Acer Veriton Z290G Support Question
Acer Veriton Z290G Support Question
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Question posted by ezaonancy on May 24th, 2014
Acer Veriton Z290g Wont Power On
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Current Answers
Answer #1: Posted by freginold on July 31st, 2014 8:54 AM
freginold
Member since:
December 20th, 2011 Points: 23,253,895
Member since:
December 20th, 2011 Points: 23,253,895
Often when a laptop won't power on, it's because of one of four things: the battery, the battery charger/AC adapter, the power board/battery charging board (if the laptop has one), or themotherboard.
You can attempt to rule out the battery by attaching the AC adapter and trying to turn the laptop on. If the laptop turns on when on AC power but won't turn on with the battery, then one of two things is happening: either the battery is bad, or the charger is bad and the battery has run down. If the laptop won't turn on with or without the AC adapter plugged in, then the battery is not the problem. If your AC adapter has an LED on it, you can often tell if the adapter isn't working because the LED won't light up. (However, just because the LED does come on doesn't mean the adapter is working as it should.)
If it doesn't seem to be either the charger/adapter or the battery, then you're probably looking at either the power board or motherboard. If you are comfortable taking the laptop apart, you might want to try replacing the power board, which is the board that the charger plugs into. Amazon.com sells power boards (also sometimes called power jack boards) for many laptops for between $15 and $30.
The motherboard is a more expensive option to replace, so a good rule of thumb is to try the less expensive parts first. If it still won't power on, you may have a bad motherboard, in which case it might be cheaper to get a new laptop than have the motherboard repaired or replaced.
You can attempt to rule out the battery by attaching the AC adapter and trying to turn the laptop on. If the laptop turns on when on AC power but won't turn on with the battery, then one of two things is happening: either the battery is bad, or the charger is bad and the battery has run down. If the laptop won't turn on with or without the AC adapter plugged in, then the battery is not the problem. If your AC adapter has an LED on it, you can often tell if the adapter isn't working because the LED won't light up. (However, just because the LED does come on doesn't mean the adapter is working as it should.)
If it doesn't seem to be either the charger/adapter or the battery, then you're probably looking at either the power board or motherboard. If you are comfortable taking the laptop apart, you might want to try replacing the power board, which is the board that the charger plugs into. Amazon.com sells power boards (also sometimes called power jack boards) for many laptops for between $15 and $30.
The motherboard is a more expensive option to replace, so a good rule of thumb is to try the less expensive parts first. If it still won't power on, you may have a bad motherboard, in which case it might be cheaper to get a new laptop than have the motherboard repaired or replaced.
Related Acer Veriton Z290G Manual Pages
Service Guide - Page 1
for more
information, go to http://csd.acer.com.tw
PRINTED IN TAIWAN Veriton Z290G All-In-One Computer Service Guide
Service guide files and updates are available on the Acer/CSD web site;
Service Guide - Page 3
...their respective holders.
Any Acer Incorporated software described in this...Acer Incorporated.
Disclaimer
The information in any language or computer language, in this guide is sold or licensed "as is a registered trademark of Acer Incorporated. Other brand and product names are trademarks and/or registered trademarks of Acer Incorporated. All rights reserved. Veriton Z290G...
Service Guide - Page 5
.../channel to provide you should check the most up-to-date information available on card, modem, or extra memory capability).
Veriton Z290G AIO Computer Service Guide
v If, for whatever reason, a part number change is made, it will NOT be noted...Service Guide provides you with further technical details. add-on your regional Acer office to those given in the printed service guide.
Service Guide - Page 7
... Fan 39 Removing the Heat Sink 40 Removing the Memory Modules 41 Removing the Webcam Cable 42 Removing the Power Button/LED Assembly 42 Removing the Speakers 43 Removing the Mainboard 44
vii
Veriton Z290G AIO Computer Service Guide System Utilities 9
CMOS Setup Utility 9 Accessing the Setup Utility 10 Navigating through the Setup...
Service Guide - Page 10
Component Security
Power management
Description • BIOS-based user and supervisor passwords • Hardware monitor • Kensington lock • ACPI 2.0-compliant • Energy Star 5.0 ... mm
Environmental Requirements
Aspect Operating temperature Operating humidity
Description 5 to 35 °C (41 to 95 °F) 15% to 80% RH non-condensing
2
Veriton Z290G AIO Computer Service Guide
Service Guide - Page 11
Front View
Item 1 2 3 4 5
Component Integrated webcam Integrated microphone Display screen Speakers Power button/indicator • Green - System is in standby mode
Veriton Z290G AIO Computer Service Guide
3 System is in power-on mode • Amber - System Tour
The pictures and tables in this section illustrate the physical outlook of the computer.
Service Guide - Page 13
Left and Rear Views
Item 1 2 3 4 5 6 7 8 9 10 11 12 13
Component Ventilation slots Mounting holes for wall mount option Optical disc drive (ODD) Kensington lock slot Slot for optional VGA out port Slot for optional serial port Computer stand Power jack Ethernet port (RJ-45) USB ports PS/2 mouse port PS/2 keyboard port Line-out jack
Veriton Z290G AIO Computer Service Guide
5
Service Guide - Page 17
...the power management modes • Setting up system passwords or making other changes to the security setup • When trying to resolve IRQ conflicts • When a configuration error is turned off. Veriton Z290G ..." messages, the RTC battery located on the mainboard (BT1) may be retained when power is detected by the system and you are already properly configured and optimized, there is...
Service Guide - Page 19
...
• Load Default Settings
• Integrated Peripherals
• Save & Exit Setup
• Power Management Setup
• Exit Without Saving
NOTES • The screenshots used in this key: •...selections from a pop-up menu, closes the pop-up the General Help window. Veriton Z290G Service Guide
11 Press these legend keys and their respective functions. Press to work ...
Service Guide - Page 25
... . Value
Yes No S3 (STR) S1 (POS)
Enabled Disabled
Enabled Disabled Enabled Disabled
Enabled Disabled
Power Off Power On Last State
Veriton Z290G Service Guide
17 Power Management Setup
Field ACPI Aware OS
ACPI Suspend Mode
Power On by RTC Alarm Power On by Onboard LAN Wake Up by PS/2 KB/Mouse Wake Up by USB KB...
Service Guide - Page 33
... disassemble the computer for the different components vary in size. Unplug the power cord from the computer. 5.
Unplug the network cable and all peripherals. 3. Make sure that the optical disc drive and the card reader slot are empty. 2. Veriton Z290G AIO Computer Service Guide
25 System Disassembly
Chapter 3
This chapter provides step-by...
Service Guide - Page 43
Remove the screw securing the ODD bracket to the chassis. Quantity 1
Color Chrome
Torque 4.0 +/- 0.3 kgf.cm
Part Number 86.00K96.644
Veriton Z290G AIO Computer Service Guide
35 Disconnect the ODD power and data cables from the mainboard, then the ODD SATA cable from the
ODD.
3. Remove the LCD assembly by following the procedure...
Service Guide - Page 50
... LCD assembly by following the procedure described on the page 30. 2. Disconnect the webcam cable from the mainboard.
42
Veriton Z290G AIO Computer Service Guide Remove the LCD assembly by following the procedure described on the page 30. 2. Removing the Webcam Cable
1. Disconnect the power button/LED cable from the mainboard. Removing the...
Service Guide - Page 51
Disconnect the speaker cable from the front bezel.
Veriton Z290G AIO Computer Service Guide
43 Remove the LCD assembly by following the procedure described on the page 30. 2. 3. Remove the power button/LED assembly from the mainboard. Removing the Speakers
1.
Service Guide - Page 52
...Remove the ODD by following the procedure described on the page 30. 2. Remove the power button/LED assembly by following the procedure described on page 42. 8. Remove the screws...10. Quantity 5
Color Chrome
Torque 4.5 +/- 0.3 kgf.cm
Part Number 86.7A554.6R0
44
Veriton Z290G AIO Computer Service Guide
Remove the speakers by following the procedure described on page 40. 6. ...
Service Guide - Page 55
.... • Check if the voltage selector switch is no point of the system failure. 2. Veriton Z290G AIO Computer Service Guide
47 Procedures for the location and description of the failure is still can cause a power short. Non-Acer products, prototype cards, or modified options can be determined, perform the "System Internal Inspection" procedure described...
Service Guide - Page 56
...POST messages and BIOS checkpoints during the system startup. These are Acer-qualified and supported. 10.
Boot Block Initialization Code Checkpoints
The ... that show the value of the screen during bootblock and Power-On Self Test (POST) to as a POST card...the system is enabled. This display method is enabled.
48
Veriton Z290G AIO Computer Service Guide
Check if waking up the chipset, ...
Service Guide - Page 58
...initialized at this point. Initializes both the 8259 compatible PICs in the system.
50
Veriton Z290G AIO Computer Service Guide
Initialize language and font modules for ADM module and uncompress it... presence of Keyboard in the Kernel Variable "wCMOSFlags."
GPNV is bad, update CMOS with power-on POST entry and GPNV area. Initializes different devices. Set the window for EGA, ...
Service Guide - Page 60
...message will switch to boot successfully. This message is recommended that is corrupted.
52
Veriton Z290G AIO Computer Service Guide
Function 0 disables all PnP and PCI boot devices.
It ... It also assigns PCI bus numbers. Static resources are set at various times during POST (Power On Self Text), the Setup utility will only occur on the screen. POST Error Indicators
When...
Service Guide - Page 64
...the Checksum check. This may occur for both Supervisor and User password verification.
56
Veriton Z290G AIO Computer Service Guide User needs to unlock the keyboard to the device.
Keyboard ... the hardware is not responding when the keyboard controller is locked. A reset or power cycle is low. This condition may indicate a problem with keyboard controller initialization.
Message...
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