Can you help me with a HP Pavilion DM4 battery problem?

Erlis D. April 22, 2013
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Recently my friend’s laptop began to show a message at BIOS startup. The message is like this:
The system has detected the storage capacity of the battery is very low. For optimal performance this battery need to be replaced.

I was wondering if this is for the CMOS battery to be replaced or for the normal battery of the laptop. This laptop’s battery used to hold for 3-4 hours, and then suddenly got this problem and now it can hold at max 30 mins.

I would like also an opinion why could this happen!
Thanks in advance,

  1. Zivai M
    April 24, 2013 at 11:25 am

    It sounds like you have a bad main battery. The fact that it started suddenly would point to failure of the battery's internal circuitry. Try a new battery pack.

  2. ha14
    April 22, 2013 at 3:19 pm

    there should be a code like 601(Primary (internal) Battery) or 602 ( Secondary (external) Battery) see the below link
    HP Notebook PCs - HP Battery Alert Appears Before Windows Starts

    HP System Diagnostics Battery Test

    Testing for Hardware Failures (Windows 7 and Windows Vista)

  3. Ahmad Almahasneh
    April 22, 2013 at 3:10 pm

    you can check it with another computer , i think this is may be bad use , using the computer plugged in the ac with battery full for long times , or may be the battery was used before buying it