Dell DELL 15-3567 notebook keyboard is stuck, and battery maintenance is not recognized.

The keyboard of Dell DELL 15-3567 notebook computer is stuck, and it doesn't recognize battery maintenance. Take a look at it by brushing the BIOS first. After brushing the BIOS, it is found that the keyboard is not stuck, but it still doesn't recognize the battery, and it doesn't turn on when it is only used.

The keyboard of Dell DELL 15-3567 notebook computer is stuck, and it doesn’t recognize battery maintenance. Take a look at it by brushing the BIOS first. After brushing the BIOS, it is found that the keyboard is not stuck, but it still doesn’t recognize the battery, and it doesn’t turn on when it is only used.

Machine model: Dell DELL 15-3567

Main board version number: 15341-1

Fault phenomenon:

A colleague engaged in monitoring network said that there was a DELL laptop keyboard stuck and he didn’t recognize the battery. He bought a new battery from a treasure and replaced it with the same problem, so he brought it to me for repair.

Maintenance process:

When it comes to the keyboard of DELL notebook computer that is stuck and not charged, it comes to mind that this problem often occurs in DELL G3. G3 is generally a BIOS problem. Take a look at it. It’s not G3, but 15-3567, version number 15341-1.

Take a look at it by brushing the BIOS first. After brushing the BIOS, I found that the keyboard is not stuck, but I still don’t recognize the battery. I can discharge, don’t display the power, don’t charge, and don’t turn on the battery alone.

No way, honestly, I found that 3 feet were 3.3V and 4 feet were only 1.5V V. I found the problem, and this should be 3.3 V. Looking for the drawings, I found that the 4 pins became SMBDAT 1 after exclusion, and the exclusion of both sides was 1.5v.

Dell DELL 15-3567 Notebook Keyboard Stuck, Does Not Recognize Battery Maintenance Figure 1

Check SMBDAT 1 to D4305 again, and find that this D4305 is slightly moldy, and resolutely find a replacement from the material board, and find that 3.3V came out. Connected to the battery, it can be charged normally, and the power can be recognized normally. This is the end of maintenance.