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Toshiba"s Satellite P870-30E belongs to the premium price bracket by virtue of its price. Yes it does offer a great package when it comes to hardware – a quad core i7-3610M processor, 8 GB of RAM, a Blu Ray drive and 878 GB (750 GB HDD + 128 GB SSD) of storage space. Nvidia’s GeForce GT 630Mis the GPU of choice. But having a 17.3-inch WXGA++ display in a laptop being sold for such a lot of money is disappointing. But buyers looking to get the device should pick up the machine without the SSD which should bring down the price to 1000 Euro (~$1250).

The Satellite P875 makes a rather fragile impression for a 17-inch device. The thickness of less than 3.4 cm (~1.34 in) even undercuts some 15-inch laptops. Moreover, it weighs just over 3 kilograms (~6.6 lb.). However, its footprint (417mm x 272mm) is a bit bigger than Samsung"s 550P7C. This is due to the Toshiba notebook"s wider bezel (16 mm on the sides).

We can particularly praise the exemplary build that hardly shows weaknesses even when looked at closely. Rounded case edges and flush material transitions reinforce the high-end impression that we have come to expect from a laptop of this price range. However, the Satellite P875 cannot keep up with Asus" N76VM, but does outdo the Samsung"s 550P7C.

The Satellite P875 connects to the Internet via Intel"s Centrino Wireless-N 2230 supporting the standard IEEE 802.11 b/g/n. The low-end model unfortunately only supports connections to the 2.4 GHz band. Only the Advanced-N models support the 5 GHz band. At least the user can take advantage of gross transfer rates of up to 300 MB/s owing to dual-stream technology. However, we could only record 72 MB/s in our test (could be due to our router). The range and stability make a good impression.

A small rubber cap conceals a screw that secures the laptop"s maintenance cover. The cover can be levered away carefully after the screw has been removed. Inside, there are two 2.5-inch slots which are occupied in the P875-30E. The manufacturer provides an additional mSATA slot over the Wi-Fi module that can be equipped with another SSD.

Upgrading the working memory is just as easy. The Satellite has a total of 4 slots. However, the user can only access two of them without further disassembly (2x 4 GB internal). The memory can be upgraded to a total of 16 GB when 4 GB modules are used, and up to a maximum of 24 GB using 8 GB modules.

The Satellite P875 features a chiclet keyboard including a number pad that surprises with a few peculiarities at first. The F-functions have to be triggered by simultaneously pressing the FN key. This can be disabled in the BIOS. Various deviations in the layout like the rather short space bar need a bit of familiarization in the beginning.

The touchpad"s size does not give reason for complaint. Its dimension of approximately 11 cm x 8 cm should be enough for even big hands. The input surface is a good balance of feel (lightly textured surface) and good gliding traits, which enables above-average user experience but precise mouse control. Various multi-touch gestures and other features like the palm sensor can be customized in the Synaptics driver panel. It is a bit strange that the pad hardly responds to user inputs when the CPU is fully loaded. The cursor then only jerks across the screen. We did not observe this problem when using an external mouse.

A look at the measured contrast (210:1) and black value (1.09 cd/m2) rates confirm our guess that the AUO B173RW01 V3 screen is a generic TN display. The Satellite P875 cannot compete against the Asus N76VM. The reflective surface at least gives an impression of better picture quality than it really is.

Being a consumer device through and through, our test sample is not made for the needs of professional graphic designers or photographers. The P875 just falls short of covering the sRGB color space and clearly fails in making an impact on the AdobeRGB space. You will not notice this drawback if you occasionally view or edit vacation pictures, especially since only a small number of laptops do a much better job.

Four cores and 8 threads via Hyper Threading, a 6 MB cache and a 2.3 GHz base clock (Turbo up to 3.3 GHz) are the Core i7-3610QM"s key specs. The fast processor is one of the most popular models from the Ivy Bridge range and is built using the cutting-edge 22 nanometer process. The TDP of 45 watts is 10 watts higher than in the dual-core i3 and i5 series CPUs. However, they are not available for the Satellite P875. Detailed specifications and additional features of the 3610QM can be found in our CPU database.

Toshiba equips the Satellite with up to 16 GB of working memory depending on the configuration. Our P875-30E has to be content with "only" 8 GB (2x 4 GB DDR3-1600), which will satisfy most users. Moreover, the device sports a conventional 750 GB hard disk as well as a fast 128 GB SSD. However, the latter is only installed in specific models.

The P875 finishes our CPU benchmarks without irregularities and achieves the performance rates expected from such a hardware configuration. This is by no means a matter of course since not every modern laptop is able to remain free from throttling on battery power and exploit the maximum Turbo Boost capacity completely. We accomplished 6.2 points in Cinebench R11.5 (64bit) multi-thread test and 1.38 points in the single-thread benchmark which are excellent scores for the i7-3610QM. No matter whether sophisticated video editing or the latest game, the user will not be able to complain about the processor"s lack of power at any time.

Both Asus" N76VM and Samsung"s 550P7C participate in our tests without an SSD, so it should be easy for Toshiba to outdo both contenders in the memory-heavy PCMark benchmarks. And it does so by a huge margin. With 14223 points in PCMark Vantage and 3936 points in PCMark 7, the Satellite P875 surges to the top and leaves the SSD-less competition behind with gains of 50 percent.

In view of the big price difference, tech-savvy users should consider buying a cheaper version of the P875 without the SSD and retrofitting one. This also applies to –its rivals, all 3 models offer room for a second drive, at least in principle (the 550P7C does not always include the necessary cable).

The GeForce GT 630M is an old acquaintance. The underlying GF108 chip has been installed in many multimedia laptops since 2010. Nvidia has now presented a refresh of the card scaled down to 28 nanometers (GF117 chip), but Toshiba still installs the older 40 nanometer version in its P875. Unfortunately, the manufacturer also omits the optional Turbo mode of the GeForce 600M generation and sets the core clock to 662 MHz (load). The 96 shader units clock at twice the frequency (1324 MHz) and the 2 GB DDR3 VRAM (128 bit) with 900 MHz in the Fermi card.

The new GeForce GT 650M (Kepler) model in Samsung"s 550P7C blows away the GT 630M. The Satellite also lags behind the N76VM with the same GPU due to the lack of Turbo. The advantage of Asus" notebook is roughly 15 percent (1288 to 1123 points) in 3DMark 11. The graphics card"s extreme throttling on battery power is common to both devices (3DMark 11: 319 points).

The GT 630M is frequently too low in the performance stakes to render current games in maximum details and native resolution. A resolution of 1366x768 pixels is already too much for the graphics card in Battlefield 3 and Anno 2070 forcing the user to play the game with medium if not low settings. The GeForce GT 650M in the Samsung is almost twice as fast and the better choice for gamers. The Satellite P875 also lags behind the Asus N76NV again due to the omitted GPU Turbo which limits the performance significantly in this case.

The Satellite"s fan ran constantly at idle due to the relatively high ambient temperatures during our test (approximately 25 degrees Celsius). The noise level of 32.5 dB (A) remained quite inconspicuous. However, the fan increased its speed occasionally even during light load reaching up to 34.8 dB (A) making the laptop clearly audible (from a normal seating distance).

The temperature around the vent climbs to just below 50 degrees Celsius during full load conditions. Fortunately, the wrist rest is not affected and settles to about 30 - 39 degrees Celsius. Thus, long gaming sessions are no problem. The Satellite can still be used on the lap during normal workloads. We would however advise against that during full-load conditions.

The Satellite P875 power draw is quite modest for a 17-incher with merely 8.1 to 15.6 W when idling. Samsung"s 550P7C is just as energy efficient but the Asus N76VM needs a few watts more.

The surprising thing is that the Satellite P875 almost mutates to an endurance machine when the BatteryEater Reader"s test was run recording a decent 7 hours and 10 minutes (energy saving mode, minimum brightness, wireless modules switched off). Samsung"s 550P7C lasted for just as long even though it had a bigger 57 Wh battery.

The user can also surf for over 4 hours on the Internet using the Wi-Fi. We use energy savings mode and set the screen brightness to approximately 150 cd/m2 (level 7/8) for this. It is possible to easily watch two average-length DVD movies on the Satellite.

If you are willing to invest 1200 Euro in a multimedia laptop, you will unlikely want to accept compromises. Our expectations on Toshiba"s Satellite P875-30E were high and the lavishly equipped 17 inch behemoth could mostly fulfill them.

Regrettably, the poor screen mars the overall impression. The brilliant, matt Full HD screen in the Asus N76VM would look very good in the P875 and even make the laptop suitable for outdoor use. The Satellite scores with its long battery life and low weight for a 17-inch device.

Now, the decision to whether buy Toshiba"s Satellite P875 is a matter of personal preference. It basically earns it purchase recommendation as an elegant all-round machine which is not meant for gamers who will be happy with other alternatives like the Samsung"s 550P7C.

Flat-panel displays are thin panels of glass or plastic used for electronically displaying text, images, or video. Liquid crystal displays (LCD), OLED (organic light emitting diode) and microLED displays are not quite the same; since LCD uses a liquid crystal that reacts to an electric current blocking light or allowing it to pass through the panel, whereas OLED/microLED displays consist of electroluminescent organic/inorganic materials that generate light when a current is passed through the material. LCD, OLED and microLED displays are driven using LTPS, IGZO, LTPO, and A-Si TFT transistor technologies as their backplane using ITO to supply current to the transistors and in turn to the liquid crystal or electroluminescent material. Segment and passive OLED and LCD displays do not use a backplane but use indium tin oxide (ITO), a transparent conductive material, to pass current to the electroluminescent material or liquid crystal. In LCDs, there is an even layer of liquid crystal throughout the panel whereas an OLED display has the electroluminescent material only where it is meant to light up. OLEDs, LCDs and microLEDs can be made flexible and transparent, but LCDs require a backlight because they cannot emit light on their own like OLEDs and microLEDs.

Liquid-crystal display (or LCD) is a thin, flat panel used for electronically displaying information such as text, images, and moving pictures. They are usually made of glass but they can also be made out of plastic. Some manufacturers make transparent LCD panels and special sequential color segment LCDs that have higher than usual refresh rates and an RGB backlight. The backlight is synchronized with the display so that the colors will show up as needed. The list of LCD manufacturers:

Organic light emitting diode (or OLED displays) is a thin, flat panel made of glass or plastic used for electronically displaying information such as text, images, and moving pictures. OLED panels can also take the shape of a light panel, where red, green and blue light emitting materials are stacked to create a white light panel. OLED displays can also be made transparent and/or flexible and these transparent panels are available on the market and are widely used in smartphones with under-display optical fingerprint sensors. LCD and OLED displays are available in different shapes, the most prominent of which is a circular display, which is used in smartwatches. The list of OLED display manufacturers:

MicroLED displays is an emerging flat-panel display technology consisting of arrays of microscopic LEDs forming the individual pixel elements. Like OLED, microLED offers infinite contrast ratio, but unlike OLED, microLED is immune to screen burn-in, and consumes less power while having higher light output, as it uses LEDs instead of organic electroluminescent materials, The list of MicroLED display manufacturers:

LCDs are made in a glass substrate. For OLED, the substrate can also be plastic. The size of the substrates are specified in generations, with each generation using a larger substrate. For example, a 4th generation substrate is larger in size than a 3rd generation substrate. A larger substrate allows for more panels to be cut from a single substrate, or for larger panels to be made, akin to increasing wafer sizes in the semiconductor industry.

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I have a Toshiba Satellite P205D-S7438 17" laptop. When I turn it on, I get horizontal white lines from the top of the screen to about 1/4 of the way down and the remaining 3/4 of the screen is black and blank. I read that the symptoms may be either a bad LCD Inverter or the backlight. I replaced the inverter as many said it was the easiest to do for troubleshooting... It didn"t fix the problem. Now could it be that the backlight bulb is bad or is there something else "internal" that I haven"t seen or read about that could be the problem??? I connected the laptop to an "external" monitor and it works. I can view the desktop and do whatever I want. I welcome all thoughts and opinions! Thank you!!!

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