Community wifi signal very weak/no signal in a reading room at the centre of the community: how to boost

In the groups of apartment that I stay, there's  a free Wifi for the community
which I could access from my phone/laptop when I move around the vicinity.
However, a reading room right in the centre of this area, the Wifi signal is
often cut off (or intermittently at 1 bar).

Is there anything I can get/install so that I could get the signal in the reading
room (which is a 5m x 3.5m room with glazed glass panels in front, a thick
wooden door & concrete walls on the roof & other sides of walls)?  Even if
I open the wooden door, the Wifi signal strength did not improve.

Until I shift my chair & laptop & sit just 1m outside the wooden door, then
I get 3-4 bar signal.

I don't mind a USB dongle with a 4m USB extender cable (which could be
slipped under the door but do recommend specific eBay/Amazon links
to the items that could be shipped to Singapore.

Btw, I don't have access to the AP and I can't get the management/admin
of this community to boost the signal so this is not an option.
sunhuxAsked:
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sunhuxAuthor Commented:
https://www.ebay.com/itm/Wireless-Network-High-Gain-USB-Adapter-Wifi-Signal-Coverage-Boost-Range-Extender/253338702244?epid=2255479167&hash=item3afc29d1a4:g:sNYAAOSwD5pa~gm6

Is the above device meant to be connected to laptop's USB to enable laptop
to connect to weak Wifi signals?  I have one in my store somewhere but
lost the media/driver: if it helps, can anyone point me to the driver/software
site to download?
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sunhuxAuthor Commented:
Can the above device be connected to my home broadband Wifi router's
USB port to boost its signal as well?
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Omar SoudaniSenior System EngineerCommented:
It should work, you can download the driver from here:

https://www.tp-link.com/us/download/TL-WN822N.html#Driver
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sunhuxAuthor Commented:
The downloaded driver at the above link for my version does not have Autorun
(which the Installation Guide suggested : the guide mentions insert CD & run
 Autorun from it).

The downloaded zipped driver file only contains *.inf, *.sys & *.cat files when
unzipped.
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Omar SoudaniSenior System EngineerCommented:
Do you have Windows operating system? Please make sure that you're downloading the correct driver; I just downloaded the one for windows extracted the files and I got the setup file ready; I attached the files:
driver.png
driver-2.png
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sunhuxAuthor Commented:
Ok, I just unzipped them to a dir, insert the device into USB port
of my laptop & a Wizard pops up : I then select in the Wizard to
install from the "unzipped"  
c:\dir\TL-WN822N_v3_130107\Driver Files
& the Wizard completes the installation.

Pressed the button on this TPLink gadget & the green light did blink
& I got an extra Wifi NIC created in my Win XP's bottom bar :
this time, at that reading room, continuous "ping -t gmail.com"
gives 20-30ms (with no timeout, unlike previously which gave
hundreds-thousands of ms) but the number of bar (ie signal
strength) for the Wifi is still at 1 bar.

I used a USB extender cable (3m) to connect to my laptop to this
TPLink device so that the device can be placed outside of the reading
room's thick wooden door: the ping roundtrip improved from 2-20ms
(with no timeouts), but the number of bar remains at 1
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Omar SoudaniSenior System EngineerCommented:
Glad that made an improvement; all I can say now is to keep trying different spots until you get the best connection signal.
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sunhuxAuthor Commented:
I said too soon, now I'm getting intermittent disconnection which may
last 2-3mins (even with the USB extender outside the door) resulting
in the ping "Destination host unreachable":  had to click on "Repair".

Should I buy  an even longer USB cable like this one below so that I
could move the spot further away:
https://www.lazada.sg/products/usb-male-to-female-active-extension-extender-cable-cord-10m-intl-i10529991-s13173627.html?spm=a2o42.searchlist.list.1.6d0e63cfwtMA9Q&search=1

Or are there better products out there that won't need a USB
extender cable?
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Omar SoudaniSenior System EngineerCommented:
First let's try to change some of windows xp power options:

1- Run " devmgmt.msc " from the start menu (Device Manager)
2- Expand the "Universal Serial Bus controllers" and double click on one of the "USB Root Hub" devices
3- Go to the Power Management tab of the USB Root Hub and uncheck the option next to "Allow this computer to turn off this device to save power" and click OK.
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sunhuxAuthor Commented:
Ok just done that.  Is a reboot of the  Windows needed?
I just click "Connect" again to the weak Wifi signal after
doing the above: still trying to connect after 2 mins.

Will try reboot
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sunhuxAuthor Commented:
rebooted as well and checked that the "USB Hub"  Power Management is
still unchecked after booting up.
It still come up with intermittent connection to that weak SSID.

Do we need the TPLink utility?  The installation guide seems to say we
can use Windows to connect instead of the TPLink utility.
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sunhuxAuthor Commented:
Downloaded the TPLink utility : seems like the utility has both driver plus utility
in it (can't separate them) : earlier on, I've installed only the driver, this round,
I installed both utility plus driver & then rebooted.

Launched this utility & everything is greyed out except an option to select
the NIC : after selecting the TPLink NIC, it gave the error in attached screen.
TPLinkWifierr.jpg
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