Dell P776N Laptop User Manual


 
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CHAPTER 6: TROUBLESHOOTING
Keyboard
e keyboard is not responding:
Clean the keyboard by using an aerosol can of compressed air with a proper
extension to remove dust and lint trapped under the keys.
A keyboard character is repeating:
Make sure that there is nothing resting on any of the keys. 1.
Check that no key on the keyboard is stuck. Press each key to loosen any keys 2.
that may be stuck and then restart your computer.
Spills on the Keyboard:
If liquid of any kind is spilled on the keyboard, turn o the computer. Clean the
keyboard using the appropriate cleaning materials and turn it upside down to
drain it. Once the keyboard has dried, turn on the computer. If the keyboard does
not work, it needs to be replaced.
Keyboards damaged due to spills are not covered under limited warranty.
Memory
Memory errors detected on start up:
Check memory modules for correct seating and orientation. Reseat the 1.
memory modules if applicable.
Computers using a dual-channel memory conguration require that memory 2.
modules be installed in pairs. If you require assistance, please contact
Alienware Technical Support (for details, refer to “CONTACTING ALIENWARE“
on page 90).
Internet
Cannot browse the Internet/Error: “Unable to locate host.”:
Check that you are connected to the Internet. 1.
Check that the Web address typed into the address bar is correct and for a 2.
valid site. Try a dierent Web address, or URL.
If the error message still appears, disconnect from the Internet Service 3.
Provider (ISP) and close the browser. Reconnect and open the browser.
If the error message still appears, your ISP may be experiencing technical 4.
difculties.
Website connection is slow:
Internet performance can be aected by the following factors:
e condition of the telephone or network cables being used.
e condition of the network equipment at your ISP.
e graphics or multimedia on Web pages.
Multiple browsers, downloads, or programs open on your computer.