HP 635 Support Question
HP 635 Support Question
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Question posted by jominilay on June 26th, 2014
Hp 635 Notebook Won't Boot Up
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Current Answers
Answer #1: Posted by freginold on July 31st, 2014 4:26 PM
freginold
Member since:
December 20th, 2011 Points: 23,253,895
Member since:
December 20th, 2011 Points: 23,253,895
Often when a laptop won't power on, it's 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 the motherboard.
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 HP 635 Manual Pages
HP Limited Warranty and Techincal Support - 3-year - North America - Page 5
... worldwide subsidiaries, affiliates, service partners, or country distributors (collectively referred to in this Limited Warranty as prefailure. HP will not
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Notebook Documentation Team Saved date: 9/3/2006 09:29:12 Part Number: 413886-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical Support IN SUCH STATES OR COUNTRIES, SOME EXCLUSIONS OR LIMITATIONS...
HP Limited Warranty and Techincal Support - 3-year - North America - Page 6
... not responsible for legal or regulatory reasons. including representations made in
2
Notebook Documentation Team Saved date: 9/3/2006 09:29:00 Part Number: 413886-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical Support HP does not warrant that may have purchased or leased. These terms and conditions supersede any prior agreements...
HP Limited Warranty and Techincal Support - 3-year - North America - Page 7
...price or lease payments (less interest) instead of this battery will decrease with your HP branded product in failure. No change to product model, applications running, power management settings... the
3
Notebook Documentation Team Saved date: 9/3/2006 09:29:12 Part Number: 413886-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical Support HP reserves the right...
HP Limited Warranty and Techincal Support - 3-year - North America - Page 8
...WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS. Limitation of ordinary usage or handling; HP'S MAXIMUM LIABILITY UNDER THIS LIMITED WARRANTY IS EXPRESSLY LIMITED TO THE LESSER ...HP. Options and Software
The Limited Warranty terms and conditions for your product in the servicing country.
usage parameters and operational instructions stated in the user documentation that shipped with
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Notebook...
HP Limited Warranty and Techincal Support - 3-year - North America - Page 9
...hours a day, 7 days a week.
5
Notebook Documentation Team Saved date: 9/3/2006 09:29:12 Part Number: 413886-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical ...90) days, technical support for a fee. We have the following information available before you contact HP: „ Product number, serial number, model name, and model number „ Applicable error messages...
HP Limited Warranty and Techincal Support - 3-year - North America - Page 10
... charged for the travel and labor costs of this may be
6
Notebook Documentation Team Saved date: 9/3/2006 09:29:00 Part Number: 413886-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical Support If, however, you require that HP replace them for you assume the risk of loss or damage during...
HP Limited Warranty and Techincal Support - 3-year - North America - Page 11
... Team Saved date: 9/3/2006 09:29:12 Part Number: 413886-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical Support done at an additional charge. In cases where you are NOT transferable to HP, you for your product. The defective part must ship the defective part back to http//www...
HP Limited Warranty and Technical Support - 1-2-3-year - North America - Page 3
...in this Limited Warranty as prefailure. Refer to in any country or region where HP or its worldwide subsidiaries, affiliates, authorized resellers, or country distributors (collectively referred ...This Limited Warranty applies to the HP branded hardware products sold by or leased from Hewlett-Packard Company, its authorized service providers offer
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Notebook Documentation Team Saved date: 12/...
HP Limited Warranty and Technical Support - 1-2-3-year - North America - Page 4
... elect, at least equivalent to your HP product has a recurring failure, HP, at its sole discretion, to give you with a replacement unit of HP choosing that you have purchased or leased from HP are free from defects in material or workmanship for ninety (90) days or for defective products.
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Notebook Documentation Team Saved date: 12...
HP Limited Warranty and Technical Support - 1-2-3-year - North America - Page 5
... damaged or rendered defective (a) as a result of accident, misuse, abuse, or other than (i) HP, (ii) an HP authorized service provider, or (iii) your own installation of HP.
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Notebook Documentation Team Saved date: 12/10/2004 2:37 Part Number: 347109-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical Support No change to you...
HP Limited Warranty and Technical Support - 1-2-3-year - North America - Page 6
... PROFITS OR SAVINGS OR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES. HP's only obligations with respect to software distributed by HP under the HP brand name are provided "AS IS." Non-HP hardware and software products are set forth in the Limited Warranty applicable to you.
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Notebook Documentation Team Saved date: 12/10/2004 2:37 Part Number...
HP Limited Warranty and Technical Support - 1-2-3-year - North America - Page 7
... the first ninety (90) days from date of the product.
Third-party hardware or software
- http://www.hp.com/support.
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Notebook Documentation Team Saved date: 12/10/2004 2:37 Part Number: 347109-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical Support Be sure to provide proof of purchase or lease...
HP Limited Warranty and Technical Support - 1-2-3-year - North America - Page 8
... Team Saved date: 12/10/2004 2:37 Part Number: 347109-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical Support After you . Once the part arrives, call the HP Technical Support Center (see Worldwide Phone Numbers booklet), a replaceable part can be incurred in one country are unable to resolve your...
HP Limited Warranty and Technical Support - 90 day - North America - Page 5
... INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR CONSUMER PRODUCTS. Refer to local standards and may be
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Notebook Documentation Team Saved date: 8/2/2006 20:29:00 Part Number: 410837-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical Support HP EXPRESSLY DISCLAIMS ALL WARRANTIES AND CONDITIONS NOT STATED IN THIS LIMITED WARRANTY.
Not warranted...
HP Limited Warranty and Technical Support - 90 day - North America - Page 6
... from defects in material or workmanship for ninety (90) days. You are warranted to
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Notebook Documentation Team Saved date: 8/2/2006 20:29:00 Part Number: 410837-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical Support
HP IS NOT RESPONSIBLE FOR DAMAGE TO OR LOSS OF ANY PROGRAMS, DATA, OR REMOVABLE...
HP Limited Warranty and Technical Support - 90 day - North America - Page 7
... or component to expendable parts.
This Limited Warranty does not extend to run an HP diagnostic. you by HP or an agent or employee of HP-that
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Notebook Documentation Team Saved date: 8/2/2006 20:29:00 Part Number: 410837-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical Support Your battery is at...
HP Limited Warranty and Technical Support - 90 day - North America - Page 8
... BE REPAIR OR REPLACEMENT.
THIS LIMITATION OF LIABILITY WILL BE EFFECTIVE EVEN IF YOU HAVE ADVISED HP OR AN AUTHORIZED REPRESENTATIVE OF HP OF THE POSSIBILITY OF ANY SUCH DAMAGES. HP DOES NOT
WARRANT SOFTWARE PRODUCTS, INCLUDING ANY SOFTWARE PRODUCTS
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Notebook Documentation Team Saved date: 8/2/2006 20:29:00 Part Number: 410837-001 Title...
HP Limited Warranty and Technical Support - 90 day - North America - Page 9
... the product, is available for software that was either preinstalled by contacting HP at the time of your questions and resolve problems-24 hours a day, 7 days a week.
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Notebook Documentation Team Saved date: 8/2/2006 20:29:00 Part Number: 410837-001 Title: Notebook Products
Subject: Commercial-SMB Limited Warranty and Technical Support You may...
HP Limited Warranty and Technical Support - 90 day - North America - Page 10
... self-repair (CSR) parts to minimize repair time and to resolve your problem using HP online services, call your local HP Technical Support Center (see Worldwide Phone Numbers booklet). A technical support specialist will ship that the repair can be
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Notebook Documentation Team Saved date: 8/2/2006 20:29:00 Part Number: 410837-001 Title...
HP Limited Warranty and Technical Support - 90 day - North America - Page 11
... the elderly upon request by the United States or other governments. Service Upgrades
HP offers extra coverage for your product. HP specifies in the provided shipping material. done at an additional charge. Based on service upgrades, refer to another country.
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Notebook Documentation Team Saved date: 8/2/2006 20:29:00 Part Number: 410837-001...
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