Packard Bell LJ65 manual No Display Issue, No Post or Video

Models: LJ65

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No Display Issue

If the Display doesn’t work, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs:

 

 

 

 

 

 

 

 

Replace CPU

 

 

 

 

 

 

 

 

No

 

CPU OK?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rep lace

 

 

 

 

 

LCD module

 

No

 

 

LC D panel/

 

 

 

 

 

OK?

 

 

 

 

 

 

 

 

 

 

LC D cab le

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VGA BD

Con nect it well

 

 

 

 

 

 

 

No

 

 

 

OK?

o r Replace VGA

 

 

 

 

 

 

 

 

 

Or

Conn ect it well?

 

 

 

BD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

START

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

goto no p ower

Power On ?

 

No

 

 

trouble sho oting

 

 

 

 

 

 

 

 

 

step

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ext. DDRRAM

 

 

 

 

 

 

 

 

 

 

Conn ect

module well

 

No

 

 

 

 

 

it well

connected?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ext. DDRRAM

 

 

 

 

Replace

 

No

 

 

Ext. DDR RAM

module OK?

 

 

 

 

 

 

 

module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rep lace M/B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C PU well

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

Conn ect it well

con nected?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No POST or Video

If the POST or video doesn’t display, perform the following actions one at a time to correct the problem.

1.Make sure that the internal display is selected. On this notebook model, switching between the internal display and the external display is done by pressing Fn+F5. Reference Product pages for specific model procedures.

2.Make sure the computer has power by checking at least one of the following occurs:

Fans start up

Status LEDs light up

If there is no power, see “Power On Issue” on page 140.

3.Drain any stored power by removing the power cable and battery and holding down the power button for 10 seconds. Reconnect the power and reboot the computer.

4.Connect an external monitor to the computer and switch between the internal display and the external display is by pressing Fn+F5 (on this model).

If the POST or video appears on the external display, see “LCD Failure” on page 143.

5.Disconnect power and all external devices including port replicators or docking stations. Remove any memory cards and CD/DVD discs. Restart the computer.

If the computer boots correctly, add the devices one by one until the failure point is discovered.

6.Reseat the memory modules.

7.Remove the drives (see “Disassembly Process” on page 50).

8.If the Issue is still not resolved, see “Online Support Information” on page 205.

Chapter 4

141

Page 151
Image 151
Packard Bell LJ65 manual No Display Issue, No Post or Video