Acer 8935G manual No Display Issue, Start

Models: 8935G

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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

LCD panel/ No LCD cable

LCD module

OK?

Replace

M/B

START

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

goto no power

Power On?

 

No

 

 

trouble shooting

 

 

 

 

 

 

 

 

 

step

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ext. DDRRAM

 

 

 

 

 

 

 

 

 

 

Connect

module well

 

No

 

 

 

 

 

it well

connected?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ext. DDRRAM

 

 

 

 

Replace

 

No

 

 

Ext. DDR RAM

module OK?

 

 

 

 

 

 

 

module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU thermal

 

 

 

 

 

 

 

 

 

 

 

 

module well

 

No

 

 

Screw it well

 

 

screw?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 196.

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 199.

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 54).

8.If the Issue is still not resolved, see “Online Support Information” on page 305.

Chapter 4

197

Page 207
Image 207
Acer 8935G manual No Display Issue, Start