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Poor wifi performance on HP 250 G4

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chrispop99
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Re: Poor wifi performance on HP 250 G4

#21 Post by chrispop99 » Thu Jan 26, 2017 5:51 am

Not sure what buying used wifi cards would be like in Lithuania! In the UK and US, they can be had cheaper than a USB wifi device, and are easy to fit.

However, some sellers of USB devices certify their use with Linux, and I have used them successfully with ancient laptops using MX-Linux. It's inadvisable to go by a certain make/model as chipsets can change during production runs. If you can cope with the extra size, larger ones with an external antenna always give better performance.

Chris
Test machines:
32-bit non-PAE - Thinkpad T41, 1.6GHz Pentium M, 1GB RAM.
32-bit PAE - DELL Latitude D610, 1.73GHz Pentium M, 2GB RAM.
64-bit - Lenovo T61, 2GHz Core 2 Duo, 2GB RAM
64-bit - Gigabyte Z77P-D3, Intel i3-3220, GeForce 8400 GS, 4GB PC3-12800.

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texchuck
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Re: Poor wifi performance on HP 250 G4

#22 Post by texchuck » Mon Jan 30, 2017 5:11 pm

I borrowed a different laptop PC (Toshiba) and took it to the building where I have the trouble with this HP to try out the wifi connection with it. It has both Windows 7 and MX 15 (32) installed. Both operating systems were able to stream video anywhere in the building over the wifi connection. When I tried it with the HP and MX 16 (64), the wifi connection repeatedly broke and searched for a signal, everywhere in the building. So, either the Broadcom board is junk, or the Linux driver is deficient, or both (I don't have Windows on this PC to compare).

As a reminder, the following Network information applies to this HP laptop:
$ inxi -Nxxx
Network: Card-1: Realtek RTL8101E/RTL8102E PCI Express Fast Ethernet controller
driver: r8169 v: 2.3LK-NAPI port: 3000 bus-ID: 02:00.0 chip-ID: 10ec:8136
Card-2: Broadcom BCM43142 802.11b/g/n driver: wl bus-ID: 03:00.0 chip-ID: 14e4:4365
I found a Windows driver file for the Broadcom wifi board at both wireless-driver.com and the HP web site named sp72879.exe. I used CrossOver to run it as far as it would go. It created a directory containing a file named bcmwl6.inf, the kind of file NDISwrapper is looking for. However, when I run NDISwrapper with this file I get the message "The sys file for the given driver cannot be determined after parsing the inf file." I presume that is probably the end of the road for this avenue, but someone may know how to proceed.

The files in this "SP72879/HP_DriverOnly" directory are:
bcm43xx64.cat
bcm43xx.cat
bcmihvsrv64.dll
bcmihvsrv.dll
bcmihvui64.dll
bcmihvui.dll
bcmwl664.sys
bcmwl6.inf
bcmwl6.sys
bcmwlcoi64.dll
bcmwlcoi.dll

So close, and yet so far!

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chrispop99
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Re: Poor wifi performance on HP 250 G4

#23 Post by chrispop99 » Mon Jan 30, 2017 5:57 pm

I don't know what research you've done on the HP, but Google throws up many cases of folk complaining about poor wifi performance with that laptop regardless of OS.

Chris
Test machines:
32-bit non-PAE - Thinkpad T41, 1.6GHz Pentium M, 1GB RAM.
32-bit PAE - DELL Latitude D610, 1.73GHz Pentium M, 2GB RAM.
64-bit - Lenovo T61, 2GHz Core 2 Duo, 2GB RAM
64-bit - Gigabyte Z77P-D3, Intel i3-3220, GeForce 8400 GS, 4GB PC3-12800.

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texchuck
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Re: Poor wifi performance on HP 250 G4

#24 Post by texchuck » Tue Jan 31, 2017 10:27 am

Chris.

Thanks. I have seen some of those reports, too. Your response led me to purchase a Realtek-based usb wifi dongle. Linux doesn't recognize it, so I guess I will begin a new thread.

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chrispop99
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Re: Poor wifi performance on HP 250 G4

#25 Post by chrispop99 » Tue Jan 31, 2017 10:54 am

texchuck wrote:Chris.

Thanks. I have seen some of those reports, too. Your response led me to purchase a Realtek-based usb wifi dongle. Linux doesn't recognize it, so I guess I will begin a new thread.
A lot of the dongles on eBay say if they are Linux compatible. Even if you don't buy from eBay it might give you an idea of which chipsets to go for.

Chris
Test machines:
32-bit non-PAE - Thinkpad T41, 1.6GHz Pentium M, 1GB RAM.
32-bit PAE - DELL Latitude D610, 1.73GHz Pentium M, 2GB RAM.
64-bit - Lenovo T61, 2GHz Core 2 Duo, 2GB RAM
64-bit - Gigabyte Z77P-D3, Intel i3-3220, GeForce 8400 GS, 4GB PC3-12800.

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