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6-3 Troubleshooting
6-3-1  Frequently Asked Questions 
To read more FAQs for your motherboard, please go to the Support & Downloads\FAQ page on GIGABYTE's 
website.
Q: Why is the light of my keyboard/optical mouse still on after the computer shuts down?A: Some motherboards provide a small amount of standby power after the computer shuts down and that's why the light is still on.
Q: How do I clear the CMOS values?A: For motherboards that have a Clear CMOS button, press this button to clear the CMOS values (before doing this, please turn off the computer and unplug the power cord). For motherboards that have a Clear CMOS jumper, refer to the instructions in Chapter 1 to short the jumper to clear the CMOS values. If your board doesn't have this jumper/button, refer to the instructions on the motherboard battery in Chapter 1. You can temporarily remove the battery from the battery holder to stop supplying power to the CMOS, which will clear the CMOS values after about one minute.
Q: Why do I still get a weak sound even though I have turned my speaker to the maximum volume?A: Make sure your speaker is equipped with an internal amplifier. If not, try a speaker with power/amplifier.
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6-3-2 Troubleshooting Procedure
If you encounter any troubles during system startup, follow the troubleshooting procedure below to solve the 
problem.
START
A
Turn  off  the  power.  Remove  all  peripherals,  connecting  cables,  and power cord etc. 
Isolate the short circuit. 
Secure the CPU cooler on the CPU. Connect the CPU cooler power cable to the motherboard.
Correctly insert the memory into the memory socket.
(Continued...)
Ye s
The problem is verified and solved.
The problem is verified and solved.
The problem is verified and solved.
No
No
No
Ye s
Ye s
Insert the graphics card. Connect the ATX main power cable and the 12V power cable. Turn on the power to start the computer.
Make sure the motherboard does not short-circuit with the chassis or other metal objects.
Check if the CPU cooler is attached to the CPU securely. Is the power connector  of  the  CPU  cooler  connected  to  the  CPU_FAN  header properly?
Check if the memory is installed properly on the memory slot.
Make  sure  the  graphics  card  is  securely  seated  in  the expansion slot and power connectors are firmly attached.
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If the procedure above is unable to solve your problem, contact the place of purchase or local dealer 
for help. Or go to the Support & Downloads\Technical Support page to submit your question. Our 
customer service staff will reply you as soon as possible. 
The power supply, CPU or CPU socket might fail.
The keyboard or keyboard connector might fail.
END
A
Turn  off  the  computer.  Plug  in  the  keyboard  and  mouse  and  restart the computer.
The graphics card,  expansion slot, or monitor might fail.
The hard drive, connector, or cable might fail.
No
The problem is verified and solved.
The problem is verified and solved.
The problem is verified and solved.
No
No
Ye s
Ye s
Ye s
Reinstall  the  operating  system.  Reinstall  other  devices  one  by  one (install one device at one time and then boot the system to see if the device works successfully).
Press  to enter BIOS Setup. Select "Load Optimized Defaults." Select "Save & Exit Setup" to save changes and exit BIOS Setup. 
Check if there is display on your monitor.
When the computer is turned on, is the CPU cooler running?
Check if the keyboard is working properly.
No
The problem is verified and solved.Ye s
Turn off the computer and connect the hard drive(s). Check if the system can boot successfully.
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6-4 Debug LED Codes
CodeDescription
10PEI Core is started. 
11Pre-memory CPU initialization is started.
12~14Reserved.
15Pre-memory North-Bridge initialization is started.
16~18Reserved.
19 Pre-memory South-Bridge initialization is started.
1A~2AReserved.
2B~2FMemory initialization.
31Memory installed.
32~36CPU PEI initialization.
37~3AIOH PEI initialization.
3B~3EPCH PEI initialization.
3F~4FReserved.
60DXE Core is started.
61NVRAM initialization.
62Installation of the PCH runtime services.
63~67CPU DXE initialization is started.
68PCI host bridge initialization is started.
69IOH DXE initialization.
6AIOH SMM initialization.
6B~6FReserved.
70PCH DXE initialization.
71PCH SMM initialization.
72PCH devices initialization.
73~77PCH DXE initialization (PCH module specific).
78ACPI Core initialization.
79CSM initialization is started.
7A~7FReserved for AMI use.
80~8FReserved for OEM use (OEM DXE initialization codes).
90Phase transfer to BDS (Boot Device Selection) from DXE.
91Issue event to connect drivers.
Regular Boot
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CodeDescription
92PCI Bus initialization is started.
93PCI Bus hot plug initialization.
94PCI Bus enumeration for detecting how many resources are requested.
95Check PCI device requested resources.
96Assign PCI device resources.
97 Console Output devices connect (ex. Monitor is lighted).
98Console input devices connect (ex. PS2/USB keyboard/mouse are activated).
99Super IO initialization.
9AUSB initialization is started.
9BIssue reset during USB initialization process.
9CDetect and install all currently connected USB devices. 
9DActivated all currently connected USB devices.
9E~9FReserved.
A0IDE initialization is started.
A1Issue reset during IDE initialization process.
A2Detect and install all currently connected IDE devices.
A3Activated all currently connected IDE devices.
A4SCSI initialization is started.
A5Issue reset during SCSI initialization process.
A6Detect and install all currently connected SCSI devices.
A7Activated all currently connected SCSI devices.
A8Verify password if needed.
A9BIOS Setup is started.
AAReserved.
ABWait user command in BIOS Setup.
ACReserved.
ADIssue Ready To Boot event for OS Boot.
AEBoot to Legacy OS.
AFExit Boot Services.
B0Runtime AP installation begins.
B1Runtime AP installation ends.
B2Legacy Option ROM initialization.
B3System reset if needed.
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CodeDescription
B4USB device hot plug-in.
B5PCI device hot plug.
B6Clean-up of NVRAM.
B7Reconfigure NVRAM settings.
B8~BFReserved.
C0~CFReserved.
CodeDescription
E0S3 Resume is stared (called from DXE IPL).
E1Fill boot script data for S3 resume.
E2Initializes VGA for S3 resume.
E3OS S3 wake vector call.
S3 Resume
CodeDescription
F0Recovery mode will be triggered due to invaild firmware volume detection.
F1Recovery mode will be triggered by user decision.
F2Recovery is started.
F3Recovery firmware image is found.
F4Recovery firmware image is loaded.
F5~F7Reserved for future AMI progress codes.
Recovery
CodeDescription
50~55Memory initialization error occurs.
56Invalid CPU type or speed.
57CPU mismatch.
58CPU self test failed or possible CPU cache error.
59CPU micro-code is not found or micro-code update is failed.
5AInternal CPU error.
5BReset PPI is failed.
5C~5FReserved.
D0CPU initialization error.
D1IOH initialization error.
Error
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CodeDescription
D2PCH initialization error.
D3Some of the Architectural Protocols are not available.
D4PCI resource allocation error. Out of Resources.
D5No Space for Legacy Option ROM initialization.
D6No Console Output Devices are found.
D7No Console Input Devices are found.
D8It is an invaild password.
D9~DACan't load Boot Option.
DBFlash update is failed.
DCReset protocol is failed.
DE~DFReserved.
E8S3 resume is failed.
E9S3 Resume PPI is not found.
EAS3 Resume Boot Script is invaild.
EBS3 OS Wake call is failed.
EC~EFReserved.
F8Recovery PPI is invaild.
F9Recovery capsule is not found.
FAInvalid recovery capsule.
FB~FFReserved.
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Regulatory Statements
Regulatory NoticesThis document must not be copied without our written permission, and the contents there of must not be imparted to a third party nor be used for any unauthorized purpose. Contravention will be prosecuted. We believe that the information contained herein was accurate in all respects at the time of printing. GIGABYTE cannot, however, assume any responsibility for errors or omissions in this text. Also note that the information in this document is subject to change without notice and should not be construed as a commitment by GIGABYTE.
Our Commitment to Preserving the EnvironmentIn  addition  to  high-efficiency  performance,  all  GIGABYTE  motherboards  fulfill  European  Union  regulations for  RoHS  (Restriction  of  Certain  Hazardous  Substances  in  Electrical  and  Electronic  Equipment)  and  WEEE (Waste Electrical and Electronic Equipment) environmental directives, as well as most major worldwide safety requirements. To prevent releases of harmful substances into the environment and to maximize the use of our natural resources, GIGABYTE provides the following information on how you can responsibly recycle or reuse most of the materials in your "end of life" product.
Restriction of Hazardous Substances (RoHS) Directive StatementGIGABYTE products have not intended to add and safe from hazardous substances (Cd, Pb, Hg, Cr+6, PBDE and  PBB).  The  parts  and  components  have  been  carefully  selected  to  meet  RoHS  requirement.  Moreover, we at  GIGABYTE  are  continuing  our  efforts  to  develop  products  that  do  not  use  internationally  banned  toxic chemicals.
Waste Electrical & Electronic Equipment (WEEE) Directive StatementGIGABYTE will fulfill the national laws as interpreted from the 2002/96/EC WEEE (Waste Electrical and Electronic Equipment) directive. The WEEE Directive specifies the treatment, collection, recycling and disposal of electric and electronic devices and their components. Under the Directive, used equipment must be marked, collected separately, and disposed of properly.
WEEE Symbol StatementThe symbol shown below is on the product or on its packaging, which indicates that this product must not be disposed of with other waste. Instead, the device should be taken to the waste collection centers for activation of the treatment, collection, recycling and disposal procedure. The separate collection and recycling of your waste equipment at the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment. For more information about where you can drop off your waste equipment for recycling, please contact your local government office, your household waste disposal service or where you purchased the product for details of environmentally safe recycling. ŠWhen your electrical or electronic equipment is no longer useful to you, "take it back" to your local or regional waste collection administration for recycling. ŠIf you need further assistance in recycling, reusing in your "end of life" product, you may contact us at the Customer  Care  number  listed  in  your  product's  user's  manual  and  we  will  be  glad  to  help  you  with  your effort.
Finally,  we  suggest  that  you  practice  other  environmentally  friendly  actions  by  understanding  and  using  the energy-saving features of this product (where applicable), recycling the inner and outer packaging (including shipping  containers)  this  product  was  delivered  in,  and  by  disposing  of  or  recycling  used  batteries  properly. With  your  help,  we  can  reduce  the  amount  of  natural  resources  needed  to  produce  electrical  and  electronic equipment,  minimize  the  use  of  landfills  for  the  disposal  of  "end  of  life"  products,  and  generally  improve  our quality of life by ensuring that potentially hazardous substances are not released into the environment and are disposed of properly.
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Contact Us
 •GIGA-BYTE TECHNOLOGY CO., LTD.Address: No.6, Bao Chiang Road, Hsin-Tien Dist.,
New Taipei City 231,TaiwanTEL: +886-2-8912-4000FAX: +886-2-8912-4005Tech. and Non-Tech. Support (Sales/Marketing) :http://ggts.gigabyte.com.twWEB address (English): http://www.gigabyte.comWEB address (Chinese): http://www.gigabyte.tw •G.B.T. INC. - U.S.A.TEL: +1-626-854-9338FAX: +1-626-854-9326Tech. Support: http://ggts.gigabyte.com.twWarranty Info: http://rma.gigabyte.usWeb address: http://www.gigabyte.us •G.B.T. INC (USA) - MexicoTel: +1-626-854-9338 x 215 (Soporte de habla hispano)FAX: +1-626-854-9326Correo: [email protected]. Support: http://rma.gigabyte.usWeb address: http://latam.giga-byte.com •Giga-Byte SINGAPORE PTE. LTD. - SingaporeWEB address : http://www.gigabyte.sg •ThailandWEB address : http://th.giga-byte.com •VietnamWEB address : http://www.gigabyte.vn
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ShanghaiTEL: +86-21-63410999FAX: +86-21-63410100BeijingTEL: +86-10-62102838FAX: +86-10-62102848WuhanTEL: +86-27-87851061FAX: +86-27-87851330GuangZhouTEL: +86-20-87540700FAX: +86-20-87544306ChengduTEL: +86-28-85236930FAX: +86-28-85256822 XianTEL: +86-29-85531943FAX: +86-29-85510930ShenyangTEL: +86-24-83992901FAX: +86-24-83992909 •GIGABYTE TECHNOLOGY (INDIA) LIMITED - IndiaWEB address : http://www.gigabyte.in •Saudi ArabiaWEB address : http://www.gigabyte.com.sa •Gigabyte Technology Pty. Ltd. - AustraliaWEB address : http://www.gigabyte.com.au 
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 •GIGABYTE Global Service System
To submit a technical or non-technical (Sales/Marketing) 
question, please link to:
http://ggts.gigabyte.com.tw
Then select your language to enter the system.
 •G.B.T. TECHNOLOGY TRADING GMBH - GermanyWEB address : http://www.gigabyte.de
 •G.B.T. TECH. CO., LTD. - U.K.WEB address : http://www.giga-byte.co.uk •Giga-Byte Technology B.V. - The NetherlandsWEB address : http://www.giga-byte.nl •GIGABYTE TECHNOLOGY FRANCE - FranceWEB address : http://www.gigabyte.fr •SwedenWEB address : http://www.gigabyte.se •ItalyWEB address : http://www.giga-byte.it •SpainWEB address : http://www.giga-byte.es •GreeceWEB address : http://www.gigabyte.com.gr •Czech RepublicWEB address : http://www.gigabyte.cz
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You may go to the GIGABYTE website, select your language in the language list on the top right corner of the website.
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