cmos/bios jumper acer aspire z5771
Hi, i need to know how to short the bios/cmos on the acer z5771 please help
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how to short the cmos/bios jumper acer aspire z5771
pewful2021
Member Posts: 4 New User
Hi, i need to know how to short the bios/cmos on the acer z5771 please help
[Edited the thread to add issue detail]
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Answers
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Not recommended if the BIOS is functioning properly.
Jack E/NJ
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Hello,
I want to reset it to see if my problem will be fixed
Problem : Everything turns on but no beep at all,
Solutions i have tried
1. Connecting the power brick to another outlet
2. Replacing CMOS battery
3. Connecting to an external monitor (via port in the back and straight from the gt520)
4. Reconnecting everything (litteraly everything)
The problem started when i was turning on the thing when suddenly there is a power outage for 10 sec.Please just show me how to reset the short the CMOS/BIOS
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The clear CMOS jumper is #20 on this diagram:
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Can you circle the area of the jumper please, because idk the exact location of the jumper.
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2. Replacing CMOS battery
Just remove the CMOS battery again. Then short its mainboard terminals for about 10 seconds. Did the problem happen suddenly for no apparent reason?
Jack E/NJ
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Here is the PDF SG section guide to reset the CMOS, also unplug the round bios battery get either a pair of steel tweezers or a paper clip and touch the +&- round bios battery pins and short them out for 5 seconds, as that also resets the CMOS, so do both.
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Which pin I should short ?
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To be safe, just remove the CMOS battery again. Then short its mainboard terminals for about 10 seconds. Did the problem happen suddenly for no apparent reason?
Jack E/NJ
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The jumper that is closest to that coil is the CMOS reset. You move the jumper from the pins it is on to the other side.
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