PCI\VEN_14E4&DEV_4315
BCM4312 802.11b/g LP-PHY driver
PCI\VEN_14E4&DEV_4315 is the Broadcom Inc. and subsidiaries BCM4312 802.11b/g LP-PHY, a Wi-Fi device. Without its driver Windows shows a Network Controller with a yellow mark and no wireless networks. Get it from Windows Update or your PC maker first; the chip maker's own package is on support.microsoft.com.
Device details
| Hardware ID | PCI\VEN_14E4&DEV_4315 |
|---|---|
| Device name | BCM4312 802.11b/g LP-PHY |
| Maker | Broadcom Inc. and subsidiaries (PCI vendor ID 14E4) |
| Device type | Wi-Fi |
| Driver guide | Find the right Wi-Fi driver |
| Known OEM variants | 7 |
PCs and boards that use this chip
Each line is a subsystem ID: the full hardware ID ends in SUBSYS_ plus these eight characters when the BCM4312 802.11b/g LP-PHY is built into that maker's product.
| Full hardware ID ending | Maker | Product |
|---|---|---|
SUBSYS_000B1028 | Dell | Wireless 1395 WLAN Mini-Card |
SUBSYS_000C1028 | Dell | Wireless 1397 WLAN Mini-Card |
SUBSYS_137C103C | Hewlett-Packard Company | BCM4312 802.11b/g Wireless LAN Controller |
SUBSYS_137D103C | Hewlett-Packard Company | BCM4312 802.11b/g Wireless LAN Controller |
SUBSYS_1507103C | Hewlett-Packard Company | U98Z049.00 Wireless Mini PCIe Card |
SUBSYS_E003105B | Foxconn International, Inc. | T77H030.00 Wireless Mini PCIe Card |
SUBSYS_E01B105B | Foxconn International, Inc. | T77H106.00 Wireless Half-size Mini PCIe Card |
If your SUBSYS matches a laptop or board maker in this list, that maker's support page has the version tested for your model.
How to install the driver for BCM4312 802.11b/g LP-PHY
- Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with
PCI\VEN_14E4&DEV_4315. - Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Wireless drivers are often offered here.
- Check your PC maker. Enter your model or serial number on its support site and look under Networking or Wireless.
- Use the chip maker's package. Update drivers through Device Manager in Windows (Microsoft) on support.microsoft.com. Our find the right wi-fi driver guide explains which package fits.
- Restart and check. Open the Wi-Fi list in the taskbar and connect to your network.
Other Broadcom wi-fi IDs
VEN_14E4&DEV_4307BCM4306 802.11bg Wireless LAN ControllerVEN_14E4&DEV_4311BCM4311 802.11b/g WLANVEN_14E4&DEV_4312BCM4311 802.11a/b/gVEN_14E4&DEV_4313BCM4311 802.11aVEN_14E4&DEV_4318BCM4318 802.11g Wireless LAN ControllerVEN_14E4&DEV_4319BCM4318 802.11a/b/g PCI Express TransceiverVEN_14E4&DEV_4320BCM4306 802.11b/g Wireless LAN ControllerVEN_14E4&DEV_4321BCM4321 802.11a Wireless Network Controller
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.