How do I reset my CMOS ?

NRT

New member
Power User
Local time
1:11 AM
Messages
375
Location
Kerala, India
Hi,

Plz help me to reset my CMOS... Seems my CMOS data corrupted... Sometimes, I can't able to get into BIOS setup, as there is no option seen in the screen to enter by pressing DEL (I have a Gigabyte MB).. After couple of restarts, my MB showing me as normal that (Press DEL to enter setup).. help... :(
 

My Computer

Computer Manufacturer/Model Number
Assembled
OS
Windows 7 Ultimate 64-bit SP1
CPU
AMD Athlon II X2 260 @ 3.2 Ghz
Motherboard
Gigabyte Technology Co., Ltd. M68MT-S2 (Socket M2)
Memory
Kingston 8.0GB Dual-Channel DDR3 @ 669MHz (9-9-9-24)
Graphics Card(s)
ASUS EAH 5450 - 1 GB
Sound Card
Realtek HD Audio
Monitor(s) Displays
23 Inch - DELL SP2309W
Screen Resolution
2048 x 1152
Hard Drives
488GB Seagate ST3500418AS ATA Device (SATA)
PSU
450W
Case
Iball - Standard Form - i8190
Cooling
Stock Cooling
Keyboard
Logitech
Mouse
Logitech
Internet Speed
1 MB/Sec
Other Info
Creative Inspire 2.1 Speakers, LITEON 24x DVD Writer
You may be able to do it through the BIOS or by using a jumper.

But a sure-fire way to clear CMOS is to remove your PC's battery.

Turn the PC off and look for the battery.

The battery is mounted on the motherboard and looks like a coin. You can pry it out.

Leave it out for a half hour and then put it back in.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Ignatz Special; 4 speed manual gearbox; factory air conditioning; one of one
OS
Windows 7 Home Premium SP1, 64-bit
CPU
Intel Skylake i5-6600K, not overclocked
Motherboard
AsRock Z170M Extreme 4, micro ATX
Memory
8 GB HyperX DDR4-2666 (2 x 4 GB)
Graphics Card(s)
none; graphics are integrated on CPU
Sound Card
onboard: Realtek ALC1150; external: USB Behringer UF0-202
Monitor(s) Displays
Dell S2340M 23 inch IPS
Screen Resolution
1600 x 900
Hard Drives
System: Crucial MX100 series SSD, 128 GB;
Data: Samsung Spinpoint 103SJ, 1 TB;
Backup: WD Caviar Green WD30EZRX-00D8PB0, 3 TB
PSU
Rosewill SilentNight 500 watt fanless, semi-modular
Case
Antec Solo II
Cooling
Noctua NH-U12S; Noctua F12 intake, Noctua S12A exhaust
Keyboard
Microsoft 200 6JH-00001 USB
Mouse
Dell or Microsoft optical wired; USB
Antivirus
Microsoft Security Essentials and Malwarebytes Premium
Browser
Pale Moon
Other Info
All fans PWM; speeds at idle: CPU circa 500 rpm; intake circa 600 rpm; exhaust circa 600 rpm; CPU temps 27 idle and 47 C load in a warm room (27 C/81 F) when running Intel Extreme Tuning Utility stress test.

My Computer

Computer Manufacturer/Model Number
Assembled
OS
Windows 7 Ultimate 64-bit SP1
CPU
AMD Athlon II X2 260 @ 3.2 Ghz
Motherboard
Gigabyte Technology Co., Ltd. M68MT-S2 (Socket M2)
Memory
Kingston 8.0GB Dual-Channel DDR3 @ 669MHz (9-9-9-24)
Graphics Card(s)
ASUS EAH 5450 - 1 GB
Sound Card
Realtek HD Audio
Monitor(s) Displays
23 Inch - DELL SP2309W
Screen Resolution
2048 x 1152
Hard Drives
488GB Seagate ST3500418AS ATA Device (SATA)
PSU
450W
Case
Iball - Standard Form - i8190
Cooling
Stock Cooling
Keyboard
Logitech
Mouse
Logitech
Internet Speed
1 MB/Sec
Other Info
Creative Inspire 2.1 Speakers, LITEON 24x DVD Writer
is this same or will it reset CMOS by resetting Qflash in gigabyte MB ?
 

My Computer

Computer Manufacturer/Model Number
Assembled
OS
Windows 7 Ultimate 64-bit SP1
CPU
AMD Athlon II X2 260 @ 3.2 Ghz
Motherboard
Gigabyte Technology Co., Ltd. M68MT-S2 (Socket M2)
Memory
Kingston 8.0GB Dual-Channel DDR3 @ 669MHz (9-9-9-24)
Graphics Card(s)
ASUS EAH 5450 - 1 GB
Sound Card
Realtek HD Audio
Monitor(s) Displays
23 Inch - DELL SP2309W
Screen Resolution
2048 x 1152
Hard Drives
488GB Seagate ST3500418AS ATA Device (SATA)
PSU
450W
Case
Iball - Standard Form - i8190
Cooling
Stock Cooling
Keyboard
Logitech
Mouse
Logitech
Internet Speed
1 MB/Sec
Other Info
Creative Inspire 2.1 Speakers, LITEON 24x DVD Writer
You may be able to do it through the BIOS or by using a jumper.

But a sure-fire way to clear CMOS is to remove your PC's battery.

Turn the PC off and look for the battery.

The battery is mounted on the motherboard and looks like a coin. You can pry it out.

Leave it out for a half hour and then put it back in.

A half hour ????? A half hour ???? 10 seconds is all it needs.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Skylake Special #666
OS
Windows 10 Pro x64
CPU
Intel Core i7 6700K
Motherboard
Asus Sabertooth Z170 Mark 1
Memory
GSkill TridentZ RGB 16GB 3600 16-16-16-36
Graphics Card(s)
EVGA GTX 980 Ti SC x2
Sound Card
Realtek High Definition
Monitor(s) Displays
AOC G2460PG
Screen Resolution
1920 x 1080 144Hz
Hard Drives
Samsung 860 Pro 256GB, Seagate Barracuda 4TB x2
PSU
EVGA 1000 P2, EVGA White Custom Braided Cables
Case
Corsair Vengeance C70 Gunmetal Black
Cooling
Corsair H100i v2, Corsair ML120 x2, Thermal Grizzly Kryonaut
Keyboard
Logitech G910 Orion Spectrum
Mouse
Logitech G700s
Internet Speed
Verizon Fios Quantum Gateway 75/75
Antivirus
Windows Defender, Malwarebytes Free 3.8.3
Browser
Chrome
Other Info
Corsair SP120 x4, LG Blu-ray Drive, Durabrand HT-395 100 Watt Dolby Digital Amp, Corsair H2100 Wireless 7.1 Headset
You may be able to do it through the BIOS or by using a jumper.

Wud u plz advice me to do it with Jumper ?

On the motherboard, usually near the cmos battery ( looks like a nickle ) there are 3 jumper pins. Two of them are connected by a small plastic cap. Move the cap to cover the other 2 jumper pins for 10 -12 seconds. Then put it back where it was. Reboot the computer and go back into the BIOS. You will have to reset the date and maybe a few other settings.

Some new boards such as my XFX board let you push a button on the input plate.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Skylake Special #666
OS
Windows 10 Pro x64
CPU
Intel Core i7 6700K
Motherboard
Asus Sabertooth Z170 Mark 1
Memory
GSkill TridentZ RGB 16GB 3600 16-16-16-36
Graphics Card(s)
EVGA GTX 980 Ti SC x2
Sound Card
Realtek High Definition
Monitor(s) Displays
AOC G2460PG
Screen Resolution
1920 x 1080 144Hz
Hard Drives
Samsung 860 Pro 256GB, Seagate Barracuda 4TB x2
PSU
EVGA 1000 P2, EVGA White Custom Braided Cables
Case
Corsair Vengeance C70 Gunmetal Black
Cooling
Corsair H100i v2, Corsair ML120 x2, Thermal Grizzly Kryonaut
Keyboard
Logitech G910 Orion Spectrum
Mouse
Logitech G700s
Internet Speed
Verizon Fios Quantum Gateway 75/75
Antivirus
Windows Defender, Malwarebytes Free 3.8.3
Browser
Chrome
Other Info
Corsair SP120 x4, LG Blu-ray Drive, Durabrand HT-395 100 Watt Dolby Digital Amp, Corsair H2100 Wireless 7.1 Headset
I would replace the battery with a new one when you take it out, they are not expensive and you can but them anywhere they sell batteries for earphones etc.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Self Built Custom Computer.
OS
Windows 10 Pro x64
CPU
i7-4770K
Motherboard
Asus Z87 Sabertooth
Memory
16Gig DDR3-2400
Graphics Card(s)
Gigabyte GT740
Sound Card
Onboard
Monitor(s) Displays
Benq 27" - Dell 23' - Benq 22"
Screen Resolution
1680x1050
Hard Drives
Samsung 840 Pro 128g SSD
1xWestern Digital Caviar Green 1tb
2xWestern Digital Caviar Green 2 tb
PSU
Seasonic 760 watt Platinum
Case
Coolermaster Haf - X
Cooling
Noctua NH-C12P CPU Cooler
Keyboard
Logitech illuminated keyboard
Mouse
Logitech Perfomance MX
Internet Speed
Cable = speeds to 20Mbps downsteam and 512kbps upsteam
Antivirus
Avast Internet Security
Browser
Firefox
  • Like
Reactions: NRT
You may be able to do it through the BIOS or by using a jumper.

Wud u plz advice me to do it with Jumper ?

On the motherboard, usually near the cmos battery ( looks like a nickle ) there are 3 jumper pins. Two of them are connected by a small plastic cap. Move the cap to cover the other 2 jumper pins for 10 -12 seconds. Then put it back where it was. Reboot the computer and go back into the BIOS. You will have to reset the date and maybe a few other settings.

Some new boards such as my XFX board let you push a button on the input plate.


mm.... I've looked there and my MB doesn't have jumper caps, there are only two pins cud be seen... :confused:
 

My Computer

Computer Manufacturer/Model Number
Assembled
OS
Windows 7 Ultimate 64-bit SP1
CPU
AMD Athlon II X2 260 @ 3.2 Ghz
Motherboard
Gigabyte Technology Co., Ltd. M68MT-S2 (Socket M2)
Memory
Kingston 8.0GB Dual-Channel DDR3 @ 669MHz (9-9-9-24)
Graphics Card(s)
ASUS EAH 5450 - 1 GB
Sound Card
Realtek HD Audio
Monitor(s) Displays
23 Inch - DELL SP2309W
Screen Resolution
2048 x 1152
Hard Drives
488GB Seagate ST3500418AS ATA Device (SATA)
PSU
450W
Case
Iball - Standard Form - i8190
Cooling
Stock Cooling
Keyboard
Logitech
Mouse
Logitech
Internet Speed
1 MB/Sec
Other Info
Creative Inspire 2.1 Speakers, LITEON 24x DVD Writer
I have a Gigabyte MB and there are only 2 pins, and no jumper cap.
I use a screwdriver to clear cmos.

Assuming your MB is the one listed in your specs yours works the same way as mine.

Here is link to your MB manual:
GIGABYTE - Motherboard - Socket AM3 - GA-M68MT-S2 (rev. 1.3)

this is from the manual:

10) CLR_CMOS (Clearing CMOS Jumper)
Use this jumper to clear the CMOS values (e.g.date information and BIOS configurations) and reset
the CMOS values to factory defaults. To clear the CMOS values, place a jumper cap on the two pins to temporarily short the two pins or use a metal object like a screwdriver to touch the two pins for a few seconds.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
home built
OS
Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64 +Linux_VMs +Chromium_VM
CPU
AMD Athlon II x4 620
Motherboard
Gigabyte GA-MA785G-UD3H
Memory
6GB GSkill DDR2 800
Graphics Card(s)
AMD 4670 GPU + AMD 4200 IGP
Sound Card
on board Realtek ALC889A
Monitor(s) Displays
RCA 40" LCD TV, Insignia 32" LCD TV, HP 15" LCD monitor
Screen Resolution
1680 x 1050
Hard Drives
OCZ Vertex 3 120GB,
Samsung F3 1TB (3),
Several others - WD, Seagate, Hitachi, ...
PSU
Corsair 500 W
Case
Rosewill mid tower
Cooling
CM 90mm rifle
Keyboard
Gyration wireless, Logitech wireless, Dell USB wired
Mouse
Gyration wireless, Logitech wireless, V7 USB wired
Internet Speed
Spectrum - 100Mbps D / 10Mbps U
Antivirus
Avast, MBAM3, EMET, WinPatrol
Browser
Pale Moon, Firefox, IE
Other Info
2 multi-boot PC's
Mainly HTPC/Office/Gen purpose (no gaming).
Trendnet USB KVM.
LG DVD burner/Blue Ray Player.
Tray system for removable SATA backup drives.

Not currently OCd, under-volted.
I use Hybrid sleep, rarely re-boot or shutdown.

Hauppauge HD-PVR, Avermedia PCIe TV Tuner, Hauppauge PCI TV Tuner.
  • Like
Reactions: NRT
I have a Gigabyte MB and there are only 2 pins, and no jumper cap.
I use a screwdriver to clear cmos.

Assuming your MB is the one listed in your specs yours works the same way as mine.

Here is link to your MB manual:
GIGABYTE - Motherboard - Socket AM3 - GA-M68MT-S2 (rev. 1.3)

this is from the manual:

10) CLR_CMOS (Clearing CMOS Jumper)
Use this jumper to clear the CMOS values (e.g.date information and BIOS configurations) and reset
the CMOS values to factory defaults. To clear the CMOS values, place a jumper cap on the two pins to temporarily short the two pins or use a metal object like a screwdriver to touch the two pins for a few seconds.


Oh.. Thanks... thats a great idea.. lemme do that... cheers... :)
 

My Computer

Computer Manufacturer/Model Number
Assembled
OS
Windows 7 Ultimate 64-bit SP1
CPU
AMD Athlon II X2 260 @ 3.2 Ghz
Motherboard
Gigabyte Technology Co., Ltd. M68MT-S2 (Socket M2)
Memory
Kingston 8.0GB Dual-Channel DDR3 @ 669MHz (9-9-9-24)
Graphics Card(s)
ASUS EAH 5450 - 1 GB
Sound Card
Realtek HD Audio
Monitor(s) Displays
23 Inch - DELL SP2309W
Screen Resolution
2048 x 1152
Hard Drives
488GB Seagate ST3500418AS ATA Device (SATA)
PSU
450W
Case
Iball - Standard Form - i8190
Cooling
Stock Cooling
Keyboard
Logitech
Mouse
Logitech
Internet Speed
1 MB/Sec
Other Info
Creative Inspire 2.1 Speakers, LITEON 24x DVD Writer
Thanks to all for helping me... :)
 

My Computer

Computer Manufacturer/Model Number
Assembled
OS
Windows 7 Ultimate 64-bit SP1
CPU
AMD Athlon II X2 260 @ 3.2 Ghz
Motherboard
Gigabyte Technology Co., Ltd. M68MT-S2 (Socket M2)
Memory
Kingston 8.0GB Dual-Channel DDR3 @ 669MHz (9-9-9-24)
Graphics Card(s)
ASUS EAH 5450 - 1 GB
Sound Card
Realtek HD Audio
Monitor(s) Displays
23 Inch - DELL SP2309W
Screen Resolution
2048 x 1152
Hard Drives
488GB Seagate ST3500418AS ATA Device (SATA)
PSU
450W
Case
Iball - Standard Form - i8190
Cooling
Stock Cooling
Keyboard
Logitech
Mouse
Logitech
Internet Speed
1 MB/Sec
Other Info
Creative Inspire 2.1 Speakers, LITEON 24x DVD Writer
Back
Top