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Student
helenhelenhelen
Posts: 1
Member Since: ‎09-21-2010
Message 1 of 11 (19,511 Views)

HP Compaq 6735s won't start up

When i turn my compaq 6735s laptop on the fan starts, the caps lock light flashes, the cd drive light flashes and the cd drive makes a noise but the screen does not start. If i remove the mains adapter plug the same thing happens, and the same thing happens if i remove the battery but leave in the mains adapter plug. The exact same thing happened the other day but then it just turned itself on in the middle of the night and was then fine. A few weeks ago it wasn't turning on at all so i bought a replacement mains adapter from ebay which has worked until now. I tried a hard reset which did not work. the mains adapter socket on the laptop does not turn orange when the adapter is plugged in. Any help would be greatly, massively appreciated, should i just buy another mains adapter? Thank you..
Associate Dean
Mumbodog
Posts: 11,026
Member Since: ‎01-11-2010
Message 2 of 11 (19,485 Views)

Re: HP Compaq 6735s won't start up

Sometimes the mains adapter socket (DC socket) are damaged, this is common on HP laptops.

 

You can take a flashlight and look in the socket, see if you can spot any damage to the center pin.

Top Student
reallybig
Posts: 7
Member Since: ‎09-26-2010
Message 3 of 11 (19,440 Views)

Re: HP Compaq 6735s won't start up

[ Edited ]

same thing happened to me

 

nothing wrong with the power socket battery is fully charged and got a new power cable a few weeks ago

Associate Dean
Mumbodog
Posts: 11,026
Member Since: ‎01-11-2010
Message 4 of 11 (19,425 Views)

Re: HP Compaq 6735s won't start up

Caught this suggestion on the Internet the other day, don't remember where, it was for W7, may work for other OS's as well.

 

 

Disconnect AC
Shutdown
Remove battery
Connect AC
Startup
Open Device Manager
Under the Batteries category, right-click all of the Microsoft ACPI Compliant Control Method Battery listings, and select Uninstall (it’s ok if you only have 1).
Shutdown
Disconnect AC
Insert battery
Connect AC
Startup

 



 

see if will start charging.

Top Student
reallybig
Posts: 7
Member Since: ‎09-26-2010
Message 5 of 11 (19,409 Views)

Re: HP Compaq 6735s won't start up

the battery is fine on mine and the power lead is fine it's the actual computer thats narked

 

won't start up atall and have already removed battery removed power restarted, removed disc drive, restarted, removed ram reinserted and restarted and still nothing

Top Student
reallybig
Posts: 7
Member Since: ‎09-26-2010
Message 6 of 11 (19,365 Views)

Re: HP Compaq 6735s won't start up

anymore ideas?

Top Student
reallybig
Posts: 7
Member Since: ‎09-26-2010
Message 7 of 11 (19,337 Views)

Re: HP Compaq 6735s won't start up

bump need fix as can't afford new laptop

Student
makamlad
Posts: 1
Member Since: ‎10-02-2010
Message 8 of 11 (19,302 Views)

Re: HP Compaq 6735s won't start up

LED LocationComponent TestedError Condition
Battery power LED off, and Caps Lock/Num Lock offBattery or AC AdapterAC adapter not connected or failure

Battery low charge or failure
Battery power LED blinkingBatteryInsufficient charge on the battery
Blink: 1 - Caps Lock/Num LockCPUCPU not functional
Blink: 2 - Caps Lock/Num LockBIOSBIOS corruption failure
Blink: 3 - Caps Lock/Num LockMemoryModule error not functional
Blink: 4 - Caps Lock/Num LockGraphicsGraphics controller not functional
Blink: 5 - Caps Lock/Num LockSystem boardGeneral system board failure
Blink: 6 - Caps Lock/Num LockBIOSBIOS authentication failure

 

Top Student
reallybig
Posts: 7
Member Since: ‎09-26-2010
Message 9 of 11 (19,277 Views)

Re: HP Compaq 6735s won't start up

it blinks once i think so in otherwords my cpu is fried and its buggerd...

 

terrific after less than 2 years of use

Top Student
reallybig
Posts: 7
Member Since: ‎09-26-2010
Message 10 of 11 (17,125 Views)

Re: HP Compaq 6735s won't start up

figured out whats wrong with it. It overheated and melted foam onto one of the contacts on the mobo just below the processor socket to the left of the copper screw hole. **bleep** thing.

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