: You must hold Ctrl and press Enter to submit the master code; clicking "OK" alone may not work. Method 3: Hard Reset (Hardware Disassembly)
The Dell Latitude 7480, released in 2016 as part of Intel’s 7th Gen Kaby Lake series, is notoriously secure but not invincible. Unlike older laptops where you could simply remove a CMOS battery, the Latitude 7480 stores passwords in a non-volatile EEPROM (Electrically Erasable Programmable Read-Only Memory) chip. This guide will walk you through to reset the BIOS password, ranging from simple jumper tricks to advanced hardware-level solutions.
Wait 5 minutes, plug the CMOS battery back in, and restart. Method 3: Contact Dell Support how to reset bios password dell latitude 7480
Moderate Time Required: 15–45 minutes Tools Needed: Small screwdriver (Phillips #0 or #1), paperclip or tweezers, secondary computer (optional)
On newer Latitudes (7490 and later), Dell introduced "Service Mode" which allows you to clear BIOS passwords via a jumper on the I/O board. The 7480 is just old enough to not fully support this without a physical PSWD shunt. : You must hold Ctrl and press Enter
Use a trusted site like BIOS-Password.org or specialized Dell unlock tools.
: Visit a reputable third-party site like BIOS-PW.org and enter your System Number to get a "Dell from serial number" code. This guide will walk you through to reset
This method is successful for clearing settings , but may not always clear a password on newer firmware revisions. It is worth trying as the first hardware step.
If the laptop is still under warranty or you can provide proof of purchase, Dell can provide a "Release Code." You must prove you are the legal owner.
: You must hold Ctrl and press Enter to submit the master code; clicking "OK" alone may not work. Method 3: Hard Reset (Hardware Disassembly)
The Dell Latitude 7480, released in 2016 as part of Intel’s 7th Gen Kaby Lake series, is notoriously secure but not invincible. Unlike older laptops where you could simply remove a CMOS battery, the Latitude 7480 stores passwords in a non-volatile EEPROM (Electrically Erasable Programmable Read-Only Memory) chip. This guide will walk you through to reset the BIOS password, ranging from simple jumper tricks to advanced hardware-level solutions.
Wait 5 minutes, plug the CMOS battery back in, and restart. Method 3: Contact Dell Support
Moderate Time Required: 15–45 minutes Tools Needed: Small screwdriver (Phillips #0 or #1), paperclip or tweezers, secondary computer (optional)
On newer Latitudes (7490 and later), Dell introduced "Service Mode" which allows you to clear BIOS passwords via a jumper on the I/O board. The 7480 is just old enough to not fully support this without a physical PSWD shunt.
Use a trusted site like BIOS-Password.org or specialized Dell unlock tools.
: Visit a reputable third-party site like BIOS-PW.org and enter your System Number to get a "Dell from serial number" code.
This method is successful for clearing settings , but may not always clear a password on newer firmware revisions. It is worth trying as the first hardware step.
If the laptop is still under warranty or you can provide proof of purchase, Dell can provide a "Release Code." You must prove you are the legal owner.