My compaq r4000 connected to my previous router automatically and without the use of an adapter. Since I switched to Comcast who uses a netgear router, my laptop does not see the router or automatically connect unless I use a USB wireless adapter.
Some later model wireless routers have the Password(ie.Encryption key) and the SSID already configured in the wireless router andthis information is printed on a label on the bottom of the router.
These settings can be used to configure the wireless card and wireless adaptersin your computer/laptop.
If these settings do not suit you, then it can be changed to suit yourrequirements.
The encryption key secures your data and wireless connection from unauthorizedaccess.To configure the wireless settings in the router, connect a LAN cablefrom your computer to the wireless router, then open a Browser on your computerand enter the router's configuration IP address, then enter the admin login andpassword and then go to the wireless settings and configure the SSID and Encryptionkey.
The router's encryption key can be a Passphrase or the WEP or WPA or WPA2key.If you use the Passphrase method select either WEP or WPA or WPA2 togenerate the encryption key. You can enter the WEP or WPA or WPA2 key with 8 to63 ASCII characters or 64 Hex digits.
Most people use Passphrase which is easier to remember eg. I was born inJanuary 1988.
The strongest and latest security is WPA2, the weakest and oldest is WEP. To connect to your wireless router from the computer/laptop,configure the wireless card in your computer/laptop with the router's wirelesssettings ie SSID, plus the WPA or WPA2 encryption key. Then computer/laptopscan communicate with your wireless router.http://www.fixya.com/support/r10267861-network_security_key
SOURCE: KEYBOARD DRIVER FOR COMPAQ R4000
There is no driver from Compaq because it just uses a standard driver from the operating system.
Try removing the keyboard from the device manager.
Then restarting the computer.
Let me know what happens.
SOURCE: I have a compaq presario r4000 will not boot up correctly
When you start it up, go to the BIOS option and select "peripheral" settings. I don't know which column its under but you want to turn the network adapter off. If that makes your Operating System come up working (And you may have to come up in SAFE mode the first time), then you can always go back and reset the BIOS to recognize the network adapter, or install a different one.
SOURCE: SATA 2.5 connectors different than current Presario R4000 laptop
It seems that your notebook does not have sata connection to Hard drive. Your harddrive is IDE connection. Sorry but you can't use SATA on this laptop.
SOURCE: problem with compaq presario r4000 constant beeping no keyboard
Need to know the number of beeps. They're called beep codes. This page lists some of the Compaq beep codes and what they mean.
http://www.bioscentral.com/beepcodes/compaqbeep.htm
SOURCE: installing XP SP2 on Compaq Presario R4000, after
Run a HDD Test
Restart Computer -> Immediately keep tapping F10 Key which is on 1st row of Keyboard
Go to diagnostics with your arrow keys
Go to Primary HDD Test -> Press Enter ->
See the Test result
If Fail then Contact HP for Replacement of HDD or Service
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