You will need to post more info on what is going on with your wireless in Ubuntu.
Open a terminal and post output of
first.
also output of
I don't run Ubuntu on my Acer Laptop. But a in Puppy Racy instead right now. My Acer 5534 Laptop readout as a example.
Code:
sh-3.00# lspci -knn
00:00.0 Host bridge [0600]: Advanced Micro Devices [AMD] RS780 Host Bridge [1022:9600]
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
00:01.0 PCI bridge [0604]: Advanced Micro Devices [AMD] RS780/RS880 PCI to PCI bridge (int gfx) [1022:9602]
00:04.0 PCI bridge [0604]: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 0) [1022:9604]
Kernel driver in use: pcieport
00:05.0 PCI bridge [0604]: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 1) [1022:9605]
Kernel driver in use: pcieport
00:11.0 SATA controller [0106]: ATI Technologies Inc SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] [1002:4391]
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
Kernel driver in use: ahci
00:12.0 USB Controller [0c03]: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397]
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
Kernel driver in use: ohci_hcd
00:12.1 USB Controller [0c03]: ATI Technologies Inc SB7x0 USB OHCI1 Controller [1002:4398]
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
Kernel driver in use: ohci_hcd
00:12.2 USB Controller [0c03]: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396]
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
Kernel driver in use: ehci_hcd
00:13.0 USB Controller [0c03]: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397]
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
Kernel driver in use: ohci_hcd
00:13.2 USB Controller [0c03]: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396]
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
Kernel driver in use: ehci_hcd
00:14.0 SMBus [0c05]: ATI Technologies Inc SBx00 SMBus Controller [1002:4385] (rev 3c)
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
Kernel driver in use: piix4_smbus
00:14.1 IDE interface [0101]: ATI Technologies Inc SB7x0/SB8x0/SB9x0 IDE Controller [1002:439c]
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
Kernel driver in use: pata_atiixp
00:14.2 Audio device [0403]: ATI Technologies Inc SBx00 Azalia (Intel HDA) [1002:4383]
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
Kernel driver in use: HDA Intel
00:14.3 ISA bridge [0601]: ATI Technologies Inc SB7x0/SB8x0/SB9x0 LPC host controller [1002:439d]
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
00:14.4 PCI bridge [0604]: ATI Technologies Inc SBx00 PCI to PCI Bridge [1002:4384]
00:14.5 USB Controller [0c03]: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI2 Controller [1002:4399]
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
Kernel driver in use: ohci_hcd
00:18.0 Host bridge [0600]: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration [1022:1100]
00:18.1 Host bridge [0600]: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map [1022:1101]
00:18.2 Host bridge [0600]: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller [1022:1102]
00:18.3 Host bridge [0600]: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control [1022:1103]
Kernel driver in use: k8temp
01:05.0 VGA compatible controller [0300]: ATI Technologies Inc RS780M/RS780MN [Radeon HD 3200 Graphics] [1002:9612]
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
02:00.0 Network controller [0280]: Atheros Communications Inc. AR928X Wireless Network Adapter (PCI-Express) [168c:002a] (rev 01)
Subsystem: Foxconn International, Inc. Device [105b:e01f]
Kernel driver in use: ath9k
08:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 02)
Subsystem: Acer Incorporated [ALI] Device [1025:031e]
Kernel driver in use: r8169
sh-3.00#
My wireless chip is Atheros Communications Inc. AR928X Wireless Network Adapter and the Kernel driver in use: ath9k is what is powering my wireless chip as wpa in racy puppy network manager.
More info means you get more help. Hope that Helps.