Acer Aspire 5750 Support Question
Acer Aspire 5750 Support Question
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Question posted by desmolino on August 22nd, 2014
Acer Aspire 5750-9292 Power Light Flash Battery Flash Wont Turn On
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Current Answers
Answer #1: Posted by freginold on August 26th, 2014 3:06 AM
freginold
Member since:
December 20th, 2011 Points: 23,253,885
Member since:
December 20th, 2011 Points: 23,253,885
When a laptop won't power on, it's often 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 Aspire 5750 Manual Pages
Quick Start Guide - Page 7
....
7
Click buttons (left The left and right mouse buttons.
8
Microphone
Internal microphone for sound recording. Indicates the computer's power status. For entering data into your computer. Charging: The light shows amber when the battery is active.
Indicates the computer's wireless connectivity device status. Touch-sensitive pointing device which functions like
and right)
the...
Quick Start Guide - Page 8
...the selected media file. Sleep
Puts the computer in the hotkey combination. Turns the display screen backlight off . Brightness down Decreases the sound volume.
Play/Pause
... power.
Press any key to the previous media file. Previous
Return to return. Hotkey
Icon
+
+
Function
Description
Communication Enables/disables the computer's communication devices. Speaker toggle Turns the...
Quick Start Guide - Page 9
...
7
Closed front view
12
# Icon 1
2
Item
Description
Multi-in AC mode.
1. Rear view
# Item 1 Battery bay
1
Description Houses the computer's battery pack. HDD indicator
Indicates when the hard disk drive is charging. 2.
Charging: The light shows amber when the battery is active. The front panel indicators are visible even when the computer cover is...
Service Guide - Page 5
... System 1-5 Platform 1-5 System Memory 1-5 Display 1-5 Privacy Control 1-6 Storage Subsystem 1-6 Graphics 1-6 Audio Subsystem 1-7 Optical Media Drive 1-7 Communication 1-7 Dimension and Weight 1-8 Power Adapter and Battery 1-8 I/O Ports 1-8 Special Keys and Controls 1-9 Environment 1-9 Warranty 1-9 Optional Items 1-9 Software 1-10
Notebook Tour 1-11 Top View 1-11 Closed Front...
Service Guide - Page 6
... Card 1-34 3G Card 1-34 Audio Codec and Amplifier 1-35 Audio Interface 1-35 Wireless Module 802.11b/g/n 1-36 Battery 1-36 VRAM 1-36 USB Port 1-37 HDMI Port 1-37 AC Adapter 1-37 System Power Management 1-38 Card Reader 1-38 System LED Indicator 1-39 System DMA Specification 1-39 System Interrupt Specification 1-40 System IO...
Service Guide - Page 10
CHAPTER 7 Model Definition and Configuration
Aspire 5750 7-3 Aspire 5750G 7-17
CHAPTER 8 Test Compatible Components
Microsoft® Windows® 7 Environment Test 8-4 Aspire 5750/5750G 8-4
CHAPTER 9 Online Support Information
Introduction 9-3
http://xmycomp.su
Service Guide - Page 12
... System 1-5 Platform 1-5 System Memory 1-5 Display 1-5 Privacy Control 1-6 Storage Subsystem 1-6 Graphics 1-6 Audio Subsystem 1-7 Optical Media Drive 1-7 Communication 1-7 Dimension and Weight 1-8 Power Adapter and Battery 1-8 I/O Ports 1-8 Special Keys and Controls 1-9 Environment 1-9 Warranty 1-9 Optional Items 1-9 Software 1-10
Notebook Tour 1-11 Top View 1-11 Closed Front...
Service Guide - Page 18
...cell battery pack
Power Adapter and Battery
0
ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving modes
Battery
48 Wh 4400 mAh 6-cell Li-ion standard battery pack
Battery life: 4.5 hours
ENERGY STAR®
AS5750
0
Power adapter... jack, supporting 3.5 mm headset with built-in microphone for Acer smart handhelds
Microphone-in jack
Ethernet (RJ-45) port
DC...
Service Guide - Page 22
... pointing device which functions like the left and right buttons function like a computer mouse. Communication indicator
Power indicator
Indicates the computer's wireless connectivity device status. Charging: The light shows amber when the battery is active. Fully charged: The light shows blue when in AC mode.
7
Click buttons (left and The left and
right)
right...
Service Guide - Page 23
Closed Front View
Table 1-2. NOTE:
Push to remove/install the card. Communication indicator
Power indicator
Indicates the computer's wireless connectivity device status. Charging: The light shows amber when the battery is active. Only one card can operate at any given time.
2
HDD indicator
Indicates when the hard disk drive is charging. Indicates the computer...
Service Guide - Page 30
... any key to access most of the computer's controls like screen brightness and volume output. Turns the display screen backlight off . Turns the touchpad on and off.
+
Speaker toggle
Turns the speakers on and off to save power.
Keyboard Hotkeys
To activate hotkeys, press and hold the key before pressing the other key in...
Service Guide - Page 33
...
Dimensions
Length
381.6 mm
15.03"
Width
253 mm
9.96"
Height
33.2 mm
1.3"
(front to rear)
Weight (equipped with optical < 2.6 kg drive, flash drive, and battery)
< 5.72 lb
Input power
Operating voltage
18.55V~19.95V
Operating current
65W 3.42A(Max) 90W 4.74A(Max)
Temperature
Operating (not writing to optical disc)
0°C to...
Service Guide - Page 49
...;Cсoтnfиiguиraкtioоnмs 1с-3м9 Battery full Amber blinking - Battery in low power state
Discharging Amber and blinking -
System LED Indicator
Item Lock System state
HDD access state Wireless state
Power button backlight Battery state
Specification
N/A
Blue color solid on: System on Blue color and amber color...
Service Guide - Page 66
... memory related drivers (XMS, EMS, DPMI) when BIOS Flash is used . NOTE: NOTE: Use AC adaptor power supply when running BIOS Flash utility.
Use the Flash utility to finish loading BIOS Flash, do not boot system. If battery pack does not contain power to update the system BIOS Flash ROM. Boot system from bootable USB HDD. Prepare a bootable...
Service Guide - Page 139
... 4а-5 Switching between the internal display and the external display is by removing the power cable and battery. Hold the power button for specific model procedures.
2. Start the computer. Reference Product pages for 10 seconds.
4. Make sure the computer has power by pressing Fn+F5. If the computer boots correctly, add the devices one...
Service Guide - Page 157
...time of the following devices: Non-Acer devices Printer, mouse, and other external devices Battery pack Hard disk drive ...computer. When analyzing an intermittent problem, perform the following procedures to determine that the power supply being used at least 10 times. 2. FRU replacement should be caused by ...
Service Guide - Page 174
... Password and User Password). Disconnect RTC Battery. 4. CMOS Jumper
Item
Description
J1 Clear...power from system. 3.
Remove HDD, AC adapter and Battery. 2. Use an electric conductivity tool to еrрLвoиcaсtiмonаs Steps for Clearing BIOS Password Check
0
If a BIOS password (Supervisor Password and/or User Password) is only for the Aspire 5750...
Service Guide - Page 177
..., the system auto restarts with a workable BIOS. 8. The Power button flashes once. 6. http://Jmumypceormanpd .Csounn-ecЗto initiate system CRISIS mode. 7. When CRISIS is saved ...in AC power adapter. 5. Update the latest BIOS version for this machine by the regular BIOS flashing process. Copy ROM (read-only memory) file, P5WEOX64.fd, ...
Service Guide - Page 181
Part number changes will not be noted on the regional web or channel.
For ACER AUTHORIZED SERVICE PROVIDERS, the Acer office may have a DIFFERENT part number code from those given in global configurations for the Aspire 5750/5750G. FRU (Field Replaceable Unit) List
This chapter provides users with a FRU (Field Replaceable Unit) listing in the...
Service Guide - Page 279
... testing department. All of its system functions are tested under Windows® 7 environment. Refer to the Aspire 5750/5750G.
Test Compatible Components
This computer's compatibility is tested and verified by the Acer Mobile System Testing Department. Regarding configuration, combination and test procedures, please refer to the following lists for components, adapter cards, and...
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