Lenovo B490 Support Question
Lenovo B490 Support Question
Find answers below for this question about Lenovo B490.Need a Lenovo B490 manual? We have 1 online manual for this item!
Question posted by PALANIVIGNESH96 on May 8th, 2017
How Many Ram Solt Is There In Lenovo B490
how many ram solt is there in lenovo b490
Current Answers
Answer #1: Posted by TheWiz on May 8th, 2017 5:57 AM
TheWiz
Member since:
October 13th, 2011 Points: 25,383,424
Member since:
October 13th, 2011 Points: 25,383,424
Some of them came with one slot and others came with two. It depends on what chipset it has. See here for more info.
Related Lenovo B490 Manual Pages
Hardware Maintenance Manual - Page 2
... "GSA" contract, use, reproduction, or disclosure is subject to read the general information under Appendix A "Notices" on page 93. First Edition (October 2012) © Copyright Lenovo 2012.
Hardware Maintenance Manual - Page 3
... settings 33 Passwords 33
Power-on password 34 Supervisor password 34 Power management 34 Screen blank mode 34 Sleep mode 34 Hibernation mode 35
Chapter 5. Lenovo B490 37
Specifications 37 Status indicators 38 Fn key combinations 39
Chapter 6. Locations 77
Front view 77 Right-side view 78 Bottom and left-side view...
Hardware Maintenance Manual - Page 5
...this manual to troubleshoot problems effectively.
• Before servicing a Lenovo product, be sure to troubleshoot problems.
The manual is intended ...this manual
This manual provides service and reference information for trained service technicians who are familiar with Lenovo products. Machine Lenovo B490
Machine type (MT) 3756, 3772, 20205, 20207
Use this manual to read all the ...
Hardware Maintenance Manual - Page 7
...personnel, while you are fastened or rolled up with labels or stickers.
© Copyright Lenovo 2012
1 Do not obstruct fan louvers or cover them with your back. Chapter 1. Distribute...or by pushing up above your eyes. • After service, reinstall all covers correctly before you service a Lenovo Notebook. • "General safety" on page 1 • "Electrical safety" on page 2 •...
Hardware Maintenance Manual - Page 9
... technicians from injury. Insulation must determine how serious the apparent hazard could be the type specified in identifying potentially unsafe conditions. Check for any non-Lenovo alterations. 7. Notes: 1. Switch off the computer. Chapter 1. do not become a victim yourself. - Begin the checks with .
Check exterior covers for : a. Check the power cord for...
Hardware Maintenance Manual - Page 33
... fixes, drivers, and BIOS downloads are installed before you are available at http://www.lenovo.com/support. Follow the directions on page 27
- Notes: If you need to ...2.
Go to replace either
the processor board or the system board, and replacing one .
© Copyright Lenovo 2012
27
"Important notice for replacing and servicing FRUs: • If you have both a processor board...
Hardware Maintenance Manual - Page 34
... must be replaced with the same fit and function are identified by one, to meet Lenovo's requirements and schedule in Electrical and Electronic Equipment Directive (2002/95/EC) is , ...the market after the RoHS implementation date, the failed RoHS compliant parts must be implemented on Lenovo products placed on the market before the implementation date and expects its suppliers to be used ...
Hardware Maintenance Manual - Page 35
... type, model number, and serial number 8. Important notes:
• Only certified trained personnel should not be responsible for a variety of an optical drive
© Copyright Lenovo 2012
29 Date on removing and replacing FRUs. • When you are not covered under warranty and some common items that are correct by the...
Hardware Maintenance Manual - Page 36
...indicate damage caused by spilling a liquid onto the keyboard • Use of an incorrect ac power adapter on laptop products
The following : 1. Measure the output voltage at the plug of the ac power adapter cable.
3....
• If the computer does not charge during operation, go to Chapter 5 "Lenovo B490" on the computer. Remove the battery pack. 3. Disconnect the ac power adapter and ...
Hardware Maintenance Manual - Page 37
...power remaining when installed in the computer.
Press Fn+Esc to launch the Lenovo Solution Center program, and then click Battery. - On the Windows operating system, press the recovery button to... launch the Lenovo Experience program, and then click Battery Health. If the voltage is still not charged, go to...
Hardware Maintenance Manual - Page 39
..., back up from a system image - Chapter 4. Related service information
This chapter presents the following recovery programs are available for a Lenovo notebook computer: the power-on password and the supervisor password.
© Copyright Lenovo 2012
33 Product Recovery The Product Recovery program enables you can designate where the OneKey Recovery Pro program stores...
Hardware Maintenance Manual - Page 41
Hibernation mode
In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are satisfied in suspend mode. Chapter 4.
The hibernation file in either of the following conditions: • If a "hibernation time" has been ...
Hardware Maintenance Manual - Page 43
...; "Status indicators" on page 38 • "Fn key combinations" on some models for the Lenovo B490 models. Memory • Double data rate 3 (DDR3) synchronous dynamic random access memory (SDRAM)
...-click Computer; Chapter 5. LCD: 1366-by -1536 • Camera
Keyboard • 6-row Lenovo keyboard • Recovery button
Interface • Combo audio jack (stereo headphone or headset) •...
Hardware Maintenance Manual - Page 45
.... Note: You also can use the Windows+P combination to switch between 20% and 80%, and charging is between the computer display and an external monitor. Lenovo B490 39
To disable the feature, press Fn+F2. Has the same function as the Pause key on a conventional keyboard. Table 1. Enables or disables the numeric...
Hardware Maintenance Manual - Page 47
... that a Service Provider install the CRU according to return the defective CRU. In the Lenovo notebook computer, this manual can cause a reliability problem. FRU replacement notices
This chapter presents...yourself, called a "Customer Replaceable Unit" or "CRU". Follow the on installing the CRU, Lenovo will be included with a replacement part you might be found at any FRU. and (2)...
Hardware Maintenance Manual - Page 49
..., establish personal grounding by using an electrostatic discharge (ESD) strap (P/N 6405959).
© Copyright Lenovo 2012
43 Attention: The system board is required: (1) return instructions, a prepaid shipping label, ...disconnect any FRU, review Chapter 6 "FRU replacement notices" on installing the CRU, Lenovo will be included with your product with one hand or by touching a ground point...
Hardware Maintenance Manual - Page 83
Lenovo B490 front view
1 Integrated camera (on page 38.
© Copyright Lenovo 2012
77
Locations
This chapter presents the locations of the indicators, see "Status indicators" on some ... pad buttons 7 Power and battery indicator1 8 Power button 9 Recovery button
1 For the description of the Lenovo B490 hardware components. Chapter 8. Front view
2 1 2
4 9 8
3 4
7 6
5
Figure 1.
Hardware Maintenance Manual - Page 84
... and left -side view
45 3 12
4 USB connector 5 ac power connector
1 2 3
10
4 5
8 76 9
Figure 3. Lenovo B490 right-side view 1 Combo audio jack 2 USB connector 3 Optical drive
Bottom and left -side view
1 Battery latch 2 Battery pack 3 Battery lock 4 Security keyhole 5 Fan louvers
6 ...
Hardware Maintenance Manual - Page 85
...Each FRU is not a CRU. Other self-service CRUs depending on installing the CRU, Lenovo will be found at any time upon request.
Examples of these types of CRUs:
- ...instructions, a prepaid shipping label, and a container will ship the CRU to find a list of your Lenovo Limited Warranty documentation for all types or models, unless otherwise specified.
• A CRU is identified ...
Hardware Maintenance Manual - Page 89
...102500229 N
102500228 N
102500018 N
102500017 N
102500016 N
102500015 N
102001065 N
102500230 N
102500101 N
102500133 N
102500350 N
102500301 N
102500303 N
102500362 N
102500440 N
102500433 N
102500421 N
102500435 N
90000220 N
90000979 N
LCD FRUs
In Lenovo B490 models, the type of LCD is 14-inch high definition (HD) TFT LCD (Table 4 "Parts list LCD" on page 88.)
FRU no. Parts...
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