I have given default BIOS settings on the previous point, the password does not work. After I wrong password three times, you have two options serves tag and PPID Please advise
DELL INPRISON N5010 R15
You'll need to place a voice phone call to Dell support - have your ownership details ready along with a credit card to pay for the call -- a support call charge applies out of warranty, as this system certainly must be.
How do I initiate BIOS Recovery on a Dell laptop?
Before you begin the BIOS Recovery, ensure that the laptop's battery is charged up to at least 10%.
Verify that the laptop is powered OFF and disconnect the AC adapter.
Press and hold the CTRL key + ESC key on the keyboard.
Plug in the AC adapter to the laptop.
Release the CTRL key + ESC key on the keyboard once you see the BIOS recovery screen.
On the BIOS Recovery screen, select Reset NVRAM(if available) and press the Enter key. Select Disabled and press the Enter key if you wish to save the current BIOS settings.
Select Recover BIOS and press the Enter key to start the recovery process.
Note: Your Dell PC may restart a few times during the process of BIOS recovery.