Acer Aspire V3-572PG :: Random Shutdown While On Battery Power

Mar 9, 2015

I have an Acer Aspire V3-572PG (about 4 months old), and the machine shuts down randomly when on battery power. It's happened when moving it from one place to another, or with subtle shifts on my lap, and sometimes just typing triggers a shutdown. However, it doesn't happen when plugged in. Battery has been fully charged; it's not overheating; it's not the fan; it's not dust; and I've run comprehensive anti-virus scans.
 
In the past, it's taken anywhere from an hour or two before it shuts down. Last night it happened simply when I unplugged the thing from the wall ... so, no moving/no touching of the computer, but shutdown when removing plug from wall!!???

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I bought an ACER ultrathin S7 392 about 7 months ago and for the last month it has been shutting down unexpectedly when on battery but not when plugged into the mains. There is no shutdown routine, crash or error message it just loses all power. A second issue which may or may not be related is that sometimes when i attempt to shutdown the unit it restarts instead. I have sent it back to ACER support to fix but I think they just reinstalled windows and when they sent it back they had not fixed the problem. I have since contacted them again and they said it was fine when it left the workshop.
 
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New British poster here, please be gentle ;] !

I'm glad I found some fellow XPS users, maybe you could give me some advice.

I got my new(ish) M1530 yesterday (refurb from Dell Outlet, saved me 200).
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I first noticed it when running 3dMark this morning to demo the XPS.

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I phoned Dell support (took 1.5 hours) and they/we found it shuts down in the diagnostics tests too.

Conclusion: Replace motherboard, engineer booked.

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I bought the Acer Aspire v3-771G. I've had no problems with it, but lately it shuts down randomly without any warning, like a power cut. I've checked the CPU Temps and overheating is not the problem. The computer sits on a Targus cooling pad and it doesn't get that hot around the fans. The problem occur when the pc is running games or processes (computer scans) that require more memory than when I'm just surfing. The problem happens all from 15 mins to 2 hours into a game or so (depends on how much memory that's used). I've been doing some research myself and it seems like a graphic problem.
 
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Windows 8.1 (Came with Windows 8.0)
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heres my laptop spec:

Notebook specifications

Acer Aspire 6920G-814G32Bn
:: Processor
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:: Mainboard
Intel PM965
:: Memory
4096 MB, DDR2 PC5300 667MHz, 2x 2048MB, max. 4096MB
:: Graphics adapter
NVIDIA GeForce 9500M GS - 512 MB, Core: 475 MHz, Memory: 400 MHz, ForceWare 167.64, 7.15.11.6764
:: Display
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:: Harddisk
320 GB - 5400 rpm, 320GB 5400rpm WDC WD3200BEVT-22ZCT0
:: Soundcard
Realtek ALC889
:: Connections
1 Express Card 54mm, 4 USB, 1 VGA, 1 HDMI, V.92 Modem, 1 Infrared, 1 Kensington Lock, Audio Connections: headphones (S/PDIF), microphone, Card Reader: 6in1,
:: Networking
Atheros AR8121/AR8113 PCI-E Ethernet Controller (10/100MBit), Intel Wireless WiFi Link 4965AGN (abgn), 2.0+EDR Bluetooth
:: Optical drive
Mata BD-CMB UJ-120 ATA
:: Size
height x width x depth (in mm): 44 x 275 x 385
:: Weight
3.28 kg Power Supply: 0.51 kg
:: Battery
48.8 Wh Lithium-Ion, 4400 mAh, 11.1V
:: Operating System
Windows XP pro sp3 patched

i have this shutdown problem. it started since i installing windows 7 into my laptop. my computer turns of itself after 10-30 seconds after an OS boot. except on safe mode option. the computer works fine on safe mode. at first, i thought that this due to software problems. then i think i should wipe out my OS and install new OS.but unfortunately, my laptop turns of itself while installing the OS!. this sound weird isnt it?

ive tried to use multiple OS to be installed. win7, vista, and even unbuntu OS also. but the turn off problem still occurs..

ive read from other post about the thermal issues, doing some patches at BIOS download from acer websites. now, im running on v1.14 for my BIOS. still. the turn off issues still occurs.

so, ive tried to look for the hardware malfunctions since trying to look at software problems cant find a clue.

after doin some reasearch and testing, ive notice that by disabling my duo processor in device manager, the computer works fine. by using single core processor now makes my laptop works fine. but surely, im running on low state now.

should i change my processor?

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Here will be more detailed specs. (ask if there's something missing)

Could be the voltage wrong? As i said - it's totally new laptop, i think this wouldn't be a dust problem.

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the only thing i havent tried is BIOS update.. but im having problem right now..
 
i tried last year to update my BIOS after that it went wrong the black "screen of death" they call.. so i sent my laptop to service center.. and it fixed!..
 
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