it so weird my Acer 4530 (AMD Processor)

[lorins_core]

Good Day to all

I have Problem to may Acer Aspire 4530. the Keyboard keys problem)

(problem) Keys QAZWSX alt ctrl capslock TAB 1 2 (and The Side Button etch WIFi and Bluetooth e button)


i replace the Keyboard many times. new (Brandnew) 100% working and i try to change a Secondhand but 100% used to other same unit i barrow to test no luck.

i wondered sometimes working if i shutdown (turn off) then i On. return the problem.

i reformat. i used new hdd and memory i cleaning the MotherBoard and I resolder the keyboard slot... how come?


it so weird... anyone can fix this?

[selldoor]

Re: it so weird my Acer 4530 (AMD Processor)

Try clearing the cmos? updating the bios- Does sound like it is a keyboard socket problem - assume you have cleaned and looked for bent /broken pins. I see you have reformatted
but just check what keyboard the system thinks it has- think a keypress should still give something but worth a quick look

[lefos]

Re: it so weird my Acer 4530 (AMD Processor)

Hello, this is usually caused by the EC ic (made from winbond or ene).

[spidey]

Re: it so weird my Acer 4530 (AMD Processor)

EC is the second place to look, first place is after connector, caps near connector. there are toons of caps or sometimes group of caps near/under keyboard connector. Compare with schematic if you have. then search for a cold soldered ec leg connected to those caps. Ec gets the keystroke signals by that pins. if everything is ok then replace EC.

[lorins_core]

Re: it so weird my Acer 4530 (AMD Processor)

i got it.... Thanks You To All Of You Guys. it is a not IC Nor Hardware problem... It is a Problem on Easy-launch buttons. the one module... if i remove on connection all keys has been working Proper...

To all Other Forum-mates. that is a Solution Tips... thanks To all

Problem Solve... it is Weird but have Solution....