons navigate to Setup 2 tab, there select Format option, the user guide for this camera can be downloaded from the following link:

http://www.samsung.com/ae/consumer/cameras-camcorders/cameras/compact/EC-S750ZBDD/AS/index.idx?pagetype=prd_detail&tab=support

Generally, if a mouse button quits working, it requires the replacement of the touchpad assembly.
Boot to the safe mode, see if the button works there, if it doesn't, then it is a failure of the switch in the button
http://cgi.ebay.com/TESTED-Sony-Vaio-VGN-NW150J-LCD-Keyboard-Palmrest_W0QQitemZ120522991092QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item1c0fbae5f4#ht_1088wt_1165

you only need a DSS-25 (Syncstation) or a DCU-60 cable.
either way this cable is packed with you mobile!!

Check your phone model:
1) reveal the hidden service menu by the following (phone) key sequence:
("cursor" = navigation control on your phone! left, right, up, down)
[cursor right] [*] [cursor left] [cursor left] [*] [cursor left] [*]
2) choose Service Info
3) choose Software Info
4) look out for EPROM. if you see db2020 then your can unlock your phone by yourself.

Here are the steps to follow to set date and time to display on every picture you take

1- Turn the dial to play
2- Press Menu
3- Press the Okay key ( it is the middle botton in the back side just SE of menu botton
4- press right arrow key
5- scrole down and high light date/time and press right arrow key
6- now you need to high light day/time or date and press okay botton as above.

Now if you take any picture or video, date or dat/time will be on the pictures you take

Take care and good luck!!!!!!!!

its easy
only 1- press on up right botton
2- press on down right botton
that's all

Push the center botton on the back until you see WAKE I and then by holding it dwon push the bottons on either the right ir left of that button to set the alarm.... same process for WAKE 2...just have to push the center botton again

there may be some dust particles entered into your phone that may be the reason for some of the buttons not working properly especially joystick .......if you have tool kit using it open your phone and using cloth try to clean the board .......if you are not confident of opening better take to near by service center to get your problem solved

OFF YOUR TV WITH POWER BOTTON, THEN PRESS IN REMORE CONTROL DISPLAY BOTTON # 5 BOTTONVOL + BOTTON AND POWER BOTTON.( DISPLAY--5--VOL+--POWER)

Hi,

Sorry but there is no way to turn that off.