display error on my laptop

  DineshShilpakar 18:40 25 Apr 2017

Hello I've dell insprion 3442. I'd issue on cmos battery failure. I've changed my cmos battery n still there is 5 beep sound. But now my display doesn't turn on it's black out. Please give me some idea about how to solve it as soon as possible.

  Forum Editor 18:56 25 Apr 2017

"I've changed my cmos battery n still there is 5 beep sound."

Which, as you probably know, means an RTC (Real Time Clock failure) The CMOS battery is either absent or faulty.

I know you changed the battery, so its worth checking that you didn't insert the new one the wrong way up. Make sure it is seated probably as well. If that doesn't work, try another new battery. Make sure it is the correct type (almost always CR2032) and buy it from a different shop.

  DineshShilpakar 18:59 25 Apr 2017

I've tried it. But currrently my main problem is sceen. It is black out.

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