If power quickly reappears on that wire, the system may attempt to come back on by itself, which causes the symptom of continual reboots. If power disappears from that wire, the motherboard shuts down. For example, pin eight on the power supply connector connects to the power good wire on the motherboard. Use a multimeter to test the power supplyĪ failing power supply can cause the computer to continuously reboot. Avoid using PPTP with MS-CHAPv2 in a VPN over open wireless configuration, as these protocols are no longer considered secure. This behavior would result in HTTP/HTTPS traffic being transmitted over the unsecure open wireless network instead of through the secure VPN tunnel. To conserve VPN bandwidth and to improve latency, many VPN solutions automatically reroute web browsing traffic through the client's default network connection instead of through the VPN tunnel. You should also configure the browser's HTTPS requests to go through the VPN connection. It is recommended that you use IPsec or SSL to secure the VPN, as these protocols are relatively secure. As long as strong tunneling ciphers and protocols are used, the VPN provides sufficient encryption to secure the connection even though the wireless network itself is not encrypted. It is generally considered acceptable to use a VPN connection to securely transfer data over an open Wi-Fi network. Configure the browser to send HTTPS requests through the VPN connection. Configure the VPN connection to use IPsec.Ģ.