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ASUS A555LA drivers

This page contains 153 official source records for ASUS A555LA. Select the exact hardware variant and operating system below before choosing a package. These are release records, including retained versions, not a list of mandatory installations.

Recorded systems and scope

Only the listed systems have local records. Older Windows entries are historical download records, not a promise of current OS support. “Others” or an empty bitness field does not imply Windows compatibility.

What is available for this model

Vendors explicitly named in package titles include Realtek, Broadcom, Intel, Qualcomm / Atheros, NVidia, nVidia. If more than one network package is listed, check the installed adapter vendor and hardware IDs; do not install every alternative.

Official hardware / BIOS variants recorded here: A555LA, A555LAB. Follow the exact variant selector below; this page does not choose the nearest suffix.

Before installing

  1. Confirm your complete model and read the system information from your device.
  2. Select the actual system and bitness below, then compare category, version and release date with the package notes.
  3. Use the official download button for the matching package. Follow the installation checks and the package’s own instructions.
  4. Keep a record of what changed and test the affected function after any installer-requested restart.

Stop if your full model, hardware identity or operating system differs, or the installer rejects the package. Missing records do not establish that no driver exists. BIOS files require the separate power, recovery-key and exact-model checks.

Source and verification

ASUS official support for A555LA. Source records checked on . Release dates and versions in the directory come from individual official records. Packages have not all been downloaded or tested on a device; unknown values remain blank.

Exact catalog model: ASUS A555LA

Manufacturer: ASUS. Match this name and any hardware / BIOS variant with the label on your device. For network drivers, check the installed adapter vendor and device IDs in Device Manager.

Official source verification

Requested series / model label — select the full model below: A555LA. Checked 2026-10-04. ASUS official support page

Original page label: ASUS A555LA. The year and marketing name in the old article are not used to infer compatibility. Match the complete model and hardware variant shown in the official records.

Choose the full model on your device

No model has been automatically selected.

Exact hardware / BIOS variant

If your device has a variant code, match it before choosing drivers.

1. Choose system and bitness

Only systems recorded for this exact model are listed. Unknown bitness is not treated as 32-bit or 64-bit.

2. Driver categories — BIOS / Firmware · unknown bitness

BIOS

BIOS update precautions

Confirm the exact BIOS / hardware variant. Read ASUS instructions, connect reliable AC power and do not interrupt the update. Keep your BitLocker recovery key available. Do not flash a file solely because its model name looks similar.

BIOS 301

Device vendor
Unknown — not verified
BIOS / hardware variant
A555LA
Version
301
Official release date
2014-05-14
File size
2.05 MB
Last verified (official record)
2026-10-04

Hardware / device IDs: unknown

1.Increase the protect point of battery
2.Improve the performance of Micron 4G onboard memory

BIOS 302

Device vendor
Unknown — not verified
BIOS / hardware variant
A555LA
Version
302
Official release date
2014-05-30
File size
2.05 MB
Last verified (official record)
2026-10-04

Hardware / device IDs: unknown

Revise the method of "Increase the protect point of battery.

BIOS 305

Device vendor
Unknown — not verified
BIOS / hardware variant
A555LA
Version
305
Official release date
2014-07-13
File size
2.05 MB
Last verified (official record)
2026-10-04

Hardware / device IDs: unknown

Revise Fn+Enter to launch Metro mode calculator for win8.1.

BIOS 307

Device vendor
Unknown — not verified
BIOS / hardware variant
A555LA
Version
307
Official release date
2014-09-03
File size
2.05 MB
Last verified (official record)
2026-10-04

Hardware / device IDs: unknown

Update EC FW

BIOS 308

Device vendor
Unknown — not verified
BIOS / hardware variant
A555LA
Version
308
Official release date
2014-09-15
File size
2.04 MB
Last verified (official record)
2026-10-04

Hardware / device IDs: unknown

Fix FLT touchpad driver lost.

BIOS 309

Device vendor
Unknown — not verified
BIOS / hardware variant
A555LA
Version
309
Official release date
2015-03-04
File size
2.04 MB
Last verified (official record)
2026-10-04

Hardware / device IDs: unknown

Disable SATA Device Sleep.

BIOS 310

Device vendor
Unknown — not verified
BIOS / hardware variant
A555LA
Version
310
Official release date
2015-05-07
File size
2.04 MB
Last verified (official record)
2026-10-04

Hardware / device IDs: unknown

Update EC FW

BIOS 311

Device vendor
Unknown — not verified
BIOS / hardware variant
A555LA
Version
311
Official release date
2019-05-06
File size
2.05 MB
Last verified (official record)
2026-10-04

Hardware / device IDs: unknown

Optimize system performance

BIOS 312

Device vendor
Unknown — not verified
BIOS / hardware variant
A555LA
Version
312
Official release date
2019-06-03
File size
2.04 MB
Last verified (official record)
2026-10-04

Hardware / device IDs: unknown

Optimize system performance

BIOS 601(X555LAB)

Device vendor
Unknown — not verified
BIOS / hardware variant
A555LA
Version
601
Official release date
2016-05-27
File size
2.47 MB
Last verified (official record)
2026-10-04

Hardware / device IDs: unknown

Update FW
Notice:Please check in the BIOS setup for the correct BIOS file name of your Notebook PC. Please refer to FAQ:
BIOS Name of Notebook PC
https://www.asus.com/support/faq/114958