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BIOS Beep Codes. If Beep sounds. Check the following link to check to confirm the issue. http://www.5starsupport.com/info/beep_codes.htm No Power. # Check if there is light in the charging port. (If Yes, Issue goes to NO Boot) # If no light, Check Ac adapter warms up or not. (If not Replace AC adapter) # Check the pin in the charging slot is steady or wiggling. (If Pin is wiggling Replace Laptop) No Boot. # If lights on the unit are on and Blank Screen Press F10 and try to go to BIOS. # Power Drain. # F10 - BIOS, F9 - BIOS default. # F8 - Advance Boot Options 1) LKGC and 2) Safe Mode. # F10 - BIOS, Diagnostics - Hard Drive Self Test. # RAM and Hard Drive Reseat. (Prefer Service Media Library) # HP Recovery. (To be Done in Safe of Mode) # Bench The Product. CD/DVD. # Check Drive Detection.(In Device Manager) (Play a CD to Check) (If drive doesn't gets detected.) # Delete Upper and Lower Filters. (If not then Reseat) # After reseat doesn't works replace it. # If after Step 3, it gets detected. (But Doesn't Reads then) # Uninstall and Re-install Drivers.(Generic Drivers) # Go to HP.com to see Updates.(Check for Download Update it) # System Restore. # Optical Drive Reseat.(Prefer Service Media Library) # HP Recovery. (To be Done in Safe Mode) # Replace Optical Drive. (If noise comes from Drive while playing a particular CD, then CD is corrupted.) USB. # Plug the USB device into another port of the same system. (If works in another port or not.) # Go to Device Manager - USB - Uninstall and Re-install Root Hubs. (Every Driver) # Perform BIOS update. (Still doesn't works in the same port) # HP Recovery. .( Can be done by F11, User created CD and Recovery manager in OS) # Bench The Unit. (Before performing step 1, check connecting USB drive to different Unit to Check whether the USB drive itself is corrupt or not.) Battery. # Battery Health Checkup. (BAD/WEAK/REPLACE - replace) (Calibrate - Charge up to 100% - utilize battery up to 98%. Step to be performed 2 times. Recommended to be done in Safe Mode.) # BIOS update. .(Find update on HP.com) # Re-installation of Battery Drivers. # Replace, If in Warranty. Purchase, if out of Warranty. Mouse/Touch pad. # Control panel - Classic View - Mouse ][ Pointer options. # Uninstall and re-install Drivers. (Do it from Device Manager) # Update Drivers.(Do it from Recovery Manager) # BIOS update. .(Find update on HP.com) # HP Recovery.( Can be done by F11, User created CD and Recovery manager in OS) # Bench the Unit. Keyboard. # (Keys popping off) - Ask when, where & how after which bench the same. # (Keys not working - T/shooting in normal mode.) Bios update From HP.com, Bench. # (Keys Beeping) - HP Recovery - Bench. # (Typing something and another character typing) - uninstall drivers - BIOS update. (Find update on HP.com) - HP Recovery - Bench the System. Web cam. # See whether the Cust. System has a Web cam or not. (Check from HP.com or see at the top rim of the Screen it has a sensor like thing in the center.) # Check which software he is using for the web cam (Quick Play, Cyber Link U Cam, HP Media Smart). # Re-install the software before performing Recovery if all the troubleshooting steps don't work. # Uninstall and re-install, BIOS Update, Hp Recovery, Bench the system. No Video. # Check whether the External video is connected. (Fn + F4 procedure). # F10 BIOS - F9 BIOS default. # BIOS Update. .(Find update on HP.com) # HP Recovery. (Can be done from F11 and User created CD) # Bench the Unit. (Exceptional step - Reseat RAM) No Sound. # Start > control panel > sound > mute or un mute. # Uninstall and Reinstall Drivers.(To be done from Recovery Manager) # Update BIOS.(Find update on HP.com) # System Restore. # HP Recovery. # Bench the System. (Control Panel > Sound and Audio devices > Volume > Speaker Settings > Advanced > Select - Laptop Stereo Speaker) Wireless. DHCP: - It throws the IP address. Wireless light is blue: - # Check Drivers status. # Go to - IPCONFIG. (Will show the ip address whether it's good or bad) (192. - Good) (169. - Bad IP) (Media Disconnected) (0.0.0.0 - No connection). How to troubleshoot in 192 IP: - # Uninstall & reinstall the drivers from Recovery manager. # Ping - Google or Yahoo. (See 4 packets sent and 4 packets received) If receives then error is in my system. # Network and internet/sharing center - Manage Wireless Network. (Refer Vistualise) - select and remove all the Networks. # Add new Network (Setup a wireless router or access point). # Security and Encryption type should be - WEP - Wireless Encryption Protocol. # Change security key from routers homepage. # Press F8 - Safe mode with Networking (If works in Safe mode). # Download the Norton removal tool. (Still not working)(Go to google and type symntr and click on the first link it shows) # Reseat the wireless card. (Prefer Service Media Library) # Hp Recovery. # Replace the Wireless Card. # Bench the SYSTEM. Wireless light is Amber: - # Check the Networks. # Check Drivers and Uninstall and Re-install. (Check turning blue or not) # Do a BIOS Default. (Still not working) # Check the IP address.(IPCONFIG) # 169 - Safe mode with Networking. # 169 - Reseating TCP/IP Stack. # Hp Recovery. # Bench the SYSTEM. To release and renew the IP address, if it shows 169 IP. IP CONFIG RELEASE IP CONFIG RENEW NETSH WINSOCKRESET Specific Info for Wireless troubleshooting: - · IP address starting with 192 is an Ideal IP address, whereas IP address starting with 169 is a Bad IP. · Ipv4 is the current version of IP. · IP address consists of 4 parts. Each part has digits separated with periods as: - x.x.x.x. · An IP address is assigned to a system from the SERVER. ( MODEM/ROUTER). · Each IP address is connected to default user-friendly names : as Yahoo, Google. · To find IP address and Default gateway address : · Start > Search > CMD (command prompt) > (Command) IPCONFIG . · To configure a Router we require the Default gateway address. The first access to the PC is the Default Gateway. · Certain Security features : · SSID{Network Name or Secured Set Identifier} attribute of router. · WEP, WPA, MAC filtering. · Reseating of Wireless Card. (Prefer Service Media Library) · Replacing Wireless Card. · Bench the System. When IP address is 169 or other issues, the following steps can be performed: - * Power Cycle step to be done. * Uninstall and Re-install the Wireless Driver(to be done from Recovery Manager). * Reset TCP/IP stack. (1. netsh_int_ip_reset_restlog.txt and reboot the system /2. Go to Network Area Connection Status > Network Area Connection Status Properties > See the Connection uses for following Item, Block : Right Click on Internet Protocol (TCP/IP) and select Properties > See the Image Below……

) http://www.umassd.edu/cits/network/images/vistacon5.jpg Copy this link for TCP/IP stack Image and search in google. * Try Connect via Wired Connection. * Restore the Router to Factory Setting.(See the Image Below).

http://www.networksecurity.homecall.co.uk/an_eas47.jpg Copy this link for Belkin router Configuration page Image and search in google. * Reset the Modem.(POWER CYCLE) (See the Image Below) * Try IPconfig /release and IPconfig /renew. (go to command prompt and do) (See the image below).

IPCONFIG /release http://gospeedtest.com/ipconfig-release.jpg Copy this link for IP release Image and search in google. IPCONFIG /renew http://www.windowsnetworking.com/img/gif_w2k/w2knet46.gif Copy this link for IP renew Image and search in google. * Try Ping 127.0.0.1- NIC Card.(LOOP BACK ADDRESS) ( if want to check NIC Card is corrupt)

http://blogs.howtogeek.com/mysticgeek/files/2007/09/111.png Copy this link for Ping 127.0.0.1 Image and search in google. * Do a System Restore. * HP Recovery. * Bench the System.

192.168.2.1 (Belkin Router Page) 192.168.1.1 (Linksys router page) 192.168.0.1 (Netgear Router Page) 192.168.1.1 (Livebox Router Page) 192.168.0.1 (D-Link Router Page)

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16y ago

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